About Us

Since 1989, Postma has been Chatham-Kent’s trusted name for heating, cooling, plumbing, and electrical services. Locally owned and operated, we provide reliable solutions for both residential homeowners and commercial property managers across Chatham-Kent, Windsor, Sarnia, and St. Thomas. Our team specializes in furnace and boiler repair, air conditioning service, duct cleaning, sump pump installation, generator sales and service, electrical panel upgrades, water heater repairs, and more.

With over 1,000 5-star Google reviews, Postma is known for honesty, trust, and giving customers the best advice—never scare tactics or pressure sales. Our memberships provide year-round peace of mind with priority service, no overtime fees, discounted repairs, and annual precision tune-ups.

From emergency “no heat” furnace calls to “no cool” AC service, plumbing leaks, or electrical upgrades, our licensed technicians are ready to deliver dependable service backed by warranty. We also help homeowners and businesses embrace the future with solar energy systems, EV charger installations, battery backup solutions, and EP Cube energy storage technology.

For more than 35 years, Postma has been committed to the community we serve—supporting local initiatives, sponsoring youth sports, and providing professional service that keeps homes and businesses safe and comfortable.

Contact us today for expert HVAC, plumbing and electrical services in Chatham-Kent.