Our furnace recently started blowing cool air intermittently--it will start to light, but sounds like it's struggling to light. It will try several times, then finally just start blowing cool air. Also, sometimes it will be blowing worm air, then suddenly switch to cool.
First, we don't have any money right now (grad school :) and probably only need the furnace for another 3 weeks, so is this something we can live with for that long and fix next year? OR, is it a safety issue? Is there a clogged vent, and a possibility of Carbon Monoxide backing up? We had a severe carbon monoxide leak a few years ago and don't want to do that again.
Thanks for the advice!
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