fbpx Skip to main content

About John Lock Air Conditioning & Heating Service Inc.

We are a third generation air conditioning & heating company based in Buffalo, NY. 

Our management team offers over 60 years of combined experience. We are qualified to handle all of your needs.

We specialize in the design, installation and service of heating, cooling and indoor air quality equipment for both residential and commercial properties.

Our Installation foremen each have 25+ years of experience. The installation crew members each have about 15 years of HVAC experience.

Our service technicians have been with John Lock Air Conditioning and Heating for over 30 years.

Customer satisfaction:

“Very pleased with the installation and the performance of the furnace. Also, appreciate that Mike (Lock) was promptly responsive to my calls and emails.”
– Joe (West Seneca)

“I felt confident in going with a company who has been in business as long as John Lock has.”
– Barbara (West Seneca)

“I have been a John Lock client for almost 50 years and completely rely on their recommendations and service.”
– Irene (Williamsville)

“You should be proud of the quality and service provided by your employees.
– Mary (Cheektowaga)