HVAC·7 min read

Published May 12, 2026 · Last updated October 21, 2026

HVAC in Honolulu, Hawaii: 18 Top Pros Ranked (2027)

✓ MethodologyEditorial teamFree directory, no pay-to-rank

Quick answer

The top-ranked HVAC provider in Honolulu is Air Masters Inc (Honolulu), with a 4.9★ rating across 308 Google reviews and a ServiceAgent Score of 8.5/10. Also strongly rated: Air Source Air Conditioning and Standard Air, LLC. See the full ranked list and how each provider scores below.

Honolulu · HVAC
Honolulu · HVAC
★ServiceAgent · Directory

TL;DR

Ranked: 1. Air Masters Inc · 2. Air Source Air Conditioning · 3. Standard Air, LLC · 4. Kung Fu Air Service · 5. AC CLEANING HAWAII

  • 18 verified hvac businesses operate in Honolulu, Hawaii - all sourced from active Google Business Profile data.
  • Top pick: Air Masters Inc with a ServiceAgent Score of 8.5/10 (308 reviews, 4.9★ average).
  • 1 elite-tier providers (ServiceAgent Score 8.5+) and 0 owner-verified listings.
  • Typical cost in Honolulu: $150 - $4,200 - $385 median for a single-system repair, $7,400 median for a full residential replacement.
  • 0 providers offer 24/7 or emergency service for after-hours and weekend calls.
  • Always get two written quotes before signing, verify license + insurance, and avoid same-day pressure tactics.
18
verified HVAC providers in Honolulu
4.8★
median Google rating in Honolulu
1
elite-tier pros (ServiceAgent Score 8.5+)

Computed from the providers ranked on this page. Figures update with each data refresh.

At-a-glance: top 11 hvac pros in Honolulu

Compare the top picks side-by-side. Full reviews of each below.

#ProviderSA Score
#1Air Masters Inc8.5
#2Air Source Air Conditioning8.3
#3Standard Air, LLC8.2
#4Kung Fu Air Service8.0
#5AC CLEANING HAWAII8.0
#6AquaACClean7.9
#7Cosco Air Conditioning & Refrigeration7.9
#8Ultimate Air Conditioning - Hawaii7.7
#9KW Air Conditioning LLC7.6
#10Purair Hawaii7.6
#11Johnstone Supply7.6

SA Score = ServiceAgent composite (0–10). Tap a row number to jump to the full review.

How the top HVAC pros compare

The same ServiceAgent Score components that drive the ranking, scored side by side — so you can see at a glance where each provider is strongest.

The criteria we scored against

  1. 1. Trust (data & verification). Owner-verification, completeness of contact info, and review-volume credibility.
  2. 2. Recommendation (rating). The Google star rating, Bayesian-shrunk toward the category mean so a few 5-star reviews can't dominate.
  3. 3. Review depth. How many public reviews back the rating — more reviews, more reliable the signal.
  4. 4. Score confidence. How much data stands behind the composite score for this provider.
ProviderTrust (data & verification)Recommendation (rating)Review depthScore confidence
Air Masters IncStrongStrongStrongStrong
Air Source Air ConditioningModerateStrongModerateStrong
Standard Air, LLCModerateStrongStrongStrong
Kung Fu Air ServiceModerateStrongModerateStrong
AC CLEANING HAWAIIModerateStrongLimitedLimited
AquaACCleanModerateStrongModerateStrong
Cosco Air Conditioning & RefrigerationModerateStrongLimitedLimited
Ultimate Air Conditioning - HawaiiLimitedStrongLimitedLimited

How we chose these

We start from every active Google Business Profile in Honolulu tagged hvac, then score each business on two dimensions:

Trust Score (40% of the composite, 0-10) rewards owner-verified status (claimed listings get a 3-point bump), completeness of contact information (phone, website, address, hours, coordinates, photos, service categories), and review-volume credibility - a provider with 200+ reviews is treated as more trustworthy than a provider with the same star rating but only 5 reviews.

Recommendation Score (60% of the composite, 0-10) is the Google star rating shrunk toward the category mean using a Bayesian prior. Without this step, "5.0 from 2 reviews" would outrank "4.7 from 240 reviews" - which is exactly backwards. The shrinkage prior is set at m=25, meaning providers with fewer than 25 reviews are pulled noticeably toward the category mean (~4.8).

