2017 EBSCO Research Best Pick
610-335-1074

Wm. Henderson Plumbing, Heating & Cooling Services

3rd year as a Best Pick

  • A-Rated
  • Verified License(s)
  • Verified General Liability
  • Verified Workers' Comp

"For 40 years, our business has had one goal in mind—'Keeping our customers comfortable.' With a fully stocked warehouse, a rapid-response team, and skilled technicians, there's no delay in getting your job done quickly and professionally. As an added convenience for our customers, we offer extended financing."

Bill Henderson | President

Areas Served:

The Main Line, Delaware County

  • Services Offered
    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.
  • Warranty
    The company offers various warranties.
  • Distinctions
    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.
  • Company History
    The local, family-owned-and-operated company was founded in 1977 and has serviced Delaware County and the Main Line for 40 years.
  • Licenses
    PA013279

Select Quotes from Customer Interviews

A selection of 212 homeowner reviews:


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I only use Henderson. They always answer their phone, are available for emergencies, and are extremely clean and knowledgeable. They do not take shortcuts and do the job right.
I had routine heating service and A/C repair. The technician was professional and punctual. He completed the work in a timely manner and explained the A/C issue.
Outstanding service, on time, knowledgeable, friendly, and reliable. Love their crew, cleanliness, and responsiveness—A+.
Great company from the time you call until the service person finishes the job. I have recommended them to family, and they as well have had great service.
Always on time and thoroughly professional. Best service I've had in a long time.
From the estimate to the completion of work and follow up, everything was polite and professional, including the office staff.
Quality service, large service area. Excellent follow up after services have been completed.
They were prompt and knew what to do immediately. They had to replace a part in our heating system.
William Henderson always provides great service. Never a complaint.
The first technician who did the bulk of our work was a top notch, extremely knowledgeable professional. He receives all A+ ratings. A part was back-ordered, however, and the technician who came the second day required some oversight to finish the job correctly. Overall, the job was done as necessary.
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