2016 EBSCO Research Best Pick
610-625-1869

Oliver Heating, Cooling, Plumbing & Electrical

4th 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."

Joe Oliver | Founder

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. Oliver does not charge 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.
  • Awards & Certifications
    Oliver employs technicians trained in the National Electric Code and a licensed Master Electrician.
  • Company History
    Since 1971, the family-owned-and-operated company has provided service to customers in Pennsylvania, Delaware, and New Jersey.
  • Product Information
    Oliver installs Cummins, Generac, Eaton, and Kohler generators.
  • Licenses
    PA005379

Select Quotes from Customer Interviews

A selection of 244 homeowner reviews:


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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.
They were on time. They called when they were coming, and then they were very knowledgeable of the situation. They identified why we didn't have electricity in part of the house. We've used them for many years. They're an A+ company.
They're friendly and courteous, and they get the work done on time. They do my routine maintenance. I've been using them for about two years now, and they've earned an A+ grade.
They did electrical work. They conditioned the generator to make sure it worked. There were no problems, and I did not have to call them back. I would recommend them, and I'd give them an A.
My husband was here when they came; he said they were nice, and they took care of the problem. I'd give them an A.
Oliver was very good. We were very satisfied with their services.
Everything is good.
I always have a positive experience with Oliver. They're always very efficient and very professional.
I liked that they came out promptly and got the job done. I think the last thing we had them do was take a look at our dryer, and they determined that we needed a new part. They came out and installed it. I'd give them an A.
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