Pro tip: Mark an arrow on the furnace panel to remind yourself which direction to place the filter. Slide it in, replace the cover and turn on the furnace. Is it better to have a dirty air filter ...

Either way, don't let an air filter remain in the furnace ... The best way to check for carbon monoxide leaks is to install a detector. You should ask a furnace service technician to visit your ...

As winter approaches, it’s super important to make sure your furnace is in top shape to keep your home warm and energy ...