Proudly serving our community since 1949

Demilio, Inc. is dedicated to providing the best possible solution for your home or business. You can count on us to provide you with a system and solution that fits your unique needs and since we've installed many systems in this area, we've earned a reputation for doing the job right the first time.

Demilio, Inc is a recognized leader in the Westmoreland County central air conditioning & heating industry serving homeowners and businesses. Dedicated to providing ultimate heating, cooling and air conditioning solutions, heat pumps, furnaces, boilers, and air conditioners.Demilio, Inc is a family-owned Pennsylvania heating and a/c contractor invested in providing you with the very finest strategies, heating and cooling systems at reasonable cost.

At Demilio, the customer always comes first. We’ve earned a premier reputation by tailoring systems specifically to each customer’s needs. Our team of licensed, factory trained heating and air conditioning experts study your project and expectations carefully, then design and install the perfect heating or cooling system for you.

Whether you need installation of a new residential heating system, cooling system, service, replacement or improvement, Demilio makes it our priority to provide it efficiently, cost-effectively, and professionally. We offer Carrier products, expertise, friendly advice and opportunities that far exceed the norm, beginning with our Always-Free In-Home Estimates for heating installations, air conditioning installations, furnace installations, and air duct cleaning/indoor air quality services throughout Greensburg, Pennsylvania and surrounding communities in Westmoreland County.We also offer heating repairs, air conditioning repairs and furnace repairs throughout Greensburg and Western Pennsylvania. We can also work with you to arrange financing on this work.

Find out more about our NEW Indoor Air Quality Service, and energy efficient tax credits for new heating and air conditioning systems.

Our organization offers: