Today, Oliver positions itself to remain the Delaware Valley's premier Heating, Cooling, Plumbing and Electrical service provider. We rely in our deep roots and expert service to define future goals and objectives. We have been proudly serving Delaware, Chester and Montgomery Counties in Pennsylvania as well as New Castle County in Delaware since 1971.

Oliver furnishes, installs and services most types of heating, ventilation, and cooling equipment, as well as plumbing, water heaters, electrical, geothermal, solar, home energy audits and air duct cleaning services in the residential, commercial, and industrial markets. When it comes to heating, cooling, plumbing and electrical our employees are prepared to help you with your service or installation requirements 24 hours a day 7 days a week..

Oliver’s plan is to continue to differentiate itself from the rest of its competitors through unique positioning, strong history and ongoing commitment to its primary thrust of providing superior and unparalleled customer service. We look forward to helping you with your air conditioning, heating, plumbing and electrical needs.

Providing Fast, Reliable and Expert Service to Delaware, Chester, and Montgomery Counties in Pennsylvania and New Castle County in Delaware