Harster Heating & Air Conditioning

Harster Heating & Air Conditioning has been in business for 62 years. Harster is experienced in servicing all types and brands of heating and air conditioning equipment. Harster has 24 radio dispatched vehicles on the street with licensed and trained service and installation technicians to serve you. Harster offers sales and service of furnaces, air conditioners, evaporator coils, humidifiers, thermostats, heat pumps, water heaters, ductwork, residential and commercial, compressors/heat exchangers, and low pressure boilers (steam or hot water). We offer free estimates on the installation of new equipment; a free second opinion on a condemned compressor or heat exchanger by another HVAC company; and Planned Service Agreements on most types and brand of heating and air conditioning equipment. Harster provides emergency service at night and on Holidays and weekends. We are here to service you 24 hours a day, 7 days a week so that you will never have to experience an uncomfortable moment. Harster is a member of the Better Business Bureau (BBB), Air Conditioning Contractors of America (ACCA) and Angie’s List. We proudly serve the following St Louis communities: Affton, Lemay, Mehlville, Concord, Crestwood, Kirkwood, Webster Groves, Brentwood, Des Peres, and the surrounding areas.