John Lock Air Conditioning & Heating Service Inc.
John Lock Air Conditioning & Heating Service Inc. is a HVAC provider serving Cheektowaga, NY. Rated 4.8★ with 162 Google reviews. See services, review signals, and request a quote.
HVACCheektowaga, NY
On this page
Company overview
- TradeHVAC
- Service areaCheektowaga, NY
- Google rating4.8★ (162 reviews)
- Phone(716) 894-6400
- Address3120 Genesee St, Cheektowaga, NY 14225, USA
Photos
Photos from Melissa Keith, Ryan Lock, Stephanie Kalliantasis
What customers say
“I called John Lock because of a heating issue with our furnace . They returned my call with a quick response, eager to help. A friendly technician came in a reasonable amount of time, serviced the f…”
“I have the annual service membership and had two checks during 2025 (one summer for AC and one winter for furnace) which were both just replaced by John Lock in April of 2025. They performed a clean/r…”
“We have used their services twice now. Everyone is so honest, trying to work to keep our old furnaces working and Chris really takes the time to talk over options. No pressure. When we did replace our…”
“We had NO heat on one of the coldest days of the year. Although John Lock HVAC was swamped all day, Brennon still made an emergency service call, and he worked late (beyond normal business hours) unti…”
“John and Lock have been servicing my heating and air conditioning unit for decades. The previous owner of my home also was a customer of John and Lock. I have referred them to family members and we'…”
Key highlights
Strengths
- Highly rated (4.8★ average)
- Large review volume (162 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does John Lock Air Conditioning & Heating Service Inc. offer?
John Lock Air Conditioning & Heating Service Inc. provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Cheektowaga, NY.
What is John Lock Air Conditioning & Heating Service Inc.'s rating?
John Lock Air Conditioning & Heating Service Inc. has a 4.8 out of 5 star rating based on 162 Google reviews.
Is this company licensed in New York?
All listed providers have a verified New York contractor license at time of publication. You can verify on the New York Department of State (consumer protection) plus local licensing (NYC DCWP, county Consumer Affairs) lookup at https://a858-elpaco.nyc.gov/CitizenAccess/.
Does John Lock Air Conditioning & Heating Service Inc. offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: New York Department of State (consumer protection) plus local licensing (NYC DCWP, county Consumer Affairs) · Company data: verified business records + Google Business profile
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