About DESCO Services

DESCO Services was founded in February, 1977 servicing HVAC control systems for commercial, industrial and institutional customers. In 1983 DESCO bought out H. N. Bange, a well established mechanical contractor in Hanover, PA. and continued to grow. Today as technology has exploded and the reliability of your equipment is more important than ever, DESCO Services has become the name you can trust to take care of your residential, commercial and industrial accounts throughout central PA.

Our professional technical team is NATE certified, the highest industry standard for education and technology. We are also a long standing member of the Better Business Bureau.

DESCO Services provides design, retrofit, replacement and 24-hour emergency service of air conditioning, heating and commercial/industrial refrigeration systems. Servicing all brands of equipment and providing the best replacement options of several brands at the best prices and warranties in the industry.

Our dedicated team:

Jeremy Diehl – President
Saundra Winters – Vice president

Rosemary Diehl – Secretary

Rob Gearhart – Installation manager

David Eisenhart – Service manager

Brian Knudson – Assistant service manager

Dylan Davis – Technician

Anthony Bosley – Installation

Jonathon Whitcomb – Installation

Matthew Miller –  Technician



We are committed to service

Our entire team at DESCO Services is committed to providing you the very best services. Our commitment to excellence and dedication is essential to your satisfaction.

For quotes, questions or inquiries please call us today – Hanover 717-637-2216, York 717-846-3384, Gettysburg 717-337-3053 or toll free 877-265-9764.