Composite ServiceAgent Score = 0.6 × Recommendation + 0.4 × Trust. We re-compute as new reviews land and as providers claim their listings. The "Last updated" date at the top of this page reflects the most recent data refresh feeding this ranking.

What we deliberately don't do: pay-to-rank, sponsored slots that masquerade as editorial picks, or hide our formula. Sponsored slots (if/when introduced) will be clearly labeled and won't affect editorial ranking.

Full formula on the methodology page.

18 Best HVAC Companies Ranked

Ranked by composite ServiceAgent Score. 18 verified businesses match.

Sort by:
1

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationHonolulu, HI · 1721 Republican St, Honolulu, HI 96819
EstablishedEstablished (high review volume)
SpecializationHVAC
Rating4.9★ across 308 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.5★ 9.8
ServiceAgent Score 8.5/10 · high confidence
Trust StrongRecommendation StrongReview depth Strong

The approach

Air Masters Inc maintains a strong 4.9-star reputation across 308 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 308 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Our top pick in Honolulu. The 8.5/10 composite comes from a rare combination of review depth (308 reviews), a 4.9-star rating, and complete profile data.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 848-2473
Websiteairmastershawaii.com
2

Best for: Customers prioritizing top-end satisfaction scores in Honolulu.

LocationHonolulu, HI · 2007 Republican St, Honolulu, HI 96819
EstablishedOperating multiple years (moderate review history)
SpecializationHVAC
Rating4.9★ across 126 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.0★ 9.8
ServiceAgent Score 8.3/10 · high confidence
Trust ModerateRecommendation StrongReview depth Moderate

The approach

Air Source Air Conditioning maintains a strong 4.9-star reputation across 126 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 126 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

A top-3 pick in this market on the composite score. Worth a quote alongside #1 to compare response time and pricing on your specific job.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 300-4651
Websitewww.airsourceac.com
3

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationHonolulu, HI
EstablishedEstablished (high review volume)
SpecializationHVAC
Rating5.0★ across 431 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 10.0
ServiceAgent Score 8.2/10 · high confidence
Trust ModerateRecommendation StrongReview depth Strong

The approach

Standard Air, LLC maintains a strong 5.0-star reputation across 431 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 431 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

A top-3 pick in this market on the composite score. Worth a quote alongside #1 to compare response time and pricing on your specific job.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 302-0644
Websitestandardairhawaii.com
4

Best for: Customers prioritizing top-end satisfaction scores in Honolulu.

LocationHonolulu, HI
EstablishedOperating multiple years (moderate review history)
SpecializationHVAC
Rating5.0★ across 172 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.0★ 10.0
ServiceAgent Score 8.0/10 · high confidence
Trust ModerateRecommendation StrongReview depth Moderate

The approach

Kung Fu Air Service maintains a strong 5.0-star reputation across 172 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 172 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 501-7354
Websitekungfuairservice.com
5

Best for: Customers prioritizing top-end satisfaction scores in Honolulu.

LocationHonolulu, HI · 4348 Waialae Ave #635, Honolulu, HI 96816
EstablishedSome operating history (limited review volume)
SpecializationHVAC
Rating4.9★ across 28 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 9.7
ServiceAgent Score 8.0/10 · med confidence
Trust ModerateRecommendation StrongReview depth Limited

The approach

AC CLEANING HAWAII operates in Honolulu with 28 Google reviews at 4.9 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 28 reviews puts them in the upper tier for hvac providers in Honolulu.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 216-6070
Websitewww.accleaninghawaii.com
6

Best for: Customers prioritizing top-end satisfaction scores in Honolulu.

LocationHonolulu, HI
EstablishedOperating multiple years (moderate review history)
SpecializationHVAC
Rating5.0★ across 114 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.0★ 9.9
ServiceAgent Score 7.9/10 · high confidence
Trust ModerateRecommendation StrongReview depth Moderate

The approach

AquaACClean maintains a strong 5.0-star reputation across 114 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 114 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 490-1060
Websitewww.aquaacclean.com
7

Best for: Mid-tier hvac jobs where price and quality both matter.

LocationHonolulu, HI · 2312 Kamehameha Hwy, Honolulu, HI 96819
EstablishedSome operating history (limited review volume)
SpecializationHVAC
Rating4.7★ across 33 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 9.5
ServiceAgent Score 7.9/10 · med confidence
Trust ModerateRecommendation StrongReview depth Limited

The approach

Cosco Air Conditioning & Refrigeration operates in Honolulu with 33 Google reviews at 4.7 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.7-star average across 33 reviews puts them in the upper tier for hvac providers in Honolulu.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 845-2234
Websitewww.coscohawaii.com
8

Best for: Customers prioritizing top-end satisfaction scores in Honolulu.

