Trusted Heating and Air Conditioning Contractors for Over 33 Years

Allison Air Conditioning offers the most reliable residential and commercial heating and air conditioning service solutions to clients in Corona, Riverside, Norco, Chino, Chino Hills, Ontario, Yorba Linda, Anaheim Hills, Fontana, and surrounding California areas. We have more than 31 years of experience in the cooling and heating business, and a dedication to the best possible service for our customers. Our dependability, professionalism, and quality of service have earned us a large portfolio of loyal clients and referrals. We have also earned a solid reputation for doing the job right the first time.