2017 EBSCO Research Best Pick

Oliver Heating, Cooling, Plumbing & Electrical

5th year as a Best Pick

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

"Oliver continues to differentiate itself through its unique positioning, strong history, and ongoing commitment to providing superior and unparalleled customer service. As a character-based company, we not only stand behind our work, we give back to our community. Your peace of mind is our first priority."

David Oliver | Owner

Areas Served:

Montgomery County, Chester County, The Main Line, Delaware County

  • Services Offered
    Oliver offers a wide variety of electrical services, including fuse panel to circuit breaker conversions and upgrades, central vacuum systems, and network cabling. The company specializes in whole-house surge protection and backup generator systems. There are no residential overtime fees.
  • Warranty
    Oliver honors manufacturers' warranties and offers up to a five-year parts-and-labor warranty on newly installed equipment and a two-year repair warranty on parts.
  • Distinctions
    The company employs two Master Electricians, and other technicians are trained in the National Electric Code.
  • Company History
    Since 1971, the second-generation, family-owned company has served customers in Pennsylvania, Delaware, and New Jersey.
  • Additional Information
    Oliver installs Cummins, Generac, Eaton, Kohler, and Honeywell generators.
  • Licenses

Select Quotes from Customer Interviews

A selection of 364 homeowner reviews:


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Oliver has been an outstanding service provider for the ten years I have been using their services. I have used their services for heating, air conditioning, plumbing, and electrical, and they have always been prompt and professional in all the work they have done.
Excellent company. Great work and service.
Always friendly, helpful, and thorough. We enjoy working with them.
They have never let me down. Oliver people are polite and competent. I am glad to have them available—A+.
The technician was excellent. Professional and punctual.
I am very pleased with their service—A+.
Wonderful service since installation ten years ago.
He was thorough and helpful.
Oliver did a fantastic job, and I was very satisfied with them.
We love Oliver, and we use them for a lot of different jobs.

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