Serving the community since 1972!

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Dependable, Smart, and Efficient

We are a family-owned and operated heating and air conditioning business located in Avondale, Pennsylvania. Chelsea Heating & Air has been serving the area since 1972 and remains one of the largest providers in Chester County. Our team consists of expert mechanics, installers, service engineers, project managers and customer service staff, who are all experts in the many aspects of heating and cooling technologies and equipment. From custom new construction homes to in-home replacements and repairs, we work with builders, contractors and homeowners all over the tri-state area!

Heating and Air Conditioning Units — Avondale, PA — Chelsea Heating & Air

Our Geothermal Experience

Chelsea has been installing and maintaining geothermal systems since 1978 and stands at Chester County’s forefront in the installation of this innovative technology.


A geothermal system produces extremely high levels of efficient energy because a geothermal heat pump only uses electricity to move heat; not to produce it. A geothermal unit typically supplies four to five kilowatts of heat for every kilowatt used. Three to four of these kilowatts of heat come directly from the earth itself, and are clean, free and reusable. For more go to our geothermal page.

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Read the Chester County Press article about Chelsea's Geothermal journey here.

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Geothermal systems tap the constant temperature of the earth in order to provide heating, cooling and hot water. Your home stays comfortable all year round while trimming your energy bill up to 80%. You can also take advantage of federal tax credits that have been extended until December 2032 (check with your state).

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