5 AC Repair Contractors in San Lorenzo, CA
Top-Rated AC Repair Contractors in San Lorenzo
Rooter Hero Plumbing & Air of San Lorenzo
“Positive reviews consistently mention diagnostic skill, same-day service, and professional technician conduct, while negative reviews focus on pricing concerns…”
R & L Plumbing/HVAC
“All eight sampled reviewers gave 5-star ratings, with technicians named in every review. Customers consistently mention same-day or within-hours response, fair…”
AC Repair Costs in San Lorenzo
Typical repair costs for San Lorenzo homeowners, by problem type.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call Usually credited toward repair | $71 | $114 | $190 |
Refrigerant recharge (R-410A) | $143 | $333 | $665 |
Capacitor replacement | $114 | $238 | $428 |
Fan motor replacement | $238 | $428 | $665 |
Compressor replacement | $760 | $1,710 | $2,660 |
Evaporator coil repair | $380 | $855 | $1,425 |
Labor (hourly rate) Per hour during business hours | $71 | $105 | $143 |
Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Repair in San Lorenzo, CA: What to Expect
San Lorenzo sits in the East Bay, where marine fog traditionally kept summer temperatures mild. But recent heat events have proven that coastal influence is no guarantee , the 2021 heat dome pushed temperatures past 100 F even in neighborhoods that rarely needed cooling. Today, more homeowners are searching for AC Repair in San Lorenzo as summer reliability becomes essential. The market reflects this shift: five contractors serve the area with an average rating of 2.9 stars across 374 reviews, and just one offers 24/7 availability.
California law requires HVAC contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB. For San Lorenzo homeowners, a diagnostic or service call typically runs $71 to $190, while refrigerant recharge for R-410A systems costs $143 to $665. Capacitor replacement, a common repair, ranges from $114 to $428. These figures represent the range you should expect when a technician arrives at your door.
Customer feedback reveals distinct strengths among top-rated options. Oliver Heating and Air, with a perfect 5.0 rating, earns consistent praise for technicians Vinnie and Dee, with two separate reviewers noting the team saved them money on repairs. R & L Plumbing/HVAC holds a 4.9 rating, with every sampled reviewer giving five stars and customers highlighting same-day or within-hours response alongside fair pricing. Rooter Hero Plumbing & Air of San Lorenzo, rated 4.7, receives compliments for diagnostic skill and same-day service, though some reviews mention pricing concerns.