25 HVAC Repair Contractors in Fullerton, CA
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Top-Rated HVAC Repair Contractors in Fullerton
The Water Heater Warehouse
“Across five recent reviews, every customer awarded five stars and specifically mentioned either Chris Thorne or the installation crew for professionalism and…”
Avis Plumbing and Air
“Four separate five-star reviews specifically mention technician John or JR, praising his thorough diagnostics, patient explanations, and fair pricing on both…”
All HVAC Repair Contractors (25 total)
Jamison Heating & Cooling Services, Inc.
“Technician names appear frequently across 5-star reviews, with Cesar, Isidro, Oscar, Tony, and Armando each…”
Smartсhoice Heating & Air Repair
“Sixteen of eighteen sampled reviews name a specific technician, with Andrii, Alex, Nick, and Max each…”
One Hour Heating & Air Conditioning
“The 4.9-star average across 70 reviews tells a story of dependable service, with technicians repeatedly…”
Tria Air conditioning Pros
“All 40 reviews carry 5-star ratings, with customers frequently naming technician Preston for his clear…”
Cool Air Fullerton
“Every one of the 18 reviewers awarded 5 stars, and most include specifics rather than vague praise. Four…”
Eco Fresh HVAC Inc.
“All five visible reviews award five stars and cite the same-day completion timeline, whether for a ceiling…”
Rosag HVAC Solutions Fullerton
“All 12 reviewers award five stars, with six explicitly calling out the company's same-day response capability…”
Anthony's Reliable Heating & AC
“All eight customers left 5-star ratings, with common themes centering on accurate diagnostics and restored…”
HVAC: Heating & Air Conditioning Inc
“All 8 reviewers award a perfect 5 stars, and more than half explicitly praise the same-day or rapid response…”
Heating & Air Conditioning
“Eight of nine reviewers awarded five-star ratings to this Fullerton contractor, with seven specifically…”
Advanced Climate Technologies
“Every one of the seven reviews awards five stars, with four explicitly naming owner Jonathan Payne as the…”
Fullerton Heating and Cooling Service
“All four visible reviews award 5 stars, with customers consistently highlighting on-time arrivals, clear…”
Coolsys Refrigeration & HVAC
“Three of four reviews rate this contractor at one star, citing dangerous driving incidents involving company…”
Air Conditioning & Heating Repair
“Both reviewers awarded perfect 5-star ratings and independently praised the contractor's honesty and fair…”
Heating & Air-Conditioning
“Five of eight reviewers awarded five stars, with all positive accounts mentioning prompt arrival and…”
Quality Heating & Air Conditioning Repair
“Both reviewers awarded 5 stars and described a technician who arrived promptly and resolved the problem…”
Electronic Environments
“No customer reviews have been submitted for Electronic Environments in Fullerton. Directory links to Google…”
HVAC Repair Costs in Fullerton
Typical heating and cooling repair costs in Fullerton, by component.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call | $74 | $118 | $196 |
Thermostat replacement | $147 | $270 | $490 |
Blower motor replacement | $392 | $637 | $1,078 |
Heat exchanger replacement | $1,470 | $2,156 | $3,430 |
Ignitor replacement (gas furnace) | $147 | $245 | $392 |
Control board replacement | $294 | $539 | $882 |
Full system repair (major) Multi-component failure | $490 | $1,176 | $2,940 |
Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Repair in Fullerton, CA: What to Expect
Fullerton’s position in the Los Angeles basin means mild winters and summer highs that usually top out in the mid-80s, while inland valleys and Santa Ana wind events can push demand for cooling hard past 100°F. That variability keeps repair needs steady year-round. Local homeowners seeking hvac-repair Fullerton choose from about 25 contractors averaging a 3.8 rating across 2,994 reviews, and seven firms advertise 24/7 service.
The dataset didn’t include itemized cost figures, so specific price points aren’t available here. That said, expect repair pricing to reflect diagnostics, parts like capacitors or compressors, refrigerant handling, and hourly labor in a market influenced by peak-season demand. California requires technicians to hold the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license through the CSLB, so verifying that credential is a sensible step before authorizing work or comparing estimates.
Customer-highlight fields were not provided, so no individual technicians or standout anecdotes appear in the records. Given that, focus on patterns you can confirm: compare contractor ratings and volume of reviews, confirm C-20 licensure and insurance, ask about experience with extreme-heat scenarios and emergency response, get written estimates and warranties, and prioritize shops that document refrigerant and safety checks.
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All HVAC Contractors in Fullerton, CA
Complete directory of 55 contractors — browse alphabetically
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All HVAC Contractors in Fullerton, CA
Complete directory of 55 contractors — browse alphabetically