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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.

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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.

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.

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

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

410a refrigerant

R-22 Refrigerant and 410A Refrigerant FAQ

We answer your refrigerant questions right here.Read More
upgrade this thermostat to a wi-fi controlled thermostat | thermostat error codes

Thermostat Error Codes

Thermostat error codes are your thermostat’s way of telling you what’s wrong and what you need to do to fix it. While an old, analog thermostat can’t give you an error code, any modern digital thermostat or wi-fi controlled thermostat will. Two of the major brands of digital thermostats, Nest and Honeywell, offer services to […]Read More
change your filter

The Importance of Changing Your HVAC Filter

Learn why changing your filters is crucial to your home's air quality. Read More