Williams Service Company

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Williams Service Company's dedication to extraordinary service is what sets us apart from our competition. We accomplish this through a unique combination of a highly trained workforce and superior equipment. Each and every one of Williams Service Company's technicians is EPA certified and cross-trained in HVAC and refrigeration.

Serving South Central Pennsylvania since 1979, our extensive fleet of GPS guided service vehicles is fully outfitted with modern, well-maintained equipment, capable of handling any service call. The result is an unmatched diagnosis rate. We find the problem and we solve it...quickly and efficiently.
Williams Service Company services: Commerical HVAC - heating systems, air conditioning systems, ventilation systems, boilers, air dryers, control systems. Commercial Refrigeration - bakery equipment, commercial mirowaves, restaurant refrigeration, ice machines, restaurant cooling equipment, walk ins, reach ins, exhaust fans. Residential - gas heating systems, oil heating systems, central heat pump systems, air conditioning systems, gas hot water heater systems, oil hot water heater systems, tankless hot water heater systems.

Williams Service Company's diverse commercial and residential customer base spans the following areas: York County PA - York, Dallastown, Jacobus, Loganville, Red Lion, Dover, York New Salem, Manchester, Mount Wolf and Wrightsville. Lancaster PA - Mount Joy, Elizabethtown, Landisville, Manhiem, Marietta, Columbia, Lititz, Ephrata, Millersville, Mountville and New Holland. Hanover PA - East Berlin, Biglerville, Fairfield, Gettysburg, Glen Rock, Jefferson, Littlestown, New Oxford, Spring Grove and York Springs. Harrisburg PA - Hershey, Mechanicsburg, Camp Hill, Marysville, Middletown, Dillsburg, Lewisberry and Dauphin.