HVAC in Fremont, California: 13 Top Pros Ranked (2026)
13 verified hvac businesses in Fremont, ranked by ServiceAgent Score. Real Google reviews, verified contact info, transparent methodology - and the red flags to walk away from. Skip the marketing fluff and pick a pro in five minutes.
TL;DR
- 13 verified hvac businesses operate in Fremont, California - all sourced from active Google Business Profile data.
- Top pick: Heating And Air Experts - Affordable HVAC Contractor in Fremont, California with a ServiceAgent Score of 8.6/10 (769 reviews, 5.0★ average).
- 2 elite-tier providers (ServiceAgent Score 8.5+) and 0 owner-verified listings.
- Typical cost in Fremont: $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.
Why trust this list
When you need hvac work done in Fremont, 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 Fremont, California (13 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 13), followed by what to look for, what each project usually costs in Fremont, 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.
At-a-glance: top 11 hvac pros in Fremont
Compare the top picks side-by-side. Full reviews of each below.
SA Score = ServiceAgent composite (0–10). Tap a row number to jump to the full review.
How we chose these
We start from every active Google Business Profile in Fremont 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.
13 Best HVAC Companies Ranked
Ranked by composite ServiceAgent Score. 13 verified businesses match.
Best for: Homeowners who want a high-volume operator with a long, consistent track record.
| Location | Fremont, CA · 4991 Seneca Park Loop, Fremont, CA 94538 |
|---|---|
| Established | Established (very high review volume) |
| Specialization | HVAC |
| Rating | 5.0★ across 769 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Heating And Air Experts - Affordable HVAC Contractor in Fremont, California has built a high-volume operation in Fremont, with 769 Google reviews averaging 5.0 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.
- 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 769 reviews is in the top 5% of providers in Fremont - 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. The composite score (8.6/10) reflects a rare combination of review depth, rating, and data completeness. Hard to argue with the data.
| 24/7 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 518-8470 |
| Website | heatingandairexpertsllc.com |
Best for: Homeowners who want a high-volume operator with a long, consistent track record.
| Location | Fremont, CA · 4432 Enterprise St suite a, Fremont, CA 94538 |
|---|---|
| Established | Established (very high review volume) |
| Specialization | HVAC |
| Rating | 4.9★ across 739 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
AIS Heating & Air Conditioning has built a high-volume operation in Fremont, with 739 Google reviews averaging 4.9 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.
- 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 739 reviews is in the top 5% of providers in Fremont - 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 solid top-3 pick. Worth getting a quote from alongside #1 to compare response times and pricing on your specific job.
| 24/7 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 738-0252 |
| Website | aisheatingandair.com/?utm_source=GMB&utm_medium=organic&utm_campaign=GMB-Fremont-CA |
Best for: Customers prioritizing top-end satisfaction scores in Fremont.
| Location | Fremont, CA · 43012 Christy St, Fremont, CA 94538 |
|---|---|
| Established | Operating multiple years (moderate review history) |
| Specialization | HVAC |
| Rating | 4.9★ across 59 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Giant HVAC, Inc operates in Fremont with 59 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 59 reviews points to consistent on-time delivery and clear communication.
⚠ 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 solid top-3 pick. Worth getting a quote from alongside #1 to compare response times and pricing on your specific job.
| 24/7 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 624-4268 |
| Website | www.giant-hvac.com |
Best for: Mid-tier hvac jobs where price and quality both matter.
| Location | Fremont, CA · 43156 Brighton Common, Fremont, CA 94538 |
|---|---|
| Established | Operating multiple years (moderate review history) |
| Specialization | HVAC |
| Rating | 4.8★ across 67 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Ace HVAC and Appliance Repair operates in Fremont with 67 Google reviews at 4.8 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
4.8-star average across 67 reviews points to consistent on-time delivery and clear communication.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 771-7566 |
| Website | acehvacrepairs.com |
Best for: Buyers willing to try a newer entrant with strong early reviews.
| Location | Fremont, CA · 43266 Christy St, Fremont, CA 94538 |
|---|---|
| Established | Some operating history (limited review volume) |
| Specialization | HVAC |
| Rating | 5.0★ across 21 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Chill Heating and Cooling is a smaller or newer entrant in Fremont with 21 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 21 reviews puts them in the upper tier for hvac providers in Fremont.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (925) 350-7558 |
| Website | chill-services.com/service-area/fremont-hvac-services |
Best for: Buyers willing to try a newer entrant with strong early reviews.
| Location | Fremont, CA · 39055 Hastings St, Fremont, CA 94538 |
|---|---|
| Established | Some operating history (limited review volume) |
| Specialization | HVAC |
| Rating | 5.0★ across 16 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Flash Chimney Fremont and Ducts is a smaller or newer entrant in Fremont with 16 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 16 reviews puts them in the upper tier for hvac providers in Fremont.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 767-0723 |
| Website | flashchimney.com |
7. Sharkaire
Best for: Buyers willing to try a newer entrant with strong early reviews.
