Inquiry (采购产品): Exhaust fan Looking for a exhaust fan i can attach to a duct and blow out wall to reduce heat in a room and reverse and blow cold air in the winter. Would also like to use a thermostat in this system. Trying to control the temperture in a main computer room. The existing air conditioning system is is not doing the job Do you have anything? **** Hidden Message ***** John Spies P.O. Box 174 West SAlem, OH 44287 USA Company: Spies Construction Title: Owner Phone: 330 416 5122 Fax: 419 853 4325 E-mail: jton701@aol.com **** Hidden Message ***** jton701@aol.com
