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24 specialists listed · 23 in Ontario · 20 open weekends · 22 rated 4.5+
Data verified October 16, 2026
Listed for drivers in and around Ontario, CA, these 24 shops list air conditioning work. What each one says about leak testing, recharging and which refrigerant it handles comes from its own website; ratings and quotes come from public reviews.
Of the 24 specialists we list here, 23 are in Ontario itself and 1 comes from Corona (13 mi). The specialists on this page are rated from 4.2 to 5.0 across 2,349 reviews; 8 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these specialists on specific qualities, they most often praise professionalism (91%), quality (83%) and value (74%). 20 are open on Saturdays. 1 lists staff certifications (ASE) and 11 have a BBB rating of A or A+. 12 have ten or more years of experience, the longest 46 years. 2 offer financing; 2 are family- or locally-owned and 2 list coupons or special offers. We have a website on file for 7 of the specialists on this page; 3 publish a contact page; 1 lists a public email and 2 take bookings online. We count these figures across the specialists on this page; distances are straight-line, and hours and prices change, so confirm the details with the specialist before you visit.
2 of the 24 shops on this page take bookings online. Book the diagnosis rather than the recharge. If you buy a recharge off a menu and the system has a leak, you have paid for refrigerant that will be gone before the season ends.
