All findings from the 2027 HVAC Promise vs. Proof study

Each finding has its own page with the exact approved wording, the population and denominator it describes, its claim version and a ready-made citation.

• In the study, 57% of 24/7-claiming HVAC companies did not list 24-hour hours on Google. (headline)
• In the study, 30% of HVAC company websites claimed 24/7 service that their Google listing did not show (10% the reverse). (descriptive only)
• In the study, 8% of HVAC emergency-service websites clearly explained what to do after hours (AI-assisted review). (weak)
• In the study, 70% of the most-reviewed HVAC companies mentioned financing vs 25% of the least-reviewed. (supporting)
• In the study, the most-reviewed HVAC companies replied on average to 66% of recent Google reviews; the least-reviewed, 24%. (headline)
• In the study, 66% of the most-reviewed HVAC companies showed some pricing vs 46% of the least-reviewed. (weak)
• In the study, 69% of the most-reviewed HVAC companies promoted a maintenance plan vs 43% of the least-reviewed. (supporting)
• In the study, 60% of the most-reviewed HVAC companies made a guarantee or warranty claim vs 35% of the least-reviewed. (supporting)
• In the study, 75% of the most-reviewed HVAC companies advertised emergency service vs 46% of the least-reviewed. (supporting)
• In the study, HVAC companies with more Google reviews tended to reply to a larger share of them (rank correlation 0.38; association only). (supporting)
• Descriptive: in the study, reply rate and star rating showed no clear association (rank correlation 0.05). (descriptive only)

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