Wm. Henderson offers residential and commercial HVAC services, including seasonal tune-ups and the installation, repair, and replacement of energy-efficient heating and cooling systems, gas and oil heating systems, heat pumps, humidifiers, setback thermostats, and electronic air cleaners.
The company offers various warranties.
Wm. Henderson employs multiple NATE-certified technicians and is a Carrier Factory Authorized Dealer and a multi-year Carrier President's Award winner. The company is a member of the Plumbing-Heating-Cooling Contractors Association and Quality Service Contractors.
The local, family-owned-and-operated company was founded in 1977 and has serviced Delaware County and the Main Line for 40 years.