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2 answers

If you have two thermostats you might have two systems. If you do have two systems the upstairs system might not be working. check the breakers.

2007-01-14 09:11:38 · answer #1 · answered by johntindale 5 · 0 0

First Check out heater it self, that's the easiest.The blower on it might have went out. second check the air duct might have a break or came apart...


GOOD LUCK.........

2007-01-14 09:24:19 · answer #2 · answered by adevilchild38 5 · 0 0

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