Beyond the typical HVAC service checks for your customers, you might need to tackle issues with sub-slab HVAC ducts. In contrast to in-slab ductwork built into a concrete floor, sub-slab ductwork is ...
Q We have a two-story house, and in the summer the basement is cold. Is there a way to get this cold air into the rest of the house and minimize use of the air conditioning? We have run the furnace ...