CALL FOR SERVICE: (585) 271-8888



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Let Our Family Help Yours

When you need help with your home comfort system, you can count on John Betlem Heating & Cooling. We’re pleased to provide you with HVAC repair, maintenance and installation services. We’ll help you stay cool and comfortable in the summer, and warm and toasty in the winter. And, we back it up with a 100% customer satisfaction guarantee.

0% APR Financing for up to 60 Months

Heating and cooling is an important and major investment for your home. We also understand that sometimes people are forced to replace their furnace or central air conditioning system before they are fully prepared to do so.

We offer financing with approved credit to allow you to pay over time.

Looking for an Estimate?




The John Betlem Difference

We promise to make you more comfortable and save you more money. We’ve been family owned and operated for more than 75 years. You can trust our team of experts to provide the best recommendations for your needs, and to complete every job to your satisfaction. When you choose us, you’ll get unbeatable customer service, quality, energy-efficient equipment, and the innovative solutions you need for the most comfortable home possible.

We Promise Five Star Service

…dedication and professionalism…

“I have always been very pleased with the dedication and professionalism of those who are on your team. Thank you!“ P.R. – Brockport, NY

We always have a good experience…

“We always have a good experience with Betlem’s so we continue to use them.”
D.L. – Rochester, NY

…polite, knowledgeable, and helpful.

“The technician was polite, knowledgeable, and helpful. He educated us instead of just doing things himself, which we appreciated.”
L.D. – Webster, NY


Welcome to John Betlem Heating and Cooling, Inc.

We are pleased to announce that Lang Heating and Cooling has merged with John Betlem Heating and Cooling, Inc. and we are now conducting business together under the name John Betlem Heating and Cooling, Inc.

John Betlem Heating and Cooling, Inc. has been a family owned and operated business serving the Rochester area for over 75 years, and we proudly hold similar values and philosophy for doing business that you have come to expect with Lang Heating and Cooling.

If you are a Lang Heating and Cooling customer, we will honor all present Service Plans with the exception of oil, as well as all warranties on previously installed HVAC equipment from Lang Heating and Cooling. Though we will now operate as one company, you can rely on the same professional working relationship you have always enjoyed.

If you have any questions or concerns, please call us at 585-271-8888. For those of you in the 315 area, please be sure to include 585 to ensure we receive your call. We look forward to providing you with the excellence and quality you deserve!

Thank you,

Kathy Betlem, Vice President