what could cause this? on 1997 Ford Escort

MY air used to work,right before it got cold,then used heat,worked fine,went out,no,air,defrost,nor heat.IS this just the thermostat.What do ido.need to get it resolved,before it snows.Please help.

by in Columbus, OH on November 27, 2012
2 answers 3 comments
ANSWER by , November 28, 2012
Do you mean the blower fan does not work?
COMMENT by , November 28, 2012
I dont know.the heat nor the air comes on.could this just be the thermostat?
COMMENT by , November 28, 2012
Need to have fuses and relays checked. If they are ok have the blower motor checked. Thermostat is not the reason fan won't blow.
ANSWER by , November 28, 2012
need more info to assist
COMMENT by , November 28, 2012
the air nor the heat will blow.could this be the thermostat?