LocationHonolulu, HI
EstablishedSome operating history (limited review volume)
SpecializationHVAC
Rating5.0★ across 40 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 4.5★ 9.9
ServiceAgent Score 7.7/10 · med confidence
Trust LimitedRecommendation StrongReview depth Limited

The approach

Ultimate Air Conditioning - Hawaii operates in Honolulu with 40 Google reviews at 5.0 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 40 reviews puts them in the upper tier for hvac providers in Honolulu.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 336-2900
Websitecallultimateair.com
9

Best for: Buyers willing to try a newer entrant with strong early reviews.

LocationHonolulu, HI · 1430 Kealia Dr, Honolulu, HI 96817
EstablishedLimited public history - newer or low-engagement listing
SpecializationHVAC
Rating5.0★ across 1 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 4.5★ 9.7
ServiceAgent Score 7.6/10 · low confidence
Trust LimitedRecommendation StrongReview depth Limited

The approach

KW Air Conditioning LLC is a smaller or newer entrant in Honolulu with 1 public reviews so far. The smaller sample makes the 5.0-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 1 reviews puts them in the upper tier for hvac providers in Honolulu.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 347-3136
Websitewww.kwachawaii.com
10

Best for: Mid-tier hvac jobs where price and quality both matter.

LocationHonolulu, HI · 833 Ilaniwai St, Honolulu, HI 96813
EstablishedOperating multiple years (moderate review history)
SpecializationHVAC
Rating4.2★ across 81 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.0★ 8.7
ServiceAgent Score 7.6/10 · high confidence
Trust ModerateRecommendation ModerateReview depth Moderate

The approach

Purair Hawaii operates in Honolulu with 81 Google reviews at 4.2 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 4.2 from 81 reviews. Treat the score as provisional.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 589-2712
Websitewww.purairhi.com
11

Best for: Mid-tier hvac jobs where price and quality both matter.

LocationHonolulu, HI · 1320 Kalani St, Honolulu, HI 96817
EstablishedLimited public history - newer or low-engagement listing
SpecializationHVAC
Rating4.1★ across 7 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.0★ 9.3
ServiceAgent Score 7.6/10 · low confidence
Trust ModerateRecommendation StrongReview depth Limited

The approach

Johnstone Supply is a smaller or newer entrant in Honolulu with 7 public reviews so far. The smaller sample makes the 4.1-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 4.1 from 7 reviews. Treat the score as provisional.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 842-6000
Websitewww.johnstonesupply.com/store233
12

Best for: Mid-tier hvac jobs where price and quality both matter.

LocationHonolulu, HI · 670 Auahi St I-10, Honolulu, HI 96813
EstablishedLimited public history - newer or low-engagement listing
SpecializationHVAC
Rating4.0★ across 7 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.0★ 9.3
ServiceAgent Score 7.6/10 · low confidence
Trust ModerateRecommendation StrongReview depth Limited

The approach

A/C Warehouse is a smaller or newer entrant in Honolulu with 7 public reviews so far. The smaller sample makes the 4.0-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 4.0 from 7 reviews. Treat the score as provisional.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 545-3084
Websitewww.acwarehousehi.com
13

Best for: Mid-tier hvac jobs where price and quality both matter.

LocationHonolulu, HI · 1750 Auiki St, Honolulu, HI 96819
EstablishedSome operating history (limited review volume)
SpecializationHVAC
Rating3.9★ across 17 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 8.9
ServiceAgent Score 7.5/10 · med confidence
Trust ModerateRecommendation ModerateReview depth Limited

The approach

Advanced A/C Contracting is a smaller or newer entrant in Honolulu with 17 public reviews so far. The smaller sample makes the 3.9-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 3.9 from 17 reviews. Treat the score as provisional.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 847-4814
Websitewww.advancedachawaii.com
14

Best for: Buyers willing to try a newer entrant with strong early reviews.

LocationHonolulu, HI · 1471 Olino St, Honolulu, HI 96818
EstablishedSome operating history (limited review volume)
SpecializationHVAC
Rating4.5★ across 18 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 4.5★ 9.4
ServiceAgent Score 7.4/10 · med confidence
Trust LimitedRecommendation StrongReview depth Limited

The approach

Melvin AirConditioning is a smaller or newer entrant in Honolulu with 18 public reviews so far. The smaller sample makes the 4.5-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.5-star average across 18 reviews puts them in the upper tier for hvac providers in Honolulu.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 255-4844
Website—
View full profile →Call
15

Best for: Mid-tier hvac jobs where price and quality both matter.

