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Dover Heating & Cooling Experts

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Into Big Ones. One Hour Can Help.

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FREE Micro Power Guard Filter With Bryant Preferred Full System Installation One Hour Heating & Air Conditioning® of Dover Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions may apply. Expires Oct 31, 2021
$100 Off Duct Cleaning One Hour Heating & Air Conditioning® of Dover Coupon must be presented at time of purchase. Cannot be combined with any other offers or discounts. Management reserves the right to modify offers at any given time. Some restrictions may apply. Expires Oct 31, 2021

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Dover AC & Heating Company

Heating & Cooling Experts in Dover, DE

The Dover heating and AC experts at One Hour Heating & Air Conditioning® of Dover provide homes and business with reliable repairs and installations combined with world-class customer experiences. As a full-service HVAC company, we provide repairs, installations, and maintenance for air conditioners of all types, heaters, furnaces, and boilers. Whatever your heating and cooling needs, we have qualified experts to make your home comfortable again. Our licensed and insured technicians clean up after themselves while offering results that meet the highest industry standards.

Additionally, our technicians are background checked and drug-screened for your peace of mind. Each technician is highly trained and equipped with a fully-stocked work vehicle, allowing us to handle most repairs on our initial visit. Call (302) 307-6649 to schedule an appointment with our team in Dover, New Castle, Bear, Smyrna and the surrounding areas. Same-day appointments available.

We are proud to be backed and trusted by Google as a part of their Local Service Ads program.

Learn About our Aeorseal Duct Sealing!

Always On Time...Or You Don’t Pay A Dime!®

What makes our service truly world-class is our exceptionally high standards. That’s why our HVAC service calls are backed by our On Time Guarantee and our UWIN Guarantee. Our On Time Guarantee promises that we’ll be on time for your one-hour appointment window, or your service is free. Our UWIN Guarantee backs all our parts, labor, and craftsmanship for two years, ensuring that your repairs and installation are built to last. Our courteous and friendly technicians receiving ongoing training at One Hour, making them some of the best-equipped technicians in the industry. Combined, these commitments are designed to do one thing: give our customers an easy, stress-free, and convenient heating and cooling service in Dover, Bear and the surrounding communities.

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

‘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.
We Love What We Do
Our trained Comfort Specialists are friendly,
knowledgeable, and genuinely love helping people.