Action Air Conditioning & Heating Installation of Temecula is a trusted local air conditioning repair service and HVAC contractor serving Temecula and Murrieta. Founded in 1975, we offer you a full range of HVAC services which include air conditioning installation and replacement, air conditioning service, heating installation and replacement and heating service, as well as solar installation. We've been voted San Diego's Favorite Local HVAC Contractor in Union-Tribune reader poll in 2017. Our unique offering includes NATE-certified technicians, 100% Satisfaction Guarantee, 24/7 Emergency service and No-Money Down financing. Call us!