Gillanders Heating Ltd., a family-run Heating & Cooling Company based in Chatham, Ontario, has been serving the community since 1947. Our team of experienced HVAC technicians is dedicated to solving your heating, cooling, and indoor air quality needs. Whether it’s a tune-up, repair, installation, or replacement, we strive to provide the highest quality service to our valued customers, treating them like family. Gillanders Heating Ltd., a family-run Heating & Cooling Company based in Chatham, Ontario, has been serving the community since 1947. Our team of experienced HVAC technicians is dedicated to solving your heating, cooling, and indoor air quality needs. Whether it’s a tuneup, repair, installation, or replacement, we strive to provide the highest quality service to our valued customers, treating them like family.