HVAC company · Rockville, MD

One Hour Air Conditioning & Heating®

4.8 from 387 Google reviews#24 of 49 HVAC companies near Rockville Last updated Nov 1, 2026
72SCORE

At a glance

Trades
HVAC
Address
1010 Rockville Pike Ste 302, Rockville, MD 20850

How the 72 score breaks down

Rating quality36.0 / 45
Review volume18.6 / 25
Review recency15.0 / 15
Years in business2.5 / 10
Verified license0.0 / 5

Scores are calculated the same way for every company. See the method.

What customers say

5★
357
4★
18
3★
2
2★
2
1★
8

MR Gilmer provided excellent service and expertise.

Google review, Oct 28, 2026

My technician, Chris Dailey is a “SUPERSTAR “. He was kind and very respectful, professional and informative. He explained everything and showed me exactly what he was doing as he was doing it. I appreciate him and the service he provided. Honestly, I only want him to service my heat/AC for in my opinion, he is by f…

Google review, Oct 22, 2026

Mr Gilmer was helpful and patient explaining the system’s functioning

Google review, Oct 15, 2026

Read all 387 reviews on Google

Rating distribution and reviews from the company's public Google listing.

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