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

Looking for a reliable home services contractor in Ontario, NY? Look no further than John Betlem Heating & Cooling! Since our start in 1941, we've been the trusted experts in heating and cooling for the area. But we've grown a lot since then. Now, we offer a wide range of services beyond HVAC, including electrical work, indoor air quality solutions, and more, all designed to make your home more comfortable and efficient. We emphasize personalized service, understanding that every home has unique comfort needs. As a full-service provider, we’ll make sure you get the best solution, whether that’s an emergency repair, new equipment installation, or preventive maintenance.

Contact us today to request a consultation or schedule service anywhere in the Ontario area, from Fruitland to Lakeside, Ontario on the Lake, Bear Creek, Furnaceville, and everywhere between.

HVAC products

Explore our variety of services in Ontario, NY.


Whether you need a new heating system, tune-up, or repairs, we've got you covered with top-notch solutions.

Air Conditioning

From installing leading air conditioning systems to keeping them running smoothly with repairs and maintenance, we ensure your home stays cool.


Our skilled electricians handle everything from safety inspections to installing modern technologies like EV chargers.

Heat Pumps

Learn about our expertise in heat pumps, a great option for efficient heating and cooling.

Ductless Mini-Splits

Discover the benefits of ductless systems for targeted heating and cooling, along with our comprehensive service offerings.

Indoor Air Quality

Explore our range of IAQ products designed to improve air quality and create a healthier home environment.

Water Heaters

Choose from various water heater models and rely on our expert services.


Trust our team for effective furnace solutions, ensuring your home stays warm during the coldest months in Ontario, NY.


From repairs to replacements, our technicians deliver prompt and professional boiler services.

Radiant Heating

Experience the comfort of radiant heating systems that evenly distribute warmth throughout your home.

Oil to Gas Conversions

Upgrade your home's energy efficiency with our seamless conversion services.

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

There are great programs being offered in New York State right now that can help you save money and improve your home's comfort. Let us help you navigate these opportunities!

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

Contact John Betlem for all your HVAC and electrical needs.

We're committed to providing exceptional service and support to ensure your Ontario home remains comfortable and efficient. Contact us today at 585.326.4767 to learn more about our services and how we can help you achieve the best possible home environment.