About Us
Brian & Kristen Repasky,
Co-Owners
Williams Service Company was established in 1979 by Gary Williams, a skilled HVAC professional dedicated to serving the East York community. With a focus on quality craftsmanship and customer satisfaction, Gary quickly built a reputation for providing reliable heating, ventilation, and air conditioning services. Following his unexpected passing, ownership transitioned in January 1991 to brothers Bob and Tom Deroche. Bob, with a background in accounting, and Tom, an experienced HVAC service technician, honored Gary’s legacy while steering the company toward continued growth. In November 2024, Brian and Kristen Repasky acquired the business, bringing fresh energy and a steadfast commitment to excellence. Under their leadership, Williams Service Company remains dedicated to delivering high-quality service while expanding its reach and reputation.
Williams Service Company was founded in 1979 by Gary Williams, a skilled HVAC professional with a vision to serve the East York community. Starting with a small operation, Gary built the business on a foundation of quality craftsmanship and customer satisfaction, quickly earning a reputation for reliable heating, ventilation, and air conditioning services.
When Gary unexpectedly passed away, the company transitioned into the capable hands of brothers Bob and Tom Deroche in January 1991. With Bob’s background in accounting and Tom’s experience as an HVAC service technician, they upheld Gary’s legacy while guiding the business toward growth. In November 2024, ownership passed to Brian and Kristen Repasky, who purchased the company with fresh energy and a commitment to quality service, aiming to further its reach and reputation.
From those early days, Williams Service Company has grown into a leader in HVAC and commercial refrigeration, serving a diverse customer base that spans residential homes, commercial properties, and large industrial facilities. The company’s footprint now extends across Harrisburg, Lancaster, Hanover, and surrounding areas, driven by a dedication to solving HVAC challenges with expertise and care. Whether it’s a new installation, a system replacement, or a repair, the highly trained technicians approach every job with precision and a focus on optimal solutions.
As Williams Service Company continues to evolve, its success remains rooted in its team’s commitment to excellence. The staff takes pride in delivering top-tier service, ensuring every customer experiences the reliability and professionalism that have defined the company since its founding. Building on its rich history, Williams Service Company is poised to meet the needs of customers for years to come, carrying forward the legacy shaped by Gary and each generation of leadership.
The #1 Local HVAC Contractors in York County, Pennsylvania
We’re a team of local HVAC contractors that specialize in heating and cooling, refrigeration, and duct framework. Get started with our expert team and ensure that all your HVAC and refrigeration systems are working properly.
Commercial or Residential, We Get You Set Up With Expert HVAC Systems
Residential HVAC
If you need heating and cooling assistance around the home, we’ve got you covered! Our HVAC experts will get your home set up with AC systems or a furnace that keeps your property at the perfect temperature. With us, you’re never too hot or too cold. Relax and enjoy the comfort of your home at a temperature that you love.
Commercial HVAC
Does your business need assistance from a professional team of commercial HVAC contractors? We’ve got you covered! We work with commercial properties both large and small to make sure that your company has the perfect climate control system year-round. Focus on managing your business operations. Stop wasting time stressing about your office’s temperature.
Water Heaters
Water heaters are critical for getting a warm shower but also ensuring that your dishwashers, sinks, washing machines, and other appliances work correctly. Our team understands how to get your water heater working correctly to enjoy warm water around the home at all times!
Duct Framework
Whether you’re looking to install a brand new duct framework or need help with simple repairs, we’ve got you covered. We’re here to help you with anything that you need regarding your duct framework to continue running your HVAC systems efficiently. Our experts make sure you’re fully covered, no matter what.
We Help Home and Business Owners Manage Their Property’s Environment
Fast Turnaround Times
We understand that your time is valuable and that’s why we work quickly and efficiently. Williams Service Co. contractors make sure to get your HVAC systems installed, serviced, or repaired as quickly as possible.
A Reliable Team
You can count on the team at Williams Service Co. to show up when we say we will and to get the job done within the allotted timeframe. Our goal is to make sure that we don’t leave you hanging and that we get your HVAC systems working properly for you to stay comfortable.
Competitive Rates
We pride ourselves on getting you the best possible rates for HVAC services, commercial refrigeration assistance, and duct framework help. That’s why our team offers some of the most competitive rates in the industry. Work with our team and know you’re getting the best possible price!
Friendly Team Members
We don’t just care about professionalism. We care about creating a positive experience for each one of our clients, too. That’s why the team at Williams Service Co. is extremely friendly in every interaction we have with you. With us, you know that you’ll be greeted by a cheerful smile at all times!