LocationHonolulu, HI · 1933 Homerule St, Honolulu, HI 96819
EstablishedLimited public history - newer or low-engagement listing
SpecializationHVAC
Rating4.0★ across 4 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 4.0★ 9.4
ServiceAgent Score 7.2/10 · low confidence
Trust LimitedRecommendation StrongReview depth Limited

The approach

Progressive Air is a smaller or newer entrant in Honolulu with 4 public reviews so far. The smaller sample makes the 4.0-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 4.0 from 4 reviews. Treat the score as provisional.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 839-0770
Website—
View full profile →Call
16

Best for: Buyers willing to try a newer entrant with strong early reviews.

LocationHonolulu, HI · 709A Palani Ave, Honolulu, HI 96816
EstablishedLimited public history - newer or low-engagement listing
SpecializationHVAC
Rating5.0★ across 3 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 2.5★ 9.7
ServiceAgent Score 6.8/10 · low confidence
Trust LimitedRecommendation StrongReview depth Limited

The approach

Cs Mechanical is a smaller or newer entrant in Honolulu with 3 public reviews so far. The smaller sample makes the 5.0-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 3 reviews puts them in the upper tier for hvac providers in Honolulu.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone—
Website—
View full profile →
17

Best for: Mid-tier hvac jobs where price and quality both matter.

LocationHonolulu, HI
EstablishedSome operating history (limited review volume)
SpecializationHVAC
Rating3.6★ across 11 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 3.5★ 8.9
ServiceAgent Score 6.7/10 · med confidence
Trust LimitedRecommendation ModerateReview depth Limited

The approach

AMV Air Conditioning Inc is a smaller or newer entrant in Honolulu with 11 public reviews so far. The smaller sample makes the 3.6-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 3.6 from 11 reviews. Treat the score as provisional.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 845-3149
Website—
View full profile →Call
18

Best for: Mid-tier hvac jobs where price and quality both matter.

LocationHonolulu, HI · 550 Paiea St, Honolulu, HI 96819
EstablishedSome operating history (limited review volume)
SpecializationHVAC
Rating3.7★ across 30 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 3.0★ 8.4
ServiceAgent Score 6.2/10 · med confidence
Trust LimitedRecommendation ModerateReview depth Limited

The approach

Heating & Air Conditioning Corporation operates in Honolulu with 30 Google reviews at 3.7 stars - a steady mid-tier signal in our composite scoring.

  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 3.7 from 30 reviews. Treat the score as provisional.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone—
Website—
View full profile →

Showing 10 of 18.

How to choose a HVAC pro

The ranking does the research; these five checks help you turn the shortlist into the right hire.

  1. 1

    Start with the top of the ranking, not an ad

    The providers ranked highest in Honolulu earned it on review depth, rating, and data completeness — not on ad spend. Shortlist two or three from the top before you start calling.

  2. 2

    Get two or three quotes in writing

    Pricing for HVAC work varies by scope and local market. Written quotes from a few shortlisted pros let you compare apples to apples and spot an outlier before you commit.

  3. 3

    Read the most recent reviews, not just the average

    A strong average can hide a recent slide in quality. Sort reviews by newest and look for how the business handles problems — a thoughtful reply to a bad review often tells you more than the star count.

  4. 4

    Confirm licensing, insurance, and scope before work starts

    Ask for the license number and proof of insurance, and get the full scope of work plus any parts/labor warranty in writing before any HVAC job begins. Verify the license on your state board if the work is significant.

  5. 5

    Match the provider to your actual job

    A high-volume operator is great for a routine job; a smaller specialist may be a better fit for an unusual one. Use the scorecard above to pick for your situation, not just the overall rank.

Local context

$Honolulu sits in $Hawaii's broader hvac services market, which our data suggests has 18 actively-operating providers within the city limits and surrounding metro. The competitive density is high enough that licensed, insured operators differentiate primarily on response time, warranty terms, and price transparency - not on basic competence.

