Hardell Services is a third-generation family-owned heating, cooling, and energy contractor based in Hagerstown, Maryland, serving Washington County and surrounding communities since 1946. The company offers fuel oil delivery, geothermal system installation and service, natural gas systems, heating and air conditioning installation and repair, and duct cleaning. Hardell's geothermal services are designed to reduce heating and cooling costs through earth-coupled technology while providing a reliable, environmentally sustainable alternative to conventional fossil-fuel systems. The team includes experienced technicians available for 24/7 emergency service, and the company maintains a full inventory of replacement parts to minimize downtime. Customers can take advantage of interest-free budget payment plans, service agreements, and competitive pricing. The company also operates Thompson Oil Co. for fuel oil customers in adjacent Pennsylvania communities.
Verified active operator per https://hardellservices.com + BBB profile (Hardell Corporation 0011-23017561) (Bundle 4 audit 2026-05-28)
77-year-old family-owned contractor offering geothermal installation and service with genuine 24/7 emergency coverage and interest-free budget plans across Washington County.
