Heating and cooling
How to troubleshoot a furnace that won’t work.
...furnace is shut off.
Furnace not running? Easy DIY fixes are possible...
What to do if a furnace won’t run at all
If your furnace will not blow any air at all, first you need to find out why it is not turning on, and it could be any of the following easy fixes. Like above, the first thing to check is the thermostat; ...