Annie-Laurie Hunter
12-03-2007, 06:33 PM
In a house with a whole house fan and a mid efficiency furnace there should be a lock out switch so the whole house fan can not operate when the furnace is operating.
Does the same rule apply with the high efficiency furnace with both an intake and exhaust to the outside?
Annie-Laurie
Does the same rule apply with the high efficiency furnace with both an intake and exhaust to the outside?
Annie-Laurie