Welcome to D & T Heating & Cooling Inc.

D & T Heating & Cooling Inc. is a full service heating and air conditioning company that services all of New Castle County. We are a family owned and operated business with owner onsite at all jobs.

D & T Heating & Cooling Inc. believes that a company is only as good as its people and our people have made us one of the most trusted and respected heating and air conditioning companies in Newark by always going the extra mile to provide our customers with unsurpassed service.

Our licensed service technicians will respond quickly and will provide you with a repair estimate before beginning work on your unit. If the diagnosis is a major system failure, they will offer cost effective options including flexible financing on new energy efficient replacement equipment.

We offer service maintenance contracts that can be billed monthly at a low cost. All of our work is guaranteed.