If you’re like most New Jersey residents, your home is heated and cooled by a forced-air system. A furnace, heat pump or A/C heats or cools the air, then a powerful fan blows it through ductwork and registers into your rooms. The air returns to the HVAC equipment via return ducts. By and large, your home’s heating and cooling system is only as good as its ductwork. Both comfort and energy ...
