Joseph Frederick & Sons

id: 27154516

810 Stanton Rd
Wilmington, DE 19804

(302) 994-5786
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Heating Contractor

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Very polite, helpful and worked quickly. Seems to be an excellent person to represent your company


Called them to clear clog in drain between house and street. On 2nd visit to clear the clog, they used camera to scope the pipe. Told me tree roots clogged the pipe and the pipe...

Ken W 5/4/2019

Very polite, helpful and worked quickly. Seems to be an excellent person to represent your company more

Yearly Service for my Carrier furnace 1/7/2019

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! more

Excellent Tech! 2/7/2018

The technician that performed our annual heating system check was excellent. He was very professional and thorough in explaining the services he performed and even helped to rectify a problem I was having with my humidifier. more

electrical repair 2/5/2018

Steve did an excellent job diagnosing and repairing my problem. He was polite, pleasant to deal with and very clear in explaining the problem and what should be done to repair it. more

Review of recent service 1/25/2018

The service was excellent. The technician was professional and courteous.I highly recommend Joseph Frederick & Sons. more

Heater maintenance service 1/16/2018

CJ quickly introduced himself as soon as I opened the door. Don't think techs in prior years did. Nice touch. Had a question about a reading listed on the service form. Nothing was wrong. Just a matter of never asking what numbers represented in the many years of having service. CJ politely & friendly answered & took me to the heater to show where info. was located on manufacturers plate. He represents your company well. more

HVAC 11/16/2017

They are more expensive than other options we considered for AC units but their service was and is excellent. We called them again when our water heater/water boiler needed replacing. I would gladly recommend them to others. more

Service Kevin 11/3/2017

Kevin serviced my gas heater- thorough & excellent job, very knowledgeable; pleasant personality more
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Owner Message
  • For over six decades, the Joseph Frederick & Sons name has meant the best in residential and commercial plumbing, heating and air conditioning systems. Our licensed and registered electricians and plumbers are known for their quality work and for their personal touch.Joseph Frederick & Sons has designed and installed hundreds of residential and commercial systems and provides maintenance and service for many more. We ensure the finest year-round system operation available today.Joseph Frederick & Sons continues a family tradition built on three generations of quality products, quality workmanship, integrity and service to the homes and businesses of northern Delaware.Joseph Frederick & Sons has also added bathroom and kitchen to our line of services. Our designer has more then 20 years of experience. As with all of our services you expect high quality craftsmanship.

Additional information
  • Hours: monday: 07:30-16:30, tuesday: 07:30-16:30, wednesday: 07:30-16:30, thursday: 07:30-16:30, friday: 07:30-16:30
  • Payments: American Express, Discover, Master Card