#1 EMT-HVAC
Murrieta (French Valley side) · Licensed since 2018
Veteran-owned Murrieta heating and air conditioning company, founded by U.S. military veteran Earnest, serving homes around Murrieta and Temecula.
24/7
Best 24-hour emergency HVAC companies in Temecula, CA
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#2 Encore Plumbing & Air
Murrieta · Licensed since 2019
Family-owned Murrieta plumbing and HVAC company that repairs and installs air conditioning and furnaces for homes and businesses in the Temecula Valley.
24/7
#3 Affordable Heating and Air Conditioning
Murrieta · Licensed since 2024
Family-owned Murrieta company, in business since 1995, that repairs, installs and maintains home heating and air conditioning around Temecula and Murrieta.
24/7
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Rankings follow our published criteria (see How we rank). License details come from the California Contractors State License Board (CSLB); services, hours and prices from each company's own website. Confirm prices and availability with the company.
About HVAC in Temecula
Temecula sits inland in southwest Riverside County, and at the long-running Elsinore weather station about 25 km to the north-west July and August highs average 98°F while January nights average about 36°F, so homes here need both reliable cooling and heating. California licenses HVAC contractors through the Contractors State License Board (CSLB) under the C-20 warm-air heating, ventilating and air-conditioning class. Ranked by license record and years licensed, never by payment. Checked 28 October 2026.