Founded 1911 and incorporated in 1914 as the
H.F Langdon Company installing, servicing and
commercial, industrial and institutional
heating, ventilating, air conditioning systems
throughout Western Pennsylvania.
As a result of
a merger several years later, it was renamed the
Lagdon-Kaschub Company, In 1977, recognizing
the need to provide advanced mechanical systems
support and service, the company
established Q-Dot Inc. as a subsidiary.
Our Mission is to give our customers value by providing exceptional service at a competitive price.