Sitler and Lemmon, a family owned and operated business, was established in Ellwood City in 1957 by Tom Sitler and Don Lemmon. In 1986, it was purchased by Doug & Cyndy Schnell.  We are a family owned and run company who strive to provide quality service to Lawrence County and the surrounding communities. From single story residential systems, to large commercial buildings, we have the staff and expertise to help you make the HVAC decisions that will best suit you. We been serving Ellwood City and the surrounding areas for more than 50 years.  Specializing in Residential, Commercial and Industrial HVAC systems and duct work, we pride ourselves on our quality, workmanship, and vast knowledge of HVAC systems and duct work.

We offer 24 hours emergency service for our customers.  Our highly qualified service and installation team will provide you with knowledgeable, courteous service.  No matter what your need, be it a free estimate on a new energy efficient system, a repair on your current system, or just a simple question, we have the solution to your problem.