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One Hour Heating & Air Conditioning® of Northern Virginia

4.6
(518 Reviews)

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Written by real people like you

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Michelle Frank Profile Image

Michelle Frank

(a week ago)

"After the AC stopped running I sent a service request to One Hour Heating & AC (Modern Mechanical) on Sunday night and they had a tech out the very next morning. Scott came to check on the system and very quickly diagnosed the issue. He was an absolute pro! He clearly explained what the problem was, told me what to watch for in the future, and was able to get my system up and running smoothly again in about an hour. Service like this is why I have been using one Hour/Modern Mech since they replaced my systems 10+ years ago. Thanks Shawn & Scott!"

Jason Brown Profile Image

Jason Brown

(2 weeks ago)

"I was concerned after reading some people’s reviews and also gave peace of mind from other people’s reviews. My experience with Jaime Valenzuela was very pleasant. He explained all the details out and answered any questions I had. He was professional and resolved my issue. Thank you."

Eric Sibley Profile Image

Eric Sibley

(a week ago)

"Very happy with our mini-splits and the regular service plan. Cesar does great work on every visit!"

J Staley Profile Image

J Staley

(8 months ago)

"Adam B. is our service tech and is always professional, considerate, knowledgeable, and informative. He does a great job identifying and explaining any maintenance needs, concerns, or available upgrades or products. We've been happy with our system that was installed and has been maintained by Modern Mechanical/One Hour Heating for 10 years and going strong!"

Dan Weatherford Profile Image

Dan Weatherford

(7 months ago)

"All of my interactions with One Hour have been outstanding. From scheduling to execution of services requested. All of the technicians are excellent. They are courteous, on time and efficient. They came highly recommended several years ago and I am glad to continue to work with them."