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

Since 1941, John Betlem Heating & Cooling has been the go-to HVAC services provider for Hamlin, NY and surrounding areas. From heating and cooling to electrical services, indoor air quality enhancements, home performance upgrades, and beyond, our expertise has grown alongside our many satisfied customers. Our reputation for excellence, versatility, and a satisfaction guarantee ensures that we deliver the best in home comfort solutions. Whether you need a new system installed, an older system tuned-up, or emergency repairs, our skilled technicians are dedicated to exceeding your expectations and ensuring optimal home comfort.

Proudly we serve all our neighbors in Hamlin, from Benedict Beach to Kendall Mills and everywhere between. Contact us today to schedule service or request a consultation.

Hamlin New York lake shore
girl and mother enjoying sunny morning

Discover our complete range of home comfort solutions offered in Hamlin, NY.


We provide top-tier Carrier® heating system installations, reliable maintenance, and expert repairs to keep you warm throughout Hamlin winters.

Air Conditioning

Trust us for dependable cooling solutions featuring Carrier® and Mitsubishi® products, plus maintenance and repairs for any make or model.


From safety inspections to EV charger installations and beyond, our skilled electricians handle everything with precision.

Heat Pumps

Our specially trained technicians offer expert heat pump installation, maintenance, and repair services tailored to your needs.

Ductless Mini-Splits

Enjoy efficient heating and cooling with our ductless mini-split services.

Indoor Air Quality

Breathe easier with our advanced indoor air quality products designed to purify your home's air.

Water Heaters

Choose from a variety of water heater models and rely on our expertise for installation, maintenance, and repair.


Count on us for dependable, safe, and efficient furnace solutions.


Whether you need repair, installation, or maintenance, our skilled technicians provide prompt, professional boiler services.

Radiant Heating

Experience cozy warmth throughout your home with our radiant heating systems.

Oil to Gas Conversions

Enhance your comfort and energy efficiency with a seamless oil to gas conversion.

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

Take advantage of current New York State programs aimed at improving home comfort and reducing energy bills! Let us help you get qualified.

HVAC products

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.

We're dedicated to providing all our customers with exceptional service and support. Contact us today at 585.326.4767 to schedule service in Hamlin, NY or surrounding areas.