West Country Heating & Air Conditioning in Hesperia, California, provides the surrounding areas with professional, quality air conditioning service, offering installation and repair. With a full range of heating, ventilation, and air conditioning services, we are proud to provide quality services that keep our customers comfortable. Experience You Can Trust For more than 25 years, we have been providing quality heating and air conditioning installation and repair services throughout the area. With more than 10,000 successful installations in new homes, tract developments, small plazas, large centers, school, and hospitals, West Country Heating & Air Conditioning offers both the resources and experience you can rely on to meet your needs.Established in 1981. West Country HVAC opened in 1981 under Dwayne Stewart as a company that specialized in plumbing with heating and air as another service offered. In 1986, West Country HVAC was purchased by now present owner Mike Petersen and has been a heating and air conditioning centered establishment. In the past 30+ years, West Country has successfully installed, serviced, and replaced over 10,000 systems. In 2010, Mike Petersen's son, Michael Petersen, has since been expanding the services West Country offers and becoming experts in different fields. They now offer professional and expert installation and service with Indoor Air Quality, "Green" Systems and Building Energy Management.