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4
votes
7answers
20k views

what is beeping in my house?

I know this sounds like a silly question and it may be closed before it may get a single answer but there is something strange in my house which beeps infrequently. I tried to troubleshoot the sound ...
3
votes
3answers
21k views

Why is my furnace blowing cold air?

My HEIL 7000 natural gas furnace has stopped working what are the most likely causes, and how to verify faulty parts? Normal operation routine Thermostat sends "need heat" signal. Exhaust blower ...
1
vote
1answer
439 views

How to troubleshoot/diagnose an oven that won't heat past a certain point?

Our ovens (double-stacked Nutone Hotpoint circa 1960s) are old: About 2 months ago, we noticed that the bottom one - which had been running great for years - wouldn't get any hotter than just ...
0
votes
0answers
46 views

Strange beeping in house [duplicate]

Possible Duplicate: what is beeping in my house? I've tried ALL the suggestions on this site and the beeping continues, every 20 minutes, day and night. Been going on for two months. Have ...