About
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!