32 HVAC Maintenance Contractors in Ontario, CA
Top-Rated HVAC Maintenance 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 Maintenance Contractors (32 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…”
Macawsome Heating & Cooling
“All six accessible reviews award five stars, with three specifically praising same-day or next-day…”
Citrine Hills
“Of 5 sampled reviews, all award 5-star ratings, with each mentioning at least one staff member by name.…”
Avante
“Of 4 available reviews, all 4 are 1-star ratings citing significant concerns: management transitions…”
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…”
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…”
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…”
General TrueVent Air Contractor Ontario
“Four of five reviewers awarded five-star ratings, with specific praise for thorough dust removal, polite…”
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…”
HVAC Maintenance Costs in Ontario
Routine tune-up and maintenance plan pricing for Ontario homeowners.
| Service | Low | Average | High |
|---|---|---|---|
Single AC tune-up | $74 | $131 | $210 |
Single furnace tune-up | $84 | $142 | $231 |
Full HVAC inspection | $158 | $289 | $420 |
Annual maintenance plan Includes 2 visits/year + discounts on repairs | $126 | $252 | $378 |
Premium maintenance plan Priority service + free diagnostics | $210 | $368 | $525 |
Duct cleaning (full home) | $315 | $499 | $840 |
Filter replacement (per filter) | $16 | $37 | $79 |
Prices reflect hot desert metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Maintenance in Ontario, CA: What to Expect
Ontario’s summers are among the Inland Empire’s most demanding for cooling, with regular 97°F highs, many 90°+ days and dry desert air that pushes systems hard. Those extremes drive steady demand for hvac-maintenance Ontario, supported locally by five contractors averaging a 4.8 rating across 9,439 reviews; two of those firms advertise 24/7 service for emergency relief.
The dataset didn’t include specific top-cost line items, so expect prices to vary with scope: routine tune-ups, refrigerant and coil service, and major work such as compressor or system replacements all move the needle. California requires HVAC contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning license from the CSLB, so confirm licensing and detailed written estimates before authorizing work to avoid surprises.
Customer highlights were not provided, so focus on market signals and review patterns instead: prioritize companies with high review counts and clear maintenance plans, note whether a provider offers emergency response (helpful in extreme summer heat), verify warranties, and ask for the names and experience of the technicians who will perform recurring service.
Frequently Asked Questions
Other HVAC Services in Ontario, CA
All HVAC Contractors in Ontario, CA
Complete directory of 44 contractors — browse alphabetically
A–Z
All HVAC Contractors in Ontario, CA
Complete directory of 44 contractors — browse alphabetically