Since 2006, John’s Mechanical Services have been serving Marion and surrounding areas; We are family-owned and operated. We have provided commercial  and residential HVAC services and commercial refrigeration since the beginning. In February of 2024, John earned is Building Analysis - Professional certification. Since then, we have provided residential and commercial clients with building envelope assessments  and blower-door testing. We provide solutions to increase the efficiency of homes or businesses. In 2025, we brought on our Foam Tech Energy & Insulation services. This includes blown-in and expanding foam insulation, crawlspace encapsulation, and dehumidification. We since 2006. John and his wife Brynne, provide professional services to commercial, industrial, and residential sectors. John's wife, Brynne, has assisted John in running their business for over 30 years. We take pride in providing quality, personal, friendly service and installation on each project regardless of size. We install, service, and maintain commercial and residential HVAC equipment; including heat pumps, boilers, air conditioning units, furnaces and air handlers, ductless mini-splits, roof top units, radiant tube and unit heaters, along with a full line of indoor air quality products for residential and commercial applications. We also maintain, service and install commercial refrigeration, exhaust hoods, and make-up air units. Our highly skilled team services and installs boilers, fabricates custom sheet metal and duct work, installs and services commercial refrigeration, kitchen hoods and ice machines. We service all brands of equipment. We offer a 100% satisfaction, money-back guarantee.