Densel Co

Densel Company is a veteran-owned mechanical services firm established in 1970 to provide commercial HVAC and contracting solutions throughout the Washington, DC metropolitan region.

We install, replace, repair, maintain and provide emergency service for equipment ranging from large chillers, boilers and cooling towers to control systems to fractional tonnage systems and periphery devices for a wide variety of facilities.

Quality workmanship coupled with accessible, responsive, experienced management and staff allows us to achieve our goal of building long-term client relationships. We work closely with our clients to develop solutions to all their building’s HVAC system’s needs.  Our success is demonstrated by a strong base of clients returning year after year, some for over 40 years.