Inquiry (采购产品): heat exchanger we have just moved into this house. It has electric heating coils in the ceiling. Each room has its' own thermostat. It has a heat in the attic crawl space. We have been told it can be used before really cold weather, but no one knows how. A thermostat has has (fan off, Auto, On) the other side has ( heat, cool, off) can you tell us how to use this? We thank you so much. **** Hidden Message ***** Beverly Moore Box 68 703 Smith St. Clarence, , IA 52216 USA Company: home owners Phone: 563-452-3236 E-mail: otis006@netins.net **** Hidden Message ***** otis006@netins.net