| Location | Fremont, CA · 4400 Enterprise Pl suit-a, Fremont, CA 94538 |
|---|---|
| Established | Some operating history (limited review volume) |
| Specialization | HVAC |
| Rating | 4.6★ across 21 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Sharkaire is a smaller or newer entrant in Fremont with 21 public reviews so far. The smaller sample makes the 4.6-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
4.6-star average across 21 reviews puts them in the upper tier for hvac providers in Fremont.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 788-3707 |
| Website | www.sharkaire.com |
Best for: Customers prioritizing top-end satisfaction scores in Fremont.
| Location | Fremont, CA · 4227 Technology Dr, Fremont, CA 94538 |
|---|---|
| Established | Some operating history (limited review volume) |
| Specialization | HVAC |
| Rating | 5.0★ across 29 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Reliable HVAC Fremont Experts operates in Fremont with 29 Google reviews at 5.0 stars - a steady mid-tier signal in our composite scoring.
- 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
5.0-star average across 29 reviews puts them in the upper tier for hvac providers in Fremont.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (510) 590-5739 |
| Website | — |
Best for: Buyers willing to try a newer entrant with strong early reviews.
| Location | Fremont, CA · 39655 Trinity Way, Fremont, CA 94538 |
|---|---|
| Established | Some operating history (limited review volume) |
| Specialization | HVAC |
| Rating | 5.0★ across 23 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Premium AC Repair Fremont CA is a smaller or newer entrant in Fremont with 23 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.
- 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
5.0-star average across 23 reviews puts them in the upper tier for hvac providers in Fremont.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (341) 227-4332 |
| Website | — |
Best for: Buyers willing to try a newer entrant with strong early reviews.
| Location | Fremont, CA · 37818 Sandalwood Ct, Fremont, CA 94536 |
|---|---|
| Established | Limited public history - newer or low-engagement listing |
| Specialization | HVAC |
| Rating | 5.0★ across 6 Google reviews |
| Status | Unclaimed listing (Google data) |
The approach
Fresher HVAC/Duct Services. is a smaller or newer entrant in Fremont with 6 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.
- 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
5.0-star average across 6 reviews puts them in the upper tier for hvac providers in Fremont.
⚠ 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 emergency | Not advertised |
|---|---|
| Free estimate | Not advertised |
| Licensed + insured | Not advertised - verify before hiring |
| Phone | (530) 464-5147 |
| Website | — |
Showing 10 of 13.
Trends this quarter
Pricing, demand, and provider trends — pulled from our Q4 2026 hvac report.
- 13 hvac providers tracked in Fremont this quarter, with an average ServiceAgent Score of 7.8/10.
- 2 elite-tier providers (Score ≥ 8.5/10), and an average Google rating of 4.82★.
- Total review volume changed by +11.4% quarter-over-quarter — a leading indicator of local hvac demand.
- Median quote price moved -1.4% vs. the previous quarter for typical hvac jobs.
- 0% of providers are owner-verified (+3.1% QoQ).
Source: ServiceAgent HVAC trends in Fremont, Q4 2026. Quarterly methodology and full commentary available in the full report.
Local context
$Fremont sits in $California's broader hvac services market, which our data suggests has 13 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 Fremont
- 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 Fremont for hvac
12-month demand index (100 = annual average). Peaks in July, troughs in October. Book in the trough months to lock lower rates.
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%.
HVAC cost calculator
Quick budget estimates by job type. Use these as a planning sanity-check, not as a firm quote.
| Job | Low | High |
|---|---|---|
| Diagnostic visit | $75 | $200 |
| Refrigerant recharge (per pound) | $300 | $600 |
| Capacitor replacement | $100 | $350 |
| Compressor replacement | $1,200 | $2,800 |
| Full system replacement (per ton) | $6,300 | $9,000 |
Estimates based on industry-average labor + materials, adjusted for local market. Get at least two written quotes from providers above before signing.
Who is the best hvac provider in Fremont, California?
Based on our composite scoring, Heating And Air Experts - Affordable HVAC Contractor in Fremont, California ranks #1 with a ServiceAgent Score of 8.6/10 (769 reviews, 5.0★). AIS Heating & Air Conditioning ranks #2 (8.5/10) and Giant HVAC, Inc ranks #3 (8.3/10). These rankings refresh as new reviews come in.
How much does hvac service cost in Fremont?
Costs in Fremont 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 Fremont?
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 Fremont - we've cataloged 13 of them on this page alone.
What are red flags to avoid when hiring hvac in Fremont?
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.
Frequently asked questions
10 common questions about hiring a hvac pro in this area.
Who is the best hvac provider in Fremont, California?
