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John Lock Air Conditioning & Heating Service Inc.

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3120 Genesee St

Buffalo, NY 14225

+1 (716) 894-6400

http://johnlockheating.com

John Lock Air Conditioning and Heating Service Inc. is a third generation company. We have been serving customers for almost 50 years. Keeping your heating a cooling system efficiently functioning is easier than your 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.

Reviews

3.58 reviews

W. W.

3/20/2019

Wow with a capital W!!! Today John Lock installed a split system AC unit at our home and what a super job! First thing is the rolled out the tarp for walking and fallen debris. I cannot express...

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Jorn H.

11/11/2025

We called John Lock to service our furnaces. They gave us an appointment time window, never showed up, never called. It was very difficult to reach anybody as they were "trying out" their new AI...

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Gary M.

11/22/2014

I had John Lock put in a stand by generator at my home a few years ago. I've had a considerable amount of problems with it. When I called John Lock, I was told that they only repair or replace the...

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Genoprizebull P.

10/7/2020

I think I got a fair price for the installation of a new furnace. Everyone that I interacted with from the first phone call up until installation was knowledgeable , professional , respectful and...

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Andrea D.

6/26/2020

Terrible service. This year our air conditioning unit wasn't working properly and since we have the service plan, we had two service men come out to look at the unit and both did nothing to help...

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