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By Phil V. on 04/25/19
Excellent service from a very conscientious technician. We met Sean E. when we first started using Jos. Frederick and were very pleased when he was the tech today. He does a very thorough job and fully explains all his recommendations.

By Susan S. on 04/23/19
Tim, from Joseph Frederick & Sons, and his partner, Dan, where courteous and great listeners. They quickly got to the root of my problem and solved it within a few minutes. Sadly, there was water damage, but they set my mind at ease by providing a referral to a com...
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Tim, from Joseph Frederick & Sons, and his partner, Dan, where courteous and great listeners. They quickly got to the root of my problem and solved it within a few minutes. Sadly, there was water damage, but they set my mind at ease by providing a referral to a company that will mitigate the damages while working with my insurance company. Dan took it upon himself to make the referral and I had the next step to solving my longer term issues scheduled before he left. PS They remembered to put on their booties - which is helpful given the dirt and pollen outside at this time of year.
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By Nancy S. on 04/13/19
No need to improve your service with Ken W doing the work. He was very professional, kind, and did excellent work. He went above and beyond what he was expected to do.

By Jennifer F. on 04/11/19
No comments

By Blake B. on 04/05/19
Steve, the electrician at Joseph Frederick & Sons, analyzed our project needs, estimated and installed 4 new electrical circuits in our basement. Steve is very knowledgeable and provided detailed answers to all my questions, His work is very professional, very neat...
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Steve, the electrician at Joseph Frederick & Sons, analyzed our project needs, estimated and installed 4 new electrical circuits in our basement. Steve is very knowledgeable and provided detailed answers to all my questions, His work is very professional, very neat and carefully checked. It was a pleasure to have Steve for this project.
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By Rasheeka C. on 03/29/19
I called Jos. Fredrick & Sons for an emergency electrical problem on a Friday evening. Steven O. returned the "on call" message and was polite when I spoke to him on the phone. He was upfront with pricing and made sure I was clear about how the emergency service ca...
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I called Jos. Fredrick & Sons for an emergency electrical problem on a Friday evening. Steven O. returned the "on call" message and was polite when I spoke to him on the phone. He was upfront with pricing and made sure I was clear about how the emergency service call would work. He arrived within 30 - 40 minutes from the time I spoke to him on the phone. He was able to find and fix the issue without it going to a "next level" service call where he would have had to run test to find the issue, which would have cost more money. Steven was professional, polite, keep me informed and fixed my problem! Thanks Steven for a job well done!
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By Joerg B. on 03/29/19
The electrician (Steve O) performed excellent job installing two new outlets keeping me informed along the way.

By Daria R. on 03/25/19
Sean is the best technician that has serviced my heater and air conditioner systems. Very thorough, explains everything and goes above and beyond. I will certainly request him for my future needs. Outstanding.

By Carmela C. on 03/18/19
We needed work done on our attic fan that decided to grind to a halt. Steve O. came out and took care of our repair. He was knowledgeable, courteous and very neat. We would highly recommend Steve O. from Joseph Frederick & Sons to take care of any of your electrica...
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We needed work done on our attic fan that decided to grind to a halt. Steve O. came out and took care of our repair. He was knowledgeable, courteous and very neat. We would highly recommend Steve O. from Joseph Frederick & Sons to take care of any of your electrical needs. It was a real pleasure to have someone that was not only efficient but pleasant to deal with.
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By Angela B. on 03/13/19
Ken W. from Joseph Frederick and Sons came to my house today to service my heater. He was very knowledgeable and explained amongst other things, exactly what kind of filter I need and why. He also was most professional and polite. I trust J.F. and Sons, which ...
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Ken W. from Joseph Frederick and Sons came to my house today to service my heater. He was very knowledgeable and explained amongst other things, exactly what kind of filter I need and why. He also was most professional and polite. I trust J.F. and Sons, which allows me peace of mind, which is priceless.
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By Terry B. on 03/08/19
I have had service calls and my HVAC system replaced by Joseph Fredrick and sons. I am so happy with the work, and the service technicians are wonderful. I thought I needed a new hot water heater, and when the service tech looked at it, he was honest and told me it...
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I have had service calls and my HVAC system replaced by Joseph Fredrick and sons. I am so happy with the work, and the service technicians are wonderful. I thought I needed a new hot water heater, and when the service tech looked at it, he was honest and told me it was fine. That means so much when you can trust the company to be honest.
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By Sharon M. on 03/06/19
This was the second time I had Tim as my plumber for my home. He was respectful, thorough, explained everything thing and showed me what he would do and reviewed the pricing before he started. He had another technician with him that seemed as though he was in train...
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This was the second time I had Tim as my plumber for my home. He was respectful, thorough, explained everything thing and showed me what he would do and reviewed the pricing before he started. He had another technician with him that seemed as though he was in training. He was patient and shared his knowledge easily. It was a pleasure to have both employees from Jos Frederick do my repairs.
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By Michelle M. on 03/05/19
Ken did our annual service yesterday and addressed several problems. He was able to return today and fix everything. He was thorough in explaining the nature of the issues and very pleasant. I'm grateful for the excellent and prompt service.

By Kenneth R. on 01/07/19
Ken Whorl completely the yearly maintenance service on my furnace today. I am extremely happy and satisfied with his work. All questions were answered and he was very helpful with questions regarding both the furnace and water heater. Thank you!

By Terri M. on 12/07/18
Ken W came to my home today for HVAC maintenance. He promptly found an issue with my unit; explained it to me; and assured me that it will be taken care of in a timely manner. Ken is very polite and very informative. Thank you, Ken

By Gary C. on 12/04/18
Aaron was friendly, knowledgeable and willing to explain what he was doing clearly and concisely.

By Sharon H. on 11/30/18
Ken was probably the best service person we have ever dealt with, honestly. Based on how thorough he was and how he took lots of time to explain everything to us, we will be giving ALL of our business to this company and will recommend them to everyone we know.

By carol d. on 11/21/18
ken was an excellent & friendly worker. very professional i would highly recommend him.

By Sophie H. on 11/06/18
Steve and Chuck were personable and professional. Love the company.

By Shirley W. on 10/31/18
We had electrical service upgrade performed by Steven O and Charles. They were very professional and courteous. They took time to explain the job. We are happy with their work.
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302-994-5786

Select any employee to see all their reviews.

Timothy
9 Years
Rating:
(11 total reviews)
Sean E
Rating:
(8 total reviews)
Dave C
Rating:
(3 total reviews)
CJ B
8 Years
Rating:
(3 total reviews)
Team J
Rating:
(1 total review)
John R
Customer Service Rep.
Rating:
(1 total review)

* Total number of reviews and star-ratings are based on data collected during the time period Joseph Frederick and Sons has been using the ReviewBuzz system and may not directly match the data found on each public review site.

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Customer service is always a top priority at Joseph Frederick and Sons. Our BBB Membership A+ rating is like a badge of honor as we continuously strive to provide the best experience for our clients.

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