Diablo Valley Heating & Air Conditioning

Since 1985, our highly trained technicians have served the greater Bay Area, providing 24-hour fast service, 7-days a week, on all makes and models of refrigeration, air conditioning, heating, ventilation and boiler systems. It is our mission to provide every single customer high quality, fast service with integrity. Our owner-operated business strives to provide you with a positive experience from the moment our service technician arrives at your home or place of business. Your comfort, safety and satisfaction are our number one concerns.

Get to know our family owned and operated business. Air Tech Heating & Air Conditiong Service Company is family owned and has been in business for over 21 years here in the San Joaquin County.Kim Prato and her husband are the owners, along with their son Alex and the occasional help from their daughter Amelia. We are known throughout the community for being an honest and trustworthy company. Walt and our team of technicians are very knowledgeable in HVAC. We are prideful of the fact that our technicians are servicemen, NOT salesmen. We won't sell you something you don't need.Our techs have been with us for quite some time now. We are a Certified Woman Owned Company. We received an A+ rating from the Better Business Bureau and have been doing work for the P.G. & E. low income program for over 10 years.We specialize in commercial service, repairs, installs, and service contracts. We also work on commercial air driers and refrigeration. We also install and service ductless sytems and heat pumps.We service the San Joaquin County, Stanislaus, Sacramento, and the surrounding areas.