Decker & Mattison Co Inc is a full-service HVAC contractor and wholesale distributor based in Hutchinson, Kansas, serving western Kansas since 1930 — now in its 96th year of operation. The company offers comprehensive geothermal heat pump installation and service, with educational content covering both closed-loop ground heat exchange and open-loop well water system configurations for residential and commercial applications. Their service portfolio also includes radiant floor heating, ductless mini-splits, conventional furnaces, boilers, and air-source heat pumps. A wholesale division, Freeman Supply Inc., operates out of the same Hutchinson location for contractor sales. Decker & Mattison is a BBB Accredited Business with an A+ rating, with verified business start date of January 1, 1930 per BBB Business Profile.
Site live: Verified active operator per deckermattison.com + BBB Business Profile (Bundle 3 audit 2026-05-27)
Established HVAC contractor in Hutchinson since 1930 specializing in both closed-loop and open-loop geothermal systems with detailed loop field design expertise for residential and commercial applications across western Kansas.