29 HVAC Repair Contractors in Fullerton, CA
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 (29 total)
Jamison Heating & Cooling Services, Inc.
“All four featured reviewers award 5-star ratings, with three specifically mentioning the company's fair…”
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…”
Heating & Air Conditioning
“Eight of nine reviewers awarded five-star ratings to this Fullerton contractor, with seven specifically…”
Cooling & Heating Repair - Fullerton
“Eight of eight reviews award 5 stars, with three explicitly mentioning same-day service, two praising fair…”
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…”
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
“Five of eight reviewers awarded five stars, with all positive accounts mentioning prompt arrival and…”
Precision Heating and Air
“All four reviews award five stars, with customers specifically praising efficient project timelines, thorough…”
Air Conditioning & Heating Repair
“Both reviewers awarded perfect 5-star ratings and independently praised the contractor's honesty and fair…”
Quality Heating & Air Conditioning Repair
“Both reviewers awarded 5 stars and described a technician who arrived promptly and resolved the problem…”
American Mechanical Services
“6 customer reviews yield a 2.3-star average rating, with negative feedback citing significantly extended…”
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 sits within the Los Angeles metro’s mild Mediterranean climate, where summer highs near 84°F and winter lows around 48°F still demand reliable year-round conditioning, and inland Santa Ana winds can push temperatures past 100°F. That variability keeps repair calls steady. Local listings show 25 contractors serving the area, averaging a 3.8 rating across 2,994 reviews; seven advertise 24/7 service for urgent needs. Use hvac-repair Fullerton searches to find available crews quickly.
Detailed cost breakdowns for common top-cost items weren’t supplied in the materials provided, so precise dollar ranges can’t be quoted here. Generally, homeowners should expect repair costs to vary widely by job complexity, parts, and labor; always request itemized estimates. Remember California requires HVAC contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning license from the CSLB, so confirm licensing and ask to see credentials before work begins.
Customer highlight entries were not included in the dataset, so patterns must be drawn from the broader market: prioritize technicians who offer written estimates, clear timelines, and emergency availability if needed. Check the CSLB for C-20 status, read multiple recent reviews to spot consistent praise or recurring complaints, and confirm warranty terms on parts and labor to reduce post-repair surprises.
Frequently Asked Questions
Other HVAC Services in Fullerton, CA
All HVAC Contractors in Fullerton, CA
Complete directory of 56 contractors — browse alphabetically
A–Z
All HVAC Contractors in Fullerton, CA
Complete directory of 56 contractors — browse alphabetically
A
- Advanced Climate Technologies
- AIR COMBAT USA, INC.
- Air Conditioning & Heating Repair
- Air Filter Supply
- Air Mighty Refrigeration and Air Conditioning
- All for your air - air conditioner repair
- All Seasons Cooling & Heating
- American Mechanical Services
- Anderson Air Conditioning L.P.
- Anthony's Reliable Heating & AC
- Avis Plumbing and Air