Don't Let "Small" Problems Turn
Into Big Ones. One Hour Can Help.

Some of Our Specialties
View More Services
Need Help Now? Call Us 24/7

No Matter What You Need, Our Pros Are Ready to Help!

Request an Appointment with Your Local One Hour Team Today.
  • Please enter your first name.
  • Please enter your last name.
  • Please enter your phone number.
    This isn't a valid phone number.
  • Please enter your email address.
    This isn't a valid email address.
  • Please enter your zip code.
  • Please make a selection.
  • Please make a selection.
  • Please make a selection.
  • Please make a selection.

Aberdeen HVAC Repair, Installation & Maintenance

Reliable AC & Heating Repair Since 1978

One Hour Heating & Air Conditioning® of Aberdeen has been serving customers since 1978 with experienced, reliable, and fast HVAC services. Every member of our team is highly-trained, licensed, and focused on providing the best customer service possible. Over the years, we’ve learned how to make customers happy. As an independently owned and operated business, we treat our customers like the neighbors they are, we’re always on time, and we keep our vehicles well-stocked, so we frequently finish our repairs frequently on one visit! We’re ready to help you 24/7. Whether your heater breaks down in the middle of the night, or your AC fails on the hottest summer day, our team is ready to take your call!

Why Customers Have Trusted Us for Four Decades

Customers tend to use our company once and then continue trusting us for years to come. This is because of our dedication to treating them right. We don’t just make promises, we back them with industry-leading guarantees. First, all our work is backed for two years by a satisfaction guarantee. If anything goes wrong with a repair or installation, we’ll fix it at no extra cost to you. Next, we refuse to make customers wait for us. If we’re late for your appointment for any reason, we’ll make it up to you by paying you back for each minute we’re late. Finally, we provide StraightForward Pricing® that’s free of hidden charges, hourly fees, and other annoying bill-inflating tricks. Join the One Hour Heating & Air Conditioning® of Aberdeen family by calling us 24/7 for help with your HVAC needs!

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

    “I will recommend. Service and staff were helpful, knowledgeable and professional. I will recommend and continue to call on One Hour for my heating and cooling concerns. 5 stars!”

    - Melanie B.

    “Great service! We have been long time customers and are pleased with the service that we receive.”

    - Chester T.

    “Over the last 20 years, I've called them when I need them. They've never disappointed me and I've never had a need to call someone else.”

    - Dennis H.

    “Dependable and service has been reliable.”

    - Craig Barnes

    “Very professional and will be there when quoted.”

    - Charles Woodard

    “I am basing the 5 stars on the last visit by your technician. He was fast and he was fair and was looking out for us, his customers. I believe he was totally honest and personable.”

    - Carol Sweatt
/
  • Areas We Serve
    • Aberdeen
    • Aberdeen Proving Ground
    • Abingdon
    • Baldwin
    • Bel Air
    • Belcamp
    • Benson
    • Chase
    • Churchville
    • Conowingo
    • Crofton
    • Darlington
    • Edgewood
    • Essex
    • Fallston
    • Forest Hill
    • Fork
    • Gambrills
    • Glen Arm
    • Glen Burnie
    • Gunpowder
    • Havre De Grace
    • Hydes
    • Jarrettsville
    • Joppa
    • Kingsville
    • Long Green
    • Middle River
    • Monkton
    • Nottingham
    • Odenton
    • Parkville
    • Perry Hall
    • Perry Point
    • Perryman
    • Perryville
    • Phoenix
    • Pylesville
    • Riderwood
    • Rosedale
    • Severn
    • Street
    • Towson
    • Upper Falls
    • White Hall
    • White Marsh
    • Whiteford
  • Zip Codes We Serve
    • 21001,  
    • 21005,  
    • 21009,  
    • 21010,  
    • 21013,  
    • 21014,  
    • 21015,  
    • 21017,  
    • 21018,  
    • 21027,  
    • 21028,  
    • 21034,  
    • 21040,  
    • 21047,  
    • 21050,  
    • 21051,  
    • 21054,  
    • 21057,  
    • 21060,  
    • 21061,  
    • 21078,  
    • 21082,  
    • 21084,  
    • 21085,  
    • 21087,  
    • 21092,  
    • 21111,  
    • 21113,  
    • 21114,  
    • 21128,  
    • 21130,  
    • 21131,  
    • 21132,  
    • 21139,  
    • 21144,  
    • 21154,  
    • 21156,  
    • 21160,  
    • 21161,  
    • 21162,  
    • 21204,  
    • 21220,  
    • 21221,  
    • 21234,  
    • 21236,  
    • 21237,  
    • 21252,  
    • 21284,  
    • 21285,  
    • 21286,  
    • 21902,  
    • 21903,  
    • 21918

Here for You Around the Clock

Our Comfort Specialists are available to help, no matter the time of day. If you're in need of emergency services, we've got you covered 24/7.

Part of the Authority Brands Family

/