Williams Service Company remains OPEN and ready to serve during this crucial time.
Please contact us if you are in need of HVAC service.
(717) 755-2902

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Check Out Our Money-Saving Residential Service Plans:

REDUCE VIRUSES with an Air Purifier

REDUCE VIRUSES with an Air Purifier

HALO-LED™ Whole Home In-Duct Air Purifier

The HALO-LED™ is the industry’s first LED in-duct, whole home air purification system that is both mercury free and zero ozone compliant. The HALO-LED™ proactively treats every cubic inch of air conditioned space, reducing airborne and surface contaminants and pollutants through bi-polar ionization and revolutionary, patent pending, REME-LED™ technology.

  • Long-life replaceable LED cell module with 2.5x longer life than current mercury vapor UV lamp technologies
  • Industry’s first washable catalyst for high load environments (ie. cigar bars, smoking rooms)
  • Reduces airborne and surface microbials, bacteria, viruses, and mold
  • Reduction of smoke, odors, VOCs, allergens, dust, and particulate
  • Mercury and ozone free
  • Seven-year limited warranty

Contact Williams Service Company for a free quote:

Furnace Repair in York PA

Heating Systems

Williams Service Company in York PA can help save you money by replacing your existing equipment with new high efficiency equipment.
Air Conditioning in York PA

Air Conditioning Systems

Let Williams Service Company install a quality air conditioning system in your home and save with a maintenance agreement.
Refrigeration in York PA

Refrigeration Systems

Our commercial HVAC services cover heating systems, air conditioning systems, and ventilation systems to keep your equipment operating efficiently.

Commercial & Residential Installation & Service

Hours a Day

Days a Week

Days a Year

REDUCE VIRUSES with an Air Purifier

REDUCE VIRUSES with an Air Purifier

HALO-LED™ Whole Home In-Duct Air Purifier The HALO-LED™ is the industry’s first LED in-duct, whole home air purification system that is both mercury free and zero ozone compliant. The HALO-LED™ proactively treats every cubic inch of air conditioned space, reducing...

The Williams Service Company’s Difference

Friendly • Proficient • Reliable

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.