Study: The Most-Reviewed HVAC Companies Reply to 66% of Their Google Reviews on Average. The Least-Reviewed: 24%
In the study, the most-reviewed HVAC companies mentioned financing (70% vs 25%), promoted maintenance plans (69% vs 43%) and made guarantee or warranty claims (60% vs 35%) more often than the least-reviewed. Groups are defined by Google review count.
Replying to reviews
In the study, HVAC companies in the highest review-volume group replied on average to 66% of their recent Google reviews, compared with 24% for companies in the lowest review-volume group. Finding details
Average share of recent Google reviews with an owner reply, most-reviewed vs least-reviewed HVAC companies in the study (n = 259).
Design-weighted estimates from the Confirm half (500 companies) of a 1,000-company preregistered study in 10 U.S. metro areas, 2026 data. 95% confidence intervals from a stratified bootstrap. Source: AgencyFix Research, 2027 HVAC Promise vs. Proof Report.
| Measure | Value |
|---|---|
| Owner reply rate (average) — Least-reviewed group | 24% |
| Owner reply rate (average) — Most-reviewed group | 66% |
| Owner reply rate (average) — difference, points (95% CI) | 41 (32–51) |
| Owner reply rate (average) — n | 259 |
<iframe src="https://agencyfix.com/data/hvac-2027/embed/c4b-reply-gap/" title="The review-reply gap in the study: most-reviewed HVAC companies replied to 66% of reviews on average, least-reviewed 24%" width="640" height="400" loading="lazy" style="border:0"></iframe> <p>Source: <a href="https://agencyfix.com/data/hvac-2027/findings/review-reply-gap/">AgencyFix Research, 2027 HVAC Promise vs. Proof Report</a></p>
Financing, maintenance plans and guarantees
In the study, 70% of HVAC companies in the highest review-volume group mentioned financing on their website, compared with 25% in the lowest review-volume group. Finding details
In the study, 69% of HVAC companies in the highest review-volume group promoted a maintenance plan on their website, compared with 43% in the lowest review-volume group. Finding details
In the study, 60% of HVAC companies in the highest review-volume group made a guarantee or warranty claim on their website, compared with 35% in the lowest review-volume group. Finding details
Share of websites, least-reviewed vs most-reviewed group in the study: financing 25% vs 70%, maintenance plan 43% vs 69%, guarantee or warranty claim 35% vs 60%, emergency service advertised 46% vs 75%.
Design-weighted estimates from the Confirm half (500 companies) of a 1,000-company preregistered study in 10 U.S. metro areas, 2026 data. 95% confidence intervals from a stratified bootstrap. Source: AgencyFix Research, 2027 HVAC Promise vs. Proof Report.
| Measure | Value |
|---|---|
| Mentions financing — Least-reviewed group | 25% |
| Mentions financing — Most-reviewed group | 70% |
| Mentions financing — difference, points (95% CI) | 46 (34–56) |
| Mentions financing — n | 247 |
| Promotes a maintenance plan — Least-reviewed group | 43% |
| Promotes a maintenance plan — Most-reviewed group | 69% |
| Promotes a maintenance plan — difference, points (95% CI) | 27 (15–40) |
| Promotes a maintenance plan — n | 247 |
| Guarantee / warranty claim — Least-reviewed group | 35% |
| Guarantee / warranty claim — Most-reviewed group | 60% |
| Guarantee / warranty claim — difference, points (95% CI) | 25 (12–37) |
| Guarantee / warranty claim — n | 247 |
| Advertises emergency service — Least-reviewed group | 46% |
| Advertises emergency service — Most-reviewed group | 75% |
| Advertises emergency service — difference, points (95% CI) | 29 (17–41) |
| Advertises emergency service — n | 247 |
<iframe src="https://agencyfix.com/data/hvac-2027/embed/c4-review-volume-dumbbell/" title="The most-reviewed HVAC companies in the study made more of these claims on their websites" width="640" height="400" loading="lazy" style="border:0"></iframe> <p>Source: <a href="https://agencyfix.com/data/hvac-2027/findings/financing-by-review-volume/">AgencyFix Research, 2027 HVAC Promise vs. Proof Report</a></p>
A nuance worth knowing
Among HVAC companies in the study with at least 5 retrieved Google reviews, companies with more reviews tended to reply to a larger share of them (rank correlation 0.38); this is an association, and it is much weaker within review-volume groups. Finding details
Rank correlation 0.38 across all companies in the study with at least 5 reviews; within review-volume groups the association is much weaker (-0.17, 0.14, 0.19). An association only.
Design-weighted estimates from the Confirm half (500 companies) of a 1,000-company preregistered study in 10 U.S. metro areas, 2026 data. 95% confidence intervals from a stratified bootstrap. Source: AgencyFix Research, 2027 HVAC Promise vs. Proof Report.
| Measure | Value |
|---|---|
| All companies (95% CI) | 0.38 (0.25–0.50) |
| Least-reviewed third | -0.17 |
| Middle third | 0.14 |
| Most-reviewed third | 0.19 |
| n | 345 |
<iframe src="https://agencyfix.com/data/hvac-2027/embed/c6a-within-group-panel/" title="In the study, HVAC companies with more Google reviews tended to reply to a larger share of them" width="640" height="400" loading="lazy" style="border:0"></iframe> <p>Source: <a href="https://agencyfix.com/data/hvac-2027/findings/replies-and-review-volume/">AgencyFix Research, 2027 HVAC Promise vs. Proof Report</a></p>
Pricing
In the study, 66% of HVAC companies in the highest review-volume group showed some pricing on their website, compared with 46% in the lowest review-volume group. Finding details
See how your company's public record compares
How to cite
Source line: Source: AgencyFix Research, 2027 HVAC Promise vs. Proof Report
AgencyFix Research. (2027). The 2027 HVAC Promise vs. Proof Report (study cxi-hvac-2027-1000, claim versions v1). https://agencyfix.com/data/hvac-2027/high-review-companies/
Please cite the specific finding page when quoting a single number; numbers are design-weighted estimates from the Confirm half of the study.