Warner Service Company

217 Monroe Ave
Frederick MD 21701
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Opening Hours

  • Mon: 7:30am-5pm
  • Tue: 7:30am-5pm
  • Wed: 7:30am-5pm
  • Thu: 7:30am-5pm
  • Fri: 7:30am-5pm


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Warner Service is a wholly-owned subsidiary of R.W. Warner, a full-service mechanical contractor. R.W. Warner also owns and operates Warner Industrial, Kaempf & Harris and Kennedy Fire Protection. Warner Service specializes in plumbing and heating services. The company s residential plumbing services include installation, repair and remodeling of water systems, well pumps, water heaters and conditioners, gas piping, sewage pumps and drains. Warner also provides residential installation, repair and remodeling of heating and air conditioning products, such as heat pumps, forced air furnaces, electronic air cleaners, humidifiers and thermostats, air ducts and energy recovery ventilators. The company also offers similar commercial plumbing, heating and air conditioning services. Additional commercial services include sewer and drain cleaning, office renovations, bathroom and kitchen remodeling, certified backflow inspection, chilled water system installation and energy management systems. Warner Service is based in Frederick, Md.