Glenmont Heating & Air Conditioning
Glenmont Heating & Air Conditioning is a HVAC provider serving Rockville, MD. Rated 4.9★ with 428 Google reviews. See services, review signals, and request a quote.
HVACRockville, MD
On this page
Company overview
- TradeHVAC
- Service areaRockville, MD
- Google rating4.9★ (428 reviews)
- Phone(301) 468-2665
- Address2267 Lewis Ave, Rockville, MD 20851, USA
Photos
Photos from Glenmont Heating & Air Conditioning, Lea Ko, Johnny
What customers say
“This has been a crazy weather week and somehow we were able to get immediate help! Everyone involved has been courteous professional and a great pleasure to work with! Judy handled all of the admin pa…”
“Glenmont H&AC was able to send a technician to us for our air handler problem right away - just hours after my call to them in the morning. Our problem was diagnosed and taken care of quickly and effi…”
“Our boiler broke earlier tonight - on the coldest night of the year! We called Glenmont and spoke to their technician Haddon, who correctly diagnosed the problem over Facetime, opened up their parts w…”
“About 4 months ago I had Glenmont HVAC install a ductless mini split unit in my upstairs bedroom. I have a Cape Cod-style house and the central AC never really cooled the upstairs much at all. I got t…”
“We have used Glenmont for years, always great service, very professional and knowledgeable technicians. Their recommendations on fixes/replacements are always fair and only when truly needed. One of t…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (428 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 Glenmont Heating & Air Conditioning offer?
Glenmont Heating & Air Conditioning provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Rockville, MD.
What is Glenmont Heating & Air Conditioning's rating?
Glenmont Heating & Air Conditioning has a 4.9 out of 5 star rating based on 428 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 Glenmont Heating & Air Conditioning 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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