5 AC Repair Contractors in Signal Hill, CA
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Top-Rated AC Repair Contractors in Signal Hill
Primo Plumbing & Heating
“346 reviews averaging 4.9 stars with five-star ratings spanning garbage disposal installs, water heater replacements, drain cleaning, and furnace rebuilds.…”
AAA CALVERT Electrical, Heating and Air Conditioning
“All five detailed reviews award 5 stars, with two technicians named across multiple accounts. Four reviewers mention honesty, fair pricing, or the absence of…”
All AC Repair Contractors (5 total)
Marathon Plumbing, Heating and AC Repair
“Six reviewers specifically name their technicians (Mark, Mario, Joe, Whitney) and commend diagnostic…”
Coastline Environmental Solutions - Mold Remediation Long Beach
“All five reviewers who cited specific technicians awarded five-star ratings, with three mentioning same-day…”
AC Repair Costs in Signal Hill
Typical repair costs for Signal Hill 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 Signal Hill, CA: What to Expect
Signal Hill sits inside the Los Angeles basin where mild Mediterranean winters and warm summers create steady demand for cooling. Summer highs near 84°F push residences and small businesses to maintain reliable systems, while inland heat spikes and Santa Ana winds drive occasional surges in service calls. With five contractors serving the area and an average rating of 4.9 from 1,107 reviews, residents have multiple high-rated options for ac-repair Signal Hill needs.
Specific pricing details weren’t provided, but costs for AC repair in the metro vary by the type of work—diagnostics, refrigerant service, compressor or fan motor replacement, and emergency callouts influence totals. Expect labor, parts and system access to affect estimates; multi-stage systems or older units typically cost more to service. California requires HVAC contractors to hold the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license through the CSLB, so confirm licensure before agreeing to work.
No individual customer highlights were supplied, so patterns across reviews are the best proxy: fast response times, clear estimates, and warranty transparency tend to correlate with higher ratings in this market. Homeowners should request written estimates, inquire about parts warranties and emergency availability, and verify the C-20 license number to ensure the contractor meets state requirements.