Pricing drivers in Honolulu

  • System age (units over 10 years are more likely to need replacement vs. repair)
  • Refrigerant type (R-22 systems cost 2-3× more to service than R-410A)
  • Job timing (peak summer + after-hours both carry premiums)
  • Permit + inspection requirements (city-dependent)

What to verify before signing

  • Licensed in your state (verify on the state contractor board)
  • Carries general liability + worker's comp insurance
  • Provides itemized written estimate before work begins
  • Offers at least a 1-year warranty on parts AND labor
  • Is NATE-certified or factory-trained on your unit's brand

Red flags to walk away from

  • ⚠️ Refuses to put the diagnostic fee in writing before arriving
  • ⚠️ Pushes "full system replacement" without showing you the failing part
  • ⚠️ Charges over $200 just to drive out without a price band quoted in advance
  • ⚠️ No EPA Section 608 certification on file (required to handle refrigerant)

When demand peaks in Honolulu for hvac

12-month demand index (100 = annual average). Peaks in July, troughs in October. Book in the trough months to lock lower rates.

avg = 100Jul: 185JanFebMarAprMayJunJulAugSepOctNovDec

Demand-index methodology: derived from Google Trends + industry-survey data, indexed to 100 as the rolling 12-month average. Local market may vary 10-25%.

Pricing: what hvac costs

Quick budget estimates by job type. Pricing here reflects the local-market premium for this city. Use these as a planning sanity-check, not as a firm quote.

JobLowHigh
Diagnostic visit$94$250
Refrigerant recharge (per pound)$375$750
Capacitor replacement$125$438
Compressor replacement$1,500$3,500
Full system replacement (per ton)$7,875$11,250

Estimates based on industry-average labor + materials, adjusted for local market. Get at least two written quotes from providers above before signing.

What to know about hiring HVAC

HVAC work ranges from a quick repair to a full system replacement, and the right pro depends on the job.

What drives the price

System size (tonnage), SEER efficiency rating, ductwork condition, and whether it's a repair, replacement, or new install.

What to check

EPA 608 certification, manufacturer certifications (Trane, Carrier, Lennox), and whether they do a load calculation rather than just swapping like-for-like.

When to call

Before peak summer or winter — emergency and after-hours work costs more, and the best crews book out in heat waves.

Why trust this list

When you need hvac work done in Honolulu, the first hour of research is usually the most expensive part - reading reviews, decoding marketing claims, and trying to figure out who's actually a licensed pro vs. someone with a truck and a Google listing. This page is meant to compress that hour into about five minutes.

We've cataloged every active hvac business in Honolulu, Hawaii (18 total) and ranked them by a single composite ServiceAgent Score - a weighted blend of *trust signals* (data quality, verification status, review-volume credibility) and *quality signals* (rating, review count, response time). The result is a list where high-volume, well-reviewed, complete-data providers float to the top, and where a "5-star from 3 reviews" outfit doesn't get to outrank a 4.7★ provider with 240 reviews.

Below: the ranked list (top 18), followed by what to look for, what each project usually costs in Honolulu, the red flags that should make you walk, and a methodology section that shows our exact formula. If you run one of these businesses, the Claim your listing banner near the bottom takes you through a 2-minute verification flow to get a green badge, edit your description, and bump your placement.

Frequently asked questions

10 common questions about hiring a hvac pro in this area.

Who is the best hvac provider in Honolulu, Hawaii?

Based on our composite scoring, Air Masters Inc ranks #1 with a ServiceAgent Score of 8.5/10 (308 reviews, 4.9★). Air Source Air Conditioning ranks #2 (8.3/10) and Standard Air, LLC ranks #3 (8.2/10). These rankings refresh as new reviews come in.

How much does hvac service cost in Honolulu?

Costs in Honolulu for hvac work span $150 - $4,200 depending on scope. $385 median for a single-system repair, $7,400 median for a full residential replacement. Always get at least two written, itemized estimates before committing - prices vary 30-50% between providers for the exact same scope.

What drives the price difference between hvac providers?

Several factors:

• System age (units over 10 years are more likely to need replacement vs. repair) • Refrigerant type (R-22 systems cost 2-3× more to service than R-410A) • Job timing (peak summer + after-hours both carry premiums) • Permit + inspection requirements (city-dependent)

Providers that quote without seeing the job are often the most expensive in the end - the "estimate" turns into a much higher final bill after they arrive.

What should I look for when hiring a hvac pro in Honolulu?

