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24 companies listed · 23 in Rancho Cucamonga · 5 open 24/7 · 14 open weekends · 19 rated 4.5+
Data verified October 18, 2026
The 24 companies listed for Rancho Cucamonga, CA work on furnaces, heat pumps and air conditioners. Each profile repeats what the company publishes about its hours, its license and the equipment it fits, alongside ratings and quotes drawn from public reviews.
Of the 24 companies we list here, 23 are in Rancho Cucamonga itself; the other one does not publish an address. 23 of the companies on this page have a rating, from 4.0 to 5.0 across 938 reviews; 3 have 50 or more reviews and 19 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (84%) and punctuality (82%). The topics that come up most in reviews of the companies on this page are "price", "cleanliness" and "communication". 5 are open around the clock; 14 are open on Saturdays and 8 on Sundays. 8 show a license on their websites; 3 list staff certifications (NATE) and 5 have a BBB rating of A or A+. Domain records put 19 websites of the companies on this page at ten or more years old; the oldest dates from 1997. 6 offer emergency call-outs; 3 offer financing or payment plans; 5 give free estimates; 6 are family- or locally-owned and 4 list coupons or special offers. 1 has Spanish-speaking staff. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Round the clock availability appears in 5 of the 24 listings on this page. An overnight visit is usually a diagnosis and a temporary fix, since supply counters are shut until morning. Ask what the after hours call out is before the truck leaves.
