John Betlem Heating & Cooling, Inc. is a family-owned company serving homes and businesses in Rochester, Syracuse, and surrounding New York communities. Founded in 1941, the company provides heating, cooling, electrical, plumbing, and home performance services, with a focus on comfort, energy efficiency, and customer satisfaction.

Its heating and air conditioning services include installation, repair, maintenance, furnaces, boilers, heat pumps, ductless systems, and thermostats. Electrical work ranges from panel upgrades and lighting to EV chargers, home automation, and whole-home generators. Plumbing services cover repairs, drain cleaning, water heaters, sump pumps, fixtures, and water softeners. The company also offers home energy audits, insulation, indoor air quality solutions, and services such as air filtration, humidification, and radon mitigation.

John Betlem provides service agreements through its Advantage Club and offers financing options with approved credit. The company emphasizes in-house technician training and a customer satisfaction guarantee. Its website also features current service specials and information about free or reduced-cost energy upgrades available through New York State programs.