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An HVAC company serving New Castle and Kent Counties, DE; Cecil County, MD; Delaware and Chester Counties, PA
 

Comfort is on its Way!

We service, maintain, and install heating and cooling systems to keep your home comfortable all year long.

One Hour Heating & Air Conditioning

An HVAC service company based in Wilmington, DE, One Hour Air offers heating and cooling system service, installation, repairs, and tune-ups. We’re open for your call 7 days per week, with emergency service available 24/7.

See our HVAC service choices

The installation team was professional and speedy. The appreciation shown to me for being a customer afterwards was awesome! This company is the real thing.

No need to wait a week — just call One Hour. When I scheduled, the technicians came the very next morning, on time!

Their prompt and courteous services are something a lot of tradesmen have forgotten over the years.

I can't express enough how deeply satisfied I am with One Hour Heating & Air Conditioning. I have had them for 10 plus years, and I can't say enough good things about these people.

Great service from One Hour Heating & Air Conditioning! My technicians were friendly and on-time. They didn't try for a hard sell — they just gave me helpful advice.

Keep the temperature right during cold & flue season

What Temperature Should You Set The Thermostat to While Traveling?

Too hot, too cold, or just right? See the best thermostat setting to use when you plan to travel away from home for the holidays.Read More
Cut heating costs by insulating your home

Heating Hacks: 4 Easy Ways to Lower Your Heating Bill

Before you crank the thermostat, follow these simple steps to reduce the amount of energy your heating system requires!Read More
Woman suffering from allergies and poor indoor air quality

Fighting Fall Allergies? Start With Your HVAC System

Are fall allergies driving you crazy? Follow these 5 steps to make your HVAC system more allergy-friendly!Read More