Cornett Heating & Cooling
Cornett Heating & Cooling is a HVAC provider serving Glen Burnie, MD. Rated 5.0★ with 978 Google reviews. See services, review signals, and request a quote.
HVACGlen Burnie, MD
On this page
Company overview
- TradeHVAC
- Service areaGlen Burnie, MD
- Google rating5.0★ (978 reviews)
- Phone(410) 801-7771
- Address104 Ritchie Hwy, Pasadena, MD 21122, USA
Photos
Photos from Cornett Heating & Cooling, Kyle Berkeridge
What customers say
“I'm so grateful to everyone at Cornett Heating & Cooling and big shout out to Julie, Zach, Will, Ryan and Rick! Everyone is so great to work with and they're such as awesome team together! I had a hu…”
“Friday we woke to find that our heat had gone out overnight with an outdoor temperature below freezing predicted all weekend. On a friend’s recommendation I called Cornett’s Heating and Cooling. I cal…”
“Very responsive and professional from start to finish. I was very impressed with every employee that I met. I had a new heat pump and air handler installed in less than 48 hours after initial phone co…”
“DO NOT USE THESE PEOPLE. I read the first review who probably worked there and I was duped. They charged $135.00 just to come to my place. They disconnected the electric to my mini split, left and the…”
“Cornett heating is the best. They came quickly and diagnosed the problem within 15 mins. Ordered the part 25 mins later and picked up the part and back at my house in little over an hour and all of …”
Key highlights
Strengths
- Highly rated (5.0★ average)
- Large review volume (978 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 Cornett Heating & Cooling offer?
Cornett Heating & Cooling provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Glen Burnie, MD.
What is Cornett Heating & Cooling's rating?
Cornett Heating & Cooling has a 5.0 out of 5 star rating based on 978 Google reviews.
Is this company licensed in Maryland?
All listed providers have a verified Maryland contractor license at time of publication. You can verify on the Maryland Department of Labor — Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors (HVACR Board) lookup at https://www.dllr.state.md.us/cgi-bin/ElectronicLicensing/OP_Search/OP_search.cgi?calling_app=HVAC.
Does Cornett Heating & Cooling 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 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Maryland Department of Labor — Board of Heating, Ventilation, Air-Conditioning, and Refrigeration Contractors (HVACR Board) · Company data: verified business records + Google Business profile
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