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Mount Airy HVAC Company

Heating & AC Experts Serving Frederick County, Montgomery County & Beyond

One Hour Heating & Air Conditioning® of Mount Airy has a long history serving the residents of Mount Airy. We’ve been in business since 1949 and turned our focus to HVAC service in 1993. Our team has the same goal that we started with: making customers happy and comfortable through excellent service. Every member of our team undergoes extensive training and is well equipped to solve any HVAC problem. Our vehicles are so well-stocked with parts that we can finish most jobs in one visit!

Why Customers Love Our HVAC Work

Even though we operate under the name of a nationally-recognized HVAC company, we’re a proud local business. Our team back all their jobs with amazing guarantees that make sure we’re always on time, and we always do the job right the first time. To be as transparent as possible, we also have a StraightForward® pricing guide so you’ll know the costs of all our services before we perform them. For local Mount Airy HVAC repair, installation, and maintenance, call the experienced team from One Hour Heating & Air Conditioning® of Mount Airy right now!

Special Offers Backed by Our
100% Satisfaction Guarantee

Always On Time... Or You Don't
Pay A Dime

We Have A Reputation For Being Punctual, Friendly, and Knowledgeable

    “WOW, what savings. I will recommend your services and equipment for everyone.”

    - Diane D.

    “I thought that it was going to be a mess (getting ducts cleaned) but they were very neat and professional and they had taken their time to do it right. Well done and I only wish I did it sooner.”

    - Ira G.

    “He was very polite and knowledgable and did a great job fixing the drain pipe. He also changed my furnace filter while here. I would use this company again! The price was reasonable.”

    - Irene T.

    “The service contracts are great and I have recommended One Hour and Benjamin Franklin to my neighbors.”

    - Tom M.

    “I will stick with them and would recommend them to others because they are very good at keeping to their schedule and being responsive. Their workers are professional, clean, and, they respect your house and you.”

    - Marty V.

    “Called and let me know when he would arrive, did a very thorough job of checking everything.”

    - David D.
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  • Areas We Serve
    • Adamstown
    • Andrews Air Force Base
    • Baltimore
    • Barnesville
    • Beallsville
    • Bethesda
    • Bladensburg
    • Boyds
    • Brentwood
    • Buckeystown
    • Burtonsville
    • Cabin John
    • Capitol Heights
    • Chevy Chase
    • Clarksburg
    • Clinton
    • College Park
    • Columbia
    • Damascus
    • Derwood
    • Dickerson
    • District Heights
    • Elkridge
    • Ellicott City
    • Fort Washington
    • Frederick
    • Gaithersburg
    • Germantown
    • Glenn Dale
    • Greenbelt
    • Hanover
    • Hyattsville
    • Ijamsville
    • Kensington
    • Lanham
    • Laurel
    • Littlestown
    • Monrovia
    • Montgomery Village
    • Mount Airy
    • Mount Rainier
    • New Market
    • Olney
    • Oxon Hill
    • Pikesville
    • Poolesville
    • Potomac
    • Riverdale
    • Rockville
    • Sandy Spring
    • Silver Spring
    • Spencerville
    • Suitland
    • Takoma Park
    • Temple Hills
    • Upper Marlboro
    • Walkersville
    • Washington
    • Washington Grove
  • Zip Codes We Serve
    • 17331,  
    • 17340,  
    • 20001,  
    • 20002,  
    • 20003,  
    • 20005,  
    • 20007,  
    • 20008,  
    • 20009,  
    • 20010,  
    • 20011,  
    • 20012,  
    • 20013,  
    • 20015,  
    • 20016,  
    • 20017,  
    • 20018,  
    • 20019,  
    • 20027,  
    • 20032,  
    • 20036,  
    • 20037,  
    • 20039,  
    • 20040,  
    • 20057,  
    • 20058,  
    • 20088,  
    • 20207,  
    • 20242,  
    • 20306,  
    • 20307,  
    • 20317,  
    • 20392,  
    • 20393,  
    • 20394,  
    • 20422,  
    • 20542,  
    • 20703,  
    • 20707,  
    • 20710,  
    • 20712,  
    • 20722,  
    • 20723,  
    • 20725,  
    • 20726,  
    • 20735,  
    • 20737,  
    • 20741,  
    • 20742,  
    • 20743,  
    • 20744,  
    • 20745,  
    • 20746,  
    • 20747,  
    • 20748,  
    • 20762,  
    • 20769,  
    • 20770,  
    • 20772,  
    • 20773,  
    • 20774,  
    • 20775,  
    • 20781,  
    • 20782,  
    • 20784,  
    • 20785,  
    • 20787,  
    • 20788,  
    • 20810,  
    • 20814,  
    • 20815,  
    • 20817,  
    • 20818,  
    • 20824,  
    • 20825,  
    • 20830,  
    • 20832,  
    • 20837,  
    • 20838,  
    • 20839,  
    • 20841,  
    • 20842,  
    • 20847,  
    • 20848,  
    • 20850,  
    • 20851,  
    • 20852,  
    • 20853,  
    • 20854,  
    • 20855,  
    • 20857,  
    • 20859,  
    • 20860,  
    • 20866,  
    • 20868,  
    • 20871,  
    • 20872,  
    • 20874,  
    • 20875,  
    • 20876,  
    • 20877,  
    • 20878,  
    • 20879,  
    • 20880,  
    • 20882,  
    • 20883,  
    • 20884,  
    • 20885,  
    • 20886,  
    • 20889,  
    • 20892,  
    • 20894,  
    • 20895,  
    • 20898,  
    • 20899,  
    • 20901,  
    • 20902,  
    • 20904,  
    • 20905,  
    • 20906,  
    • 20907,  
    • 20908,  
    • 20910,  
    • 20911,  
    • 20913,  
    • 20914,  
    • 20915,  
    • 20916,  
    • 20918,  
    • 20997,  
    • 21041,  
    • 21043,  
    • 21045,  
    • 21046,  
    • 21075,  
    • 21098,  
    • 21101,  
    • 21176,  
    • 21209,  
    • 21210,  
    • 21212,  
    • 21268,  
    • 21282,  
    • 21701,  
    • 21702,  
    • 21703,  
    • 21704,  
    • 21705,  
    • 21709,  
    • 21710,  
    • 21717,  
    • 21754,  
    • 21770,  
    • 21771,  
    • 21774,  
    • 21793
We may service additional communities. Please contact us for more information.
  • Heroes Club
  • Home Advisor 50 Reviews
  • BBB A+ Accredited Business
  • Home Advisor - Screened & Approved
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