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Brand Certified

One Hour Air Conditioning & Heating®

4.9
(122 reviews)

Business Details

6639 Ballenger Run Blvd, Frederick, MD
21703, United States
(301) 284-0896
https://www.onehourheatandair.com/frederick

About

HVAC Contractor

Location

One Hour Air Conditioning & Heating®
6639 Ballenger Run Blvd, Frederick, MD
21703, United States

Hours

MondayOpen 24 Hours
TuesdayOpen 24 Hours
WednesdayOpen 24 Hours
ThursdayOpen 24 Hours
FridayOpen 24 Hours
SaturdayOpen 24 Hours
SundayOpen 24 Hours

Reviews

4.9
122 reviews
5 stars
113
4 stars
5
3 stars
0
2 stars
3
1 star
1
  • ZR
    Zachary Rizer
    Aug 27, 2026
    5.0
    Travis arrived 30 minutes after I called. He was very professional and fixed the issue within the hour.
  • CC
    Chad Collins
    Jul 8, 2026
    5.0
    Jacob Farmer, Michael Geary, Tyler Henson, and Christopher Dailey from One Hour Heating & Air Conditioning all did a great job. Michael specified the type and size of our new HVAC unit and walked me through the options. He was easy to work with and upfront and honest from the start. Tyler and Christopher handled the installation. They were friendly, knowledgeable, and professional. They treated the house with care, kept the work area clean, and did a great job getting the new system in. It’s been performing well since they finished. Jacob was awesome on the service side. He showed up right on time, was super professional, and explained everything clearly without talking down to me. He fixed my AC issue quickly and even gave me a few tips to keep the system running better. Top-notch service all around. I’d use One Hour again and would specifically ask for Jacob, Michael, Tyler, and Christopher.
  • JB
    Jaime Bonilla
    May 23, 2026
    2.0
    I am highly disappointed with the lack of professionalism and technical competence displayed during the visit. Specifically, I noticed the following major issues: Lack of Proper Tools and Skill: The technician did not use the correct tools to remove the screws on my A/C unit. Watching a professional struggle with basic hardware due to a lack of proper equipment is completely unacceptable and risks damaging my system. Poor Driving/Vehicle Handling: Beyond the technical work, the technician demonstrated a severe lack of skill in handling the company service truck. They struggled significantly to maneuver and park the vehicle safely on my property, which raises safety concerns. As a customer, I expect a qualified professional who is fully equipped and capable of performing the job safely and efficiently. Unfortunately, this experience fell far short of those standards. I request that this matter be reviewed by a supervisor, and I would like to ensure that a different, fully certified technician is assigned to any future visits to my home.
  • SS
    Sarah Smith
    May 13, 2026
    5.0
    Bryant did a great job. Very thorough and nice!
  • MS
    Mark Smolin
    Apr 30, 2026
    5.0
    Tyler is courteous and seems knowledgeable. Glad to have him performing the services needed.

Brand Certified Facts from One Hour Air Conditioning & Heating®

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Certified October 11, 2026Yext Knowledge Graph
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