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Annapolis, MD
Annapolis, MD
Bringing Comfort Home
With Expert AC Services
One Hour Heating & Air Conditioning® of Annapolis
4.9
Heating, AC & Furnace Repairs in Annapolis, MD
When homeowners want a reliable heating or air conditioning system that they don’t have to think about, they call One Hour Heating & Air Conditioning. We are the premier HVAC service provider in the United States for a simple reason: we actually care about your comfort.
At One Hour, we respect you, we respect your time, and, most importantly, we respect the trust that you put in us to keep your home comfortable. It’s why we back all of our work with a 100% customer satisfaction guarantee for two years, and it’s why we’re always on time—guaranteed.
We Have a Reputation
For Being Punctual, Friendly and Knowledgable
4.9
Travis Morgan (Hobbit Roboty)
05-14-2025
“Allen was professional and thorough. He did a great job of informing me of my options. Great to work with.”
David Dorsey
05-06-2025
“He did a great job. He is a professional!”
Sandra Wilson
05-02-2025
“Steve was very efficient and professional as he serviced our HVAC system. He answered all of our questions expertly.”
SHARON FOSTER
05-01-2025
“We were pleased w/ Mr. Scott's professionalism, thoroughness, knowledge and service. We will be requesting him as our permanent HVAC tech.”
Timothy Lee
04-30-2025
“Worked efficiently, answered all my questions.”
kiju kiju
04-29-2025
“Knowledgeable and thorough problem solver!”
Judith Palfrey
04-28-2025
“Shawn Umberger did a fine job reviewing and testing my AC for Summer Cooling. He also installed the iFlo system I bought.”
Gabriela Kahrl
04-22-2025
“We love seeing Stephen Scott! He’s our favorite technician. He provides excellent, friendly, informative, and kind service. Our whole family including the dogs look forward to his visits!”
kimberly Callahan
04-21-2025
“Very good customer service and very professional”
Erika Zommer
04-20-2025
“Steven Scott was a fantastic technician, he helped diagnose several issues and gave several options for repair. He is very knowledgeable, kind, and professional.”
Our customers love what we do because we treat them like the neighbors they are to us. While we carry the One Hour name, we’re an independently owned and operated business with a personal investment in the local community. We back our work with a 100% satisfaction guarantee, provide StraightForward® pricing guides for your benefit, and will pay you back for being even one minute late to an appointment.
Here For You
When You Need Us Most!
'Round the Clock Availability
No matter the hour, you can trust One Hour to be there to help you when you get hit with the unexpected.
100% Satisfaction Guarantee
We guarantee our materials, labor, and craftsmanship for up to two years from the date of your service.
StraightForward Pricing® Guide
Before we start any work, we discuss your available options so you know exactly what you are getting and how much it will cost. No hidden fees!
Always On Time…Or You Don’t Pay A Dime!®
We understand your time is valuable, so we promise to arrive at your home within the predetermined time window that you select, or your service call is free.
0% Financing Available
Prioritize your comfort without fronting the entire bill on day 1 – contact us today to learn more about financing options.
Hours of Operation
We are available 24/7 to take your call for emergencies
Monday
9:00 AM - 5:00 PM
Tuesday
9:00 AM - 5:00 PM
Wednesday
9:00 AM - 5:00 PM
Thursday
9:00 AM - 5:00 PM
Friday
9:00 AM - 5:00 PM
Saturday
Closed
Sunday
Closed