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      • Air Conditioner Installation
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    • Air Ducts
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    • Dual-Fuel Systems
    • Ductless Systems
      • Ductless Installation
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    • Gas Furnaces
    • Geothermal Heat Pumps
    • Heat Pumps
    • Indoor Air Quality
    • Oil Furnaces
    • Oil-to-Gas Conversion
    • Radiant Floor Heating
    • Sheet Metal
    • Water Heaters
    • Whole-House Generators
    • Zone Control Systems
  • Plumbing
    • Drain Cleaning
    • Drinking Water
    • Faucet Repairs
    • Garbage Disposals
    • Home Sales and Sewer Line Inspections
    • Leak Detection Services
    • Pipe Repairs
    • Plumbing
    • Repiping
    • Reverse Osmosis
    • Sediment Filtration
    • Sewer Line Installation
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    • Water Heaters
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    • EV Charging Stations
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    • Light Switches and Light Fixtures
  • Products
    • Carrier
    • Aprilaire
    • Bradford White
    • Generac
    • Honeywell
    • Navien
    • Santa Fe Dehumidifiers
    • Square-D
    • Indoor Air Quality
    • Atlas Filtri Water Filtration Systems
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Oil Furnace Maintenance in Bear, DE 19701

September 24, 2024

“As always Donovan does an exceptional job. Explains changes or any problems. Friendly and informative. We request him all the time. Joseph Frederick s company from office staff to service technicians are wonderful and attentive. Great to deal with people who know and do their jobs so well.”

– William T.
« Toilet Repair Repair in Brandywine, DE 19810 » Sewer Line Maintenance Maintenance in Pike Creek, DE 19711-4812
Joseph Frederick & Sons logo.

302-994-5786

https://www.facebook.com/jfrederickandsons/

810 Stanton Road
Wilmington, DE 19804

HVAC
PLUMBING
ELECTRICAL
PRODUCTS
FINANCING
COMPANY

HVACR: HM-0000080
Plumbing: PL-0000903
Electrical: T1-0004333

Joseph Frederick & Sons logo.

302-994-5786

https://www.facebook.com/jfrederickandsons/

810 Stanton Road
Wilmington, DE 19804

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4.97/5 - 130 reviews

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302-994-5786