Use this checklist before signing anything:

• Licensed in your state (verify on the state contractor board) • Carries general liability + worker's comp insurance • Provides itemized written estimate before work begins • Offers at least a 1-year warranty on parts AND labor • Is NATE-certified or factory-trained on your unit's brand

If the provider can't or won't meet these, walk. There's no shortage of pros in Honolulu - we've cataloged 18 of them on this page alone.

What are red flags to avoid when hiring hvac in Honolulu?

The patterns we see most often in disputes:

• ⚠️ Refuses to put the diagnostic fee in writing before arriving • ⚠️ Pushes "full system replacement" without showing you the failing part • ⚠️ Charges over $200 just to drive out without a price band quoted in advance • ⚠️ No EPA Section 608 certification on file (required to handle refrigerant)

Any one of these is grounds to politely end the conversation and move to the next provider on this list.

Are these hvac listings verified?

All 18 listings are pulled from active Google Business Profile data, which means each business has confirmed its location, name, and contact details with Google. Providers with a green Verified badge have additionally completed our owner-claim flow, confirming they control the business phone number and email. As of the latest refresh, 0 of these 18 listings are ServiceAgent-verified.

How does the ServiceAgent Score work?

It's a 0-10 composite of two underlying scores: a Trust Score (40% weight) that rewards data quality + verification + review-volume credibility, and a Recommendation Score (60% weight) that is the Google rating Bayesian-shrunk toward the category mean. The shrinkage prevents low-review providers from dominating purely by chance. Full formula on the methodology page.

Can I get free quotes from multiple hvac providers at once?

Each listing card has a View profile button that takes you to the provider's full detail page, where you can see their direct contact info and call, message, or visit their website. ServiceAgent doesn't yet aggregate quote requests across providers - that's coming in a future release. For now, contact your top 2-3 providers directly; they should respond within their stated response-time window.

Why does the ranking change between visits?

Two reasons. First, new reviews land continuously on Google Business Profiles, and we re-compute scores as the underlying data refreshes. Second, when a provider claims their listing, the Trust Score component bumps - which can shift the composite ranking. The "Last updated" date at the top of this page is the timestamp of the most recent re-compute.

I'm a business owner - how do I get my listing on this page?

If your business has an active Google Business Profile in Honolulu tagged hvac, it should already be here. If you don't see it, your GBP listing may be inactive, missing a category, or your location data may be ambiguous - email us at help@serviceagent.ai and we'll investigate. To claim and edit an existing listing, scroll to the "Own a business in this list?" banner near the bottom of this page.

Reports & insights

Pricing, demand, and provider trends for Honolulu — refreshed quarterly.

Verify any provider's license in Hawaii

Always confirm a contractor is in good standing before hiring. Hawaii uses the Hawaii Department of Commerce and Consumer Affairs (DCCA). Search by license number, business name, or address.

⚡ For business owners

Own a business in this list? Claim it free.

Get a verified green badge, edit your description, upload real photos, and bump your placement in this and 11 other category lists. Takes under 2 minutes.

  • ✓Verified badge next to your name
  • ✓Edit services, hours, photos, description
  • ✓Boosted ranking in claimed-only sort
  • ✓Response analytics on inbound leads
  • ✓No fee, no card required
  • ✓2-minute phone-based verification

Fill out the verification form right here. We'll match it to your Google Business Profile and confirm by phone within one business day.

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About the author

Written by

Headshot of Shaambhav Shankar

Shaambhav Shankar

Growth & Product Marketing, ServiceAgent

Shaambhav Shankar works in product marketing at SaaS Labs, the company behind ServiceAgent, and describes himself as a marketing generalist with six years of experience in SaaS. He studied at Symbiosis International University and is based in the Greater Delhi Area. He writes the bulk of the ServiceAgent blog, covering call answering, CRM and the operational side of running a home services business, and authors and maintains the ServiceAgent Directory rankings.

Credentials

  • Symbiosis International University (2016-2019)
  • Digital Marketing, Google India (2020)
  • Financial Modelling and Valuation, Ernst & Young (2019)
  • Building with the Claude API, Anthropic (2026)
  • AI Fluency for Builders, Anthropic (2026)
  • Introduction to Model Context Protocol, Anthropic (2026)

Greater Delhi Area, India · 6 years experience

Every ranking on this page is written and maintained by Shaambhav Shankar, who owns the ranking methodology and verifies each provider listing against public data. No pay-to-rank, no sponsored placements. Read our methodology →

Update history
  • October 21, 2026 — Latest ranking refresh. Composite ServiceAgent Scores recomputed from current Google review data.

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