AI front office for HVAC

BuildOps vs Retell AI

A straight look at how these tools handle the HVAC front office: answering calls, booking jobs, following up, and keeping records. Capabilities come from each vendor’s own public materials. Reviews are real and linked to their source.

Updated Jun 20, 2026All comparisons

Capabilities, side by side

Each tool is scored on its own terms, by the same set of categories. Hover any cell for the definition and the source behind it.

CapabilityBuildOpsRetell AI
AI Voice (Inbound)No*Partial*
AI Voice (Outbound)No*Partial*
SMS Follow-upNo*Partial*
Appointment BookingPartial*Partial*
Native CRMPartial*No*
PaymentsPartial*Partial*
Dispatch & SchedulingPartial*No*
Review ManagementNo*No*
Live Human BackupNo*Partial*
HVAC Trade TemplatesPartial*No*
FSM IntegrationsPartial*No*

Yes / Partial / No reflect each tool on its own terms, scored from its public materials. Hover a cell for the definition and source. * marks limited evidence.

Pricing model

Pricing changes often and each tool prices differently (per seat, per minute, per call, or usage based). Rather than freeze a number that goes stale, we link straight to each vendor’s own pricing page so you see the current model at the source.

What customers say

Verbatim public reviews, praise and complaints both, each linked to where it was posted. We do not edit or cherry-pick for tone.

BuildOps

4.6/5 · 90 reviews
Praise
Ease of use, making the workflow so much faster on a day to day basis. For example, copying and pasting texts, using filters to refine searches, and a search bar that auto populates as you attempt to find a Work Order or Purchase order.
g2source
Complaint
The issue is the BuildOps is inconsistent in how the information is integrated
g2source
Praise
Easy to integrate programs such as Quickbooks for accounting which makes billing more efficient.
g2source
Complaint
faces challenges in areas like setup and overall support quality, which some users feel could be improved
g2source

Retell AI

5/5 · 93 reviews
Praise
For small businesses in 2026, CloudTalk is the strongest fit because it's the only platform in this comparison that ships AI voice agents as part of a full call center software stack.
g2source
Complaint
Lack of ability to select server location to ensure connection speed. Lack of access to outgoing call logs
g2source
Praise
The instant transcripts, concise summaries, and built-in A/B testing empower our team to optimize scripts and close more deals—highly recommended for scaling outbound calling.
g2source
Complaint
I think the SMS function is a little bit expensive
g2source

Trade fit

The home service trades each tool is tracked for.

BuildOps

  • HVAC
  • Electrical

Retell AI

  • HVAC

One of these is ours. Here is the honest pitch.

ServiceAgent is the AI front office built for home service teams. It answers every call, books the job, and keeps your records straight. Try it and judge for yourself.