Q: What factors must be considered when deciding whether to use a large hot-air furnace with two zones or two smaller furnaces?
Q: We are renovating a 1980 home. The hvac sub says that since older fiberglass duct board disintegrates from the inside out, all of the ducts should be replaced. Could this be true?
A heating contractor details how to upgrade from a typical bare-bones heating system to one that delivers comfort and customer satisfaction.