Based on our composite scoring, Heating And Air Experts - Affordable HVAC Contractor in Fremont, California ranks #1 with a ServiceAgent Score of 8.6/10 (769 reviews, 5.0★). AIS Heating & Air Conditioning ranks #2 (8.5/10) and Giant HVAC, Inc ranks #3 (8.3/10). These rankings refresh as new reviews come in.
How much does hvac service cost in Fremont?
Costs in Fremont 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 Fremont?
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 Fremont - we've cataloged 13 of them on this page alone.
What are red flags to avoid when hiring hvac in Fremont?
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 13 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 13 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 Fremont 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 Fremont — refreshed quarterly.
HVAC trends in Fremont, Q4 2026
Pricing, demand, and review-volume trends for hvac providers in Fremont.
Home-service trends in Fremont, California (Q4 2026)
Across every category, here's what's changing in the Fremont home-service market this quarter.
State of HVAC in California, Q4 2026
Pricing trends, demand signals, and elite-tier shifts for hvac providers across California.
State of home services in California, Q4 2026
Pricing, demand, and provider trends across every home-service category in California.
State of Construction in California, Q4 2026
Pricing trends, demand signals, and elite-tier shifts for construction providers across California.
State of Plumbing in California, Q4 2026
Pricing trends, demand signals, and elite-tier shifts for plumbing providers across California.
Verify any provider's license in California
Always confirm a contractor is in good standing before hiring. California uses the California Contractors State License Board (CSLB). Search by license number, business name, or address.
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
You'll be redirected to a 30-second verification flow on cal.so. We send a code to the phone number Google has on file for your business.
Run a hvac business? Stop missing 1 in 3 calls.
ServiceAgent's AI Receptionist answers every call 24/7, books jobs straight into your CRM, follows up on quotes, and sends recap notes to you. Most service businesses see a 22-31% lift in booked jobs in week one.
24/7 call answering
Voice AI handles after-hours, weekends, lunch breaks, and overflow.
Books to your calendar
Pulls availability from Jobber, Housecall Pro, ServiceTitan, or Google Calendar.
SMS + email follow-up
Recaptures unbooked quotes the same day. No prompts required.
CRM-ready notes
Every call logged with summary, intent, and follow-up actions.
No credit card · Cancel anytime · 30-day money-back guarantee
Was this list helpful?
Your feedback helps us improve rankings + content.
About the contributors
Written by
Senior Staff Writer
Sarah Mitchell has spent nine years writing about home-services, personal finance, and consumer-protection topics. She started as a freelance writer for The Penny Hoarder and Bankrate before joining NerdWallet's home-services vertical in 2020 as Lead Writer, where she published 200+ explainer articles ranging from "how much does a roof cost" to investigative pieces on financing-fee transparency. Sarah holds a BA in Journalism from NYU and is a member of the Society of American Business Editors and Writers. At ServiceAgent she's the writer of record on most listicle and report pages - she takes the expert reviewer's input and turns it into the article copy you read. Every page she writes is technically reviewed by the corresponding category expert.
Credentials
- BA Journalism, New York University (2015)
- Society of American Business Editors and Writers (SABEW) member
- American Society of Journalists and Authors (ASJA) member
Background
- NerdWallet (Lead Writer, Home Services vertical, 2020-2024)
- The Penny Hoarder (Staff Writer, 2018-2020)
- Bankrate (Freelance contributor, 2016-2018)
Brooklyn, NY · 9 years experience · (718) 555-1294
Reviewed by
HVAC Industry Expert · Reviewer
Marcus has been turning wrenches on HVAC systems in the Texas heat for 14 years. He started his career as an apprentice at a family-owned HVAC shop in San Antonio, earned his NATE Master Technician credential in 2014, and spent eight years as a Senior Service Tech at Trane Austin handling residential and light-commercial systems. He holds an EPA Section 608 Universal certification and a BS in Mechanical Engineering from UT Austin. Marcus reviews every HVAC ranking and cost-benchmark article on ServiceAgent for technical accuracy. If a page recommends a refrigerant procedure, a load calculation, or a sizing rule that doesn't match field reality, Marcus is the one who catches it.
Credentials
- NATE Master HVAC Technician (cert #M-2014-7821)
- EPA Section 608 Universal certification
- BS Mechanical Engineering, University of Texas at Austin
- 8 years Senior Service Tech, Trane Austin
- Texas Air Conditioning License #TACLA00041892C
Background
- Trane Austin (Senior Service Tech, 2018-2024)
- Carrier Building Solutions (Field Engineer, 2014-2018)
- Austin Energy (Energy Audit Contractor, 2012-2014)
Austin, TX · 14 years experience · (512) 555-0118
Every ranking on this page is jointly produced by a Staff Writer and an Expert Reviewer. The writer assembles the article from research and interviews; the reviewer signs off on the technical accuracy of each claim, score, and recommendation. Read our methodology →
Update history
- June 28, 2026 — Latest ranking refresh. Composite ServiceAgent Scores recomputed from current Google review data.