St. Louis Water Heaters Manufacturers 9900 Gravois Road Harster Heating and 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). Harster offers free estimates on the installation of new equipment. Harster also offers a free second opinion on a condemned compressor or heat exchanger by another HVAC company. Harster also offers Planned Service Agreements on most types and brands 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 Angies List. St. Louis MO Water Heaters Manufacturers Harster Heating and Air Conditioning www.harsterheating.com hvac air conditioning cooling heating furnaces hvac air conditioning cooling heating furnaces Business Reviews Harster Heating and Air Conditioning Testimonials