Sep 3, 2026
AC Blowing Warm Air? Common Causes and Fixes
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HVAC Company
Mercury Heating & Air
Verified
5.0(72 reviews)•Residential•Serving Concord, CA
EPANATENCILicense #1040640
A heating and air conditioning service provider offering HVAC installation, repair, and maintenance services.
Yes
Emergency Service
Available
Financing Available
Concord, CA
Service Area
Services Offered
Customer Sentiment Summary
Strengths
- Conduct on site is the headline: 36 of 71 reviewers describe the crew as professional, courteous and respectful of their home.
- Diagnosis and workmanship carry the reviews — 24 of 71 reviewers say the technician found the real fault and fixed it properly the first time.
- Technicians turn up inside the booked window, something 16 reviewers went out of their way to note.
- No hard sell: 16 reviewers describe upfront quotes that matched the final invoice.
Areas to Watch
- Pricing is mostly positive but not unanimous: 6 of the 71 reviews analysed raised it, and a minority had problems.
- Turnaround is mostly positive but not unanimous: 4 of the 71 reviews analysed raised it, and a minority had problems.
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