At Circle Heating & Cooling, Inc. we have prompt, dependable service. Servicing all makes and models. Offering Lennox Home Comfort Systems. Visit our showroom in Melvindale, Michigan. We can also provide you with custom duct work that is made right here in our own shop, water heaters , humidifiers, filters and a wide selection of parts. We offer FREE estimates and will be there to service your equipment in the furture. Our new location 5724 Chase Rd, Dearborn.