28 HVAC Service Contractors in Ontario, CA
Top-Rated HVAC Service 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 HVAC Service Contractors (28 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…”
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…”
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…”
US Air Conditioning Distributors
“Six of eight reviewers praise the knowledgeable staff and fast service, with Matthew Gross noting a…”
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…”
Mr Pro Service electrician
“Eight of ten reviewers awarded five stars, praising specific technicians like Naser for fire alarm repair and…”
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…”
Baker Distributing Company
“Two customer reviews show divergent experiences: a five-star review from Dane Justus praises reliable service…”
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…”
HVAC Service Costs in Ontario
General HVAC service pricing across maintenance, repair, and installation in Ontario.
| Service | Low | Average | High |
|---|---|---|---|
Service call / diagnostic | $79 | $126 | $210 |
Routine tune-up (single system) | $74 | $131 | $210 |
Standard repair (avg) | $158 | $630 | $1,260 |
Major repair (compressor, heat exchanger) | $1,575 | $2,625 | $3,675 |
New system installation (mid-range) | $6,825 | $11,025 | $14,700 |
Full HVAC replacement AC + furnace combined | $12,170 | $14,102 | $14,805 |
Prices reflect hot desert metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Service in Ontario, CA: What to Expect
Ontario lies in the heart of Southern California's Inland Empire, where summer temperatures routinely climb past 97 degrees with more than 85 days surpassing 90 and a handful breaking the 100 mark , noticeably hotter than the coastal basins nearby. This sustained dry heat, paired with winter lows dropping to the upper 30s between November and February, creates year-round demand for reliable climate control. Five contractors provide HVAC Service in Ontario to this market, averaging a 4.8-star rating among thousands of reviews.
Homeowners should expect to pay between $79 and $210 for a service call and diagnostic, between $74 and $210 for a routine tune-up on a single system, and between $158 and $1,260 for a standard repair depending on the issue. These pricing reflects the complexity of diagnosing and repairing modern high-capacity systems designed to handle prolonged triple-digit heat. California law requires any contractor performing warm-air heating, ventilating, or air-conditioning work to hold a C-20 license from the Contractors State License Board.
Customer reviews point to a pattern: technicians who explain systems in plain language and walk homeowners through findings earn repeated recommendations. At one highly rated company, specialists like Oscar and Cord are cited in reviews for their explanatory approach and transparent pricing, with same-day and emergency service options available. At another provider, a technician named Ryan drew specific mention for using multimeter readings and component mapping to verify system status before recommending repairs , the kind of thoroughness that customers consistently praise.
Frequently Asked Questions
Other HVAC Services in Ontario, CA
All HVAC Contractors in Ontario, CA
Complete directory of 33 contractors — browse alphabetically
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All HVAC Contractors in Ontario, CA
Complete directory of 33 contractors — browse alphabetically