We are more than just HVAC, we provide service sales, and installation for water heaters, home air quality, and natural gas lines. We are a local, family-owned company consisting of certified HVAC and mechanical technicians, available 24 hours for Ann Arbor homeowners and businesses. Give Trusted a call today! We look forward to being your TRUSTED heating and cooling professionals for a lifetime!

4 Seasons has dedicated its energies to servicing our customer's furnace repair, air conditioning repair, and furnace and air conditioning installation needs for twenty-seven years and running. We are a licensed HVAC heating contractor specializing in furnace and air conditioning repair and installation in the Ann Arbor and Jackson areas. Furnace repair, heat pump service, and boiler repair and installation are services we provide. We are also a licensed refrigeration contractor as well as a refrigeration repair company. Heating systems contracting and energy management systems are part of the scope of our work. walk-in coolers and walk-in freezers as well as reach-ins and display cases are serviced by our installation and repair crews.