Harster Heating & Air Conditioning

Contact Us





    Split & WindowAbundant model lineups offer the comfortable air conditioning environment to you in various assumed installation scenes.

    Multi Type SystemMulti split air conditioning system corresponding to possible installation in 2 - 5 rooms for one outdoor unit. You can select from some kinds of air conditioners corresponding to the interior design and installation environment.

    Airstage™ (VRF Systems)VRF SYSTEM is large scale and high performance multi air conditioning system for buildings.

    VentilationEffective heat exchange and simultaneous fresh air ventilation. High Efficiency and low noise levels are achieved by using a highly efficient heat exchange process. A comfortable air conditioned space is achieved by conveniently selecting whether to use heat exchange or normal ventilation setting, according to the requirements of the conditioned space.

    Air to WaterWATERSTAGE™ is a safe, comfortable, and efficient water heating system by adopting heat pump technology that utilizes the heat in the air.


    To learn more, call us today at 314-631-5300 or email us here. We will reply within 24 hours, Monday-Friday.

    For home or business, heating and cooling and installation.

    Call Harster for a free estimate.


    Send us an email!

      Contact Us

      9900 Gravois Road

      St. Louis, MO 63123

      Sign Up For Our Newsletter!

      Get exclusive offers and energy saving tips.

      We respect your privacy. Your email address will NOT be shared or sold.