From Installation to Repair, Find the Top HVAC Pros in Hazleton, PA

SJ Kowalski Inc is a family-owned and operated business that has been serving the heating, air-conditioning and plumbing needs of the greater Hazleton and surrounding areas since 1972. We install high-quality equipment from today's industry leaders while providing "round-the-clock" 24 Hour Emergency Service. Our team of experts provides expert service and preventative maintenance to make sure your heating and cooling systems are running efficiently and effectively. We are committed to providing the best products and solutions to help lower your energy costs and keep your family safe and comfortable.