HVAC, Electrical, and Home Performance Services in Marion, NY

Are you seeking a dependable home services contractor in Marion, NY? Look no further than John Betlem Heating & Cooling! Since our inception in 1941, we have proudly served as the premier provider of HVAC solutions in the area. Over the decades, our expertise has expanded beyond traditional heating and cooling to encompass electrical services, indoor air quality enhancements, and comprehensive home performance upgrades. Our team of highly skilled technicians sets the standard with their commitment to excellence, integrity, and technical proficiency in every project. Contact us today and discover why we're Marion’s preferred choice for home comfort solutions.

HVAC products

Explore our diverse range of specialized services tailored for Marion residents.


From high-efficiency Carrier® system installations to tune-ups and emergency repairs, we deliver robust heating solutions designed to optimize comfort and energy efficiency.

Air Conditioning

Trust us for reliable cooling solutions featuring top-tier Carrier® and Mitsubishi® products, complemented by meticulous service and repair options for all AC systems.


Our certified electricians offer a full spectrum of services, from safety inspections to complex wiring installations, ensuring your home's electrical systems are safe, efficient, and up to code.

Heat Pumps

Rely on our specialized technicians for expert installation, maintenance, and repair of heat pump systems, tailored to meet your specific climate control needs.

Ductless Mini-Splits

Experience enhanced comfort and energy savings with our ductless mini-split solutions.

Indoor Air Quality

Breathe easier with our modern indoor air quality products, including air purifiers and ventilators, designed to purify and refresh your home's air.

Water Heaters

Choose from a variety of high-efficiency water heater models and benefit from our comprehensive services.


Count on us for safe and reliable furnace services, ensuring your home stays warm and comfortable during harsh Marion winters.


Our skilled technicians deliver prompt boiler solutions to keep your heating system operating at peak performance.

Radiant Heating

Enjoy consistent, efficient warmth throughout your home with our advanced radiant heating solutions.

Oil to Gas Conversions

Upgrade your home's energy efficiency with our seamless oil to gas conversion service.

Save up to $16,200 on insulation, heating and home performance upgrades with John Betlem

Take advantage of current New York State programs designed to enhance home comfort and reduce energy costs for Marion homeowners. Let us assist you in navigating these opportunities and maximizing your savings!

happy family

Get free and half-price upgrades to help pay for:

  • Insulation & Air Sealing
  • Home Heating
  • Water Heaters
  • LED Light Bulbs
  • Advanced Power Strips

Choose John Betlem for all your HVAC and electrical needs in Marion, NY.

We are committed to providing exceptional service and technical expertise to ensure your home remains comfortable and energy-efficient year-round. Contact us today at 585.326.4767 to learn more about our comprehensive solutions and how we can elevate your home comfort experience.