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Celebrating Fifty-Five+ Years Serving Western New York

We’re Hiring!

  • Immediate openings are available – Installers & Service Technicians
  • Full time positions averaging 40 hours/week.
  • Competitive wages and benefits.
  • Experience of 3-5 years OR Mechanically inclined people that are willing to learn a new trade.
  • Clean drivers license and transportation to our offices.


Please contact Mike Lock directly:
Text 716-570-2625
Call 716-894-6400
Email resume to M.Lock@johnlockheating.com
All inquiries are strictly confidential.

Keeping Buffalo’s Homes Comfortable since 1967

John Lock Air Conditioning and Heating Service Inc. is a third generation company. We have been serving customers for 55+ years! Keeping your heating and cooling system efficiently functioning is easier than you think when you choose John Lock Air Conditioning & Heating Service Inc.

We go the extra mile to ensure that all of your needs are met through a well-serviced HVAC system. There’s no service request that our skilled and punctual team of heating and cooling technicians cannot handle. You can expect to receive quality workmanship and efficient service. 

When you choose John Lock Air Conditioning and Heating Service for your HVAC needs, not only can you expect premium products installed at a fair and reasonable price, but also service and maintenance for your system during its lifetime with the same expectation of quality work and fair pricing.

Reach out to our office today to schedule a service appointment or request a free estimate on a new system.