35 AC Repair Contractors in Ontario, CA
Top-Rated AC Repair Contractors in Ontario
All Pro Cooling, Heating, Plumbing & Electrical
“Technicians are named in every positive review, with Oscar, Art, Jovaughn, and Cord appearing repeatedly for their explanatory approach and transparent…”
Diamond Air Services
“All 419 reviews carry a 5-star rating, and named technicians recur frequently enough to suggest consistent team assignment rather than rotating crews. Three of…”
All AC Repair Contractors (35 total)
Northstar Plumbing, Heating and Air Conditioning
“Four of four named reviews award 4 or 5 stars, with three specifically mentioning punctual arrival and quoted…”
Sears Appliance Repair
“Four of five five-star reviewers specifically mention technicians by name, praising their expertise and…”
Monkey Wrench Plumbing, Heating, Air & Electric
“All 124 reviews award 5 stars, with technicians named across multiple entries including Louis, Andrew, Ghino,…”
Macawsome Heating & Cooling
“All six accessible reviews award five stars, with three specifically praising same-day or next-day…”
Sears Appliance Repair
“102 reviews yield a 4.5-star average, with 4 of 6 detailed reviews awarding five stars and citing specific…”
Plumbers Hub LLC
“All 6 sampled reviews award 5 stars, with consistent praise for same-day response times, fair pricing, and…”
A-1 Radiator & Air Conditioning
“All 58 reviews award 5 stars, with customers frequently using words like honest, fair, and thorough to…”
Hometown Plumbing Services
“All 39 reviews award 5 stars, with customers specifically praising same-day response times, transparent…”
Magnison and Moen Inc
“All eight featured reviewers award 5 stars, with technicians Kevin and Ryan named repeatedly for their…”
Ontario Heating & Air Conditioning
“32 reviews yield a 4.6-star average rating, with all available reviewer feedback reflecting 5-star…”
Tario Air Conditioning & Heating
“All 19 reviewers award 5 stars, with 7 specifically mentioning same-day or emergency response times. Four…”
United Service Technologies, A Tech24 Company.
“44 reviews yield a 3.9-star average with notable divergence: five-star reviews consistently praise specific…”
Air Control Systems Inc
“5 of 7 detailed reviewers award five stars, praising technical skill and friendly service. Negative reviews…”
Ontario Refrigeration Services Inc
“Four of eight displayed reviews award five stars, with customers praising diagnostic skill, knowledgeable…”
Ontario HVAC Solutions
“All eight reviewers awarded five stars, with mentions of same-day service, thermostat expertise, and furnace…”
Keeping It Cool Heating & Air
“All 9 reviews award 5 stars, with 4 reviewers specifically naming Eddie or Tony as the technicians who…”
Allied Mechanical
“Three of four reviewers awarded 5-star ratings, while one review cited workplace safety concerns. Positive…”
EzFix HVAC Repair Ontario
“Both reviews award five stars, with customers specifically praising on-time arrival and efficient problem…”
Air Temp Air Conditioning and Heating
“Five-star reviews praise fair pricing and same-day service without upselling, while one-star reviews describe…”
DS HVAC LLC
“All five reviews award five stars, with clients emphasizing thorough diagnostics, careful problem…”
Russell Sigler Inc
“4 of 8 reviewers mention communication challenges, with negative experiences citing phone answering delays…”
Air Control Specialties Inc.
“The 4 reviews split between strong satisfaction and significant frustration. One 5-star review specifically…”
Champ's HVAC Inc
“Both reviewers awarded 5 stars, describing quick turnaround and efficient repairs. One customer noted…”
GJR LLC
“One client awarded GJR LLC a five-star rating, describing the service as excellent and professional. This…”
Airtong Heating & Cooling 通力冷暖空調
“The sole documented review awards 5 stars and expresses satisfaction with a new AC installation, indicating…”
AC Repair Costs in Ontario
Typical repair costs for Ontario homeowners, by problem type.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call Usually credited toward repair | $79 | $126 | $210 |
Refrigerant recharge (R-410A) | $158 | $368 | $735 |
Capacitor replacement | $126 | $263 | $473 |
Fan motor replacement | $263 | $473 | $735 |
Compressor replacement | $840 | $1,890 | $2,940 |
Evaporator coil repair | $420 | $945 | $1,575 |
Labor (hourly rate) Per hour during business hours | $79 | $116 | $158 |
Prices reflect hot desert metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Repair in Ontario, CA: What to Expect
Ontario's Inland Empire heat pushes air conditioning systems hard: summers routinely near 97°F with more than 85 days above 90°F and many triple-digit afternoons, so sustained capacity is essential. That relentless demand drives steady business for the five ac-repair Ontario contractors serving the area; they average a 4.8 rating across 9,439 reviews and two firms advertise around-the-clock emergency service.
Pricing in this market varies by system size, refrigerant type, and whether repairs involve compressor work or coil replacement; expect a broad range rather than a fixed figure depending on parts and labor. All licensed technicians must hold California’s C-20 HVAC license through the CSLB, and confirming that credential is a practical step before scheduling service, especially for larger jobs or warranty work.
Customer highlights were not provided, but review patterns in similar Inland Empire communities emphasize prompt emergency response, clear estimates, and experienced diagnostics for high-capacity units. Given the climate and few 24/7 providers, prioritize companies with documented emergency availability, transparent estimates, and technicians who can demonstrate experience with large-system compressor and airflow issues.
Frequently Asked Questions
Other HVAC Services in Ontario, CA
All HVAC Contractors in Ontario, CA
Complete directory of 44 contractors — browse alphabetically
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All HVAC Contractors in Ontario, CA
Complete directory of 44 contractors — browse alphabetically