Frank J. Klein & Sons

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Since 1929, in Baltimore, Maryland and the surrounding metropolitan area, the skilled technicians at Frank J. Klein & Sons have helped our customers with their plumbing, heating and air conditioning needs. We are a family owned service and installation company, and take pride in our friendly, capable customer service and licensed technicians.

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Frank J. Klein & Sons Inc. is your local family owned and operated business for all of your air conditioning needs. We have been serving Baltimore and...

Air conditioning Services

Check, replace and repair any component of an air conditioning system or heat pump to maintain peak efficiency and comfort control...

Frank J. Klein & Sons specializes in installation and service repairs on hot water heaters, boilers, heat pumps, air conditioning systems, furnaces,...

Heating Services Check, replace and repair any component of an electric, oil, natural or propane gas heat pump, furnace or geothermal heating system including...

Plumbing Services

Leaky Faucets, Toilet Problems, Garbage Disposals, Sinks, Showers, Tubs, Sump Pumps, Water Leaks

Drain Cleaning

Clogged Toilets, Slow Drains, Backups, Drain Vents


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Counties Serviced

Baltimore City
Anne Arundel
Prince Georges

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