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By Kenneth J. on 05/23/19
Sean was on time, professional and friendly. He diagnosed the problem quickly and was able to correct the situation right away.

By Terri P. on 05/04/19
claimed words did not match. Had Kevin and he was a very fine technician. Polite, helpful. Good representation for your company. I will not be using this site again as I did not like the way I had to go in circles. Will most likely just call or do nothing. All y...
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claimed words did not match. Had Kevin and he was a very fine technician. Polite, helpful. Good representation for your company. I will not be using this site again as I did not like the way I had to go in circles. Will most likely just call or do nothing. All your men have been excellent so I guess my evaluation would be the same anyway. Hope this will not reflect on any future technicians.
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By Terri P. on 05/04/19
claimed words did not match. Had Kevin and he was a very fine technician. Polite, helpful. Good representation for your company. I will not be using this site again as I did not like the way I had to go in circles. Will most likely just call or do nothing. All y...
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claimed words did not match. Had Kevin and he was a very fine technician. Polite, helpful. Good representation for your company. I will not be using this site again as I did not like the way I had to go in circles. Will most likely just call or do nothing. All your men have been excellent so I guess my evaluation would be the same anyway. Hope this will not reflect on any future technicians.
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By Terri P. on 05/04/19
claimed words did not match. Had Kevin and he was a very fine technician. Polite, helpful. Good representation for your company. I will not be using this site again as I did not like the way I had to go in circles. Will most likely just call or do nothing. All y...
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claimed words did not match. Had Kevin and he was a very fine technician. Polite, helpful. Good representation for your company. I will not be using this site again as I did not like the way I had to go in circles. Will most likely just call or do nothing. All your men have been excellent so I guess my evaluation would be the same anyway. Hope this will not reflect on any future technicians.
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By Terri P. on 05/04/19
claimed words did not match. Had Kevin and he was a very fine technician. Polite, helpful. Good representation for your company. I will not be using this site again as I did not like the way I had to go in circles. Will most likely just call or do nothing. All y...
(View More)
claimed words did not match. Had Kevin and he was a very fine technician. Polite, helpful. Good representation for your company. I will not be using this site again as I did not like the way I had to go in circles. Will most likely just call or do nothing. All your men have been excellent so I guess my evaluation would be the same anyway. Hope this will not reflect on any future technicians.
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By Luke W. on 05/03/19
Steve O’Neil and Kaleb were superb. They were courteous, and Steve was highly capable and helpful at all stages of the project. We couldn’t have been more satisfied with his work. Thank you for an excellent job!

By Wales, L. on 05/02/19
Steve and Kaleb did a superb job fixing problems in our electrical system including grounding our gas pipe. They were always courteous and explained everything.

By Sarah N. on 05/01/19
After poor experiences with Horizon I took the suggestion of Nextdoor reviews and went with J Frederick and Sons for an Hvac issue. I have now used them for 3 separate repairs/maintenance in my home including Heat, AC and Plumbing. All have been speedy, extremely r...
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After poor experiences with Horizon I took the suggestion of Nextdoor reviews and went with J Frederick and Sons for an Hvac issue. I have now used them for 3 separate repairs/maintenance in my home including Heat, AC and Plumbing. All have been speedy, extremely reasonably priced and accompanied by polite knowledgeable service providers - Sean (HVAC) & Justin (plumbing). I am usually a do-it-yourselfer and hate spending money on repairs (especially when I am getting ripped off) but the service and bang for your buck with these guys is undeniable.
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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 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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CALL TO SCHEDULE
302-994-5786

Select any employee to see all their reviews.

Aaron
6 Years
Rating:
18 total reviews!
Kevin
8 Years
Rating:
13 total reviews!
Terri H
Customer Service Rep.
9 Years
Rating:
(1 total review)
John R
Customer Service Rep.
Rating:
(1 total review)
Steve O
Rating:
(13 total reviews)
Ken W
Rating:
(12 total reviews)

* 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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CALL TO SCHEDULE
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Timothy has a 5-Star rating and leads the company in total reviews, making this pro a ReviewBuzz Rockstar!
10 total reviews
Other than being a father to a 5 month old, Tim enjoys working on small engines in his spare time.
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...
(View More)
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 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 SANDRA P. on 02/02/18
I have been using Joseph Frederick for years for plumbing, heating & electric and have always been pleased. Tim was here today to rescue my kitchen faucet! Thanks Tim!

By Raymond F. on 12/21/17
Tim is a real professional. Job well done. Would definitely recommend.

By SUZANNE F. on 12/11/17
I have been using Jos. Frederick & Sons for years and have always been completely satisfied with the service and the technicians. (fyi, you need to update the photo of the technician at the start of this review. I didn't even recognize Timothy from the pic and was confused.

By Andrew S. on 11/02/17
Always great service.

By Ed & Jane B. on 11/01/17
Tim is a first class service technician. He is prompt, honest and gets the job done! We request Tim by name to Service our plumbing needs.

By Lynne B. on 10/13/17
My thanks to Timothy. He found that my water heater had a pin hole in it, some water had dripped into the pan, and an alarm was sounding. He silenced the alarm immediately and advised me that the water heater would be replaced at no cost because it was still under ...
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My thanks to Timothy. He found that my water heater had a pin hole in it, some water had dripped into the pan, and an alarm was sounding. He silenced the alarm immediately and advised me that the water heater would be replaced at no cost because it was still under warranty. Tim did an efficient and neat job. He was very polite and explained everything in a clear way. In my experience, all of the Jos. Frederick employees I have had the pleasure of meeting are top quality, polite, trustworthy, hard working and clean-cut people with excellent skills. I am grateful to have Jos. Frederick & Sons to call when I have a problem. Also, their receptionists are kind and helpful and go the extra mile to be helpful.
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By Carolyn G. on 10/10/17
Tim was very thorough and professional.

By Bernard D. on 10/10/17
Tim did an excellent job when he dealt with our plumbing issues. Recommend Joseph Frederick highly
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