John Betlem Heating & Cooling, Lang Heating & Cooling Announce Merger

John Betlem Heating & Cooling is pleased to announce that we have merged with Lang Heating & Cooling. The two companies are now conducting business together under the John Betlem name.

At John Betlem, we are dedicated to serving all of our customers professionally, promptly and with their comfort in mind. If you are a former Lang Heating & 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). Although we will now operate as one company, you can rely on the same professional service you’ve always enjoyed from Lang.

We are pleased to serve former Lang customers in the Webster and Canandaigua areas. We proudly offer a broad range of complete HVAC services to meet your needs:


Please feel free to browse our website to learn more about the numerous services we offer, and how we can help you get the home or office HVAC services you need to enjoy optimal comfort. If you have any questions or concerns, please call us at (585) 357-0415. For those in the 315 area, please be sure to include our 585 area code to ensure we receive your call. We look forward to providing you with the excellent service and quality home and office comfort products you deserve.