Many things can be at fault when a furnace is not blowing hot air but only blowing cool. You can look at and fix a few things on your own before you call an HVAC technician for a house call. But you ...

Q: When I bought my house, the home inspector found nothing wrong with the furnace, but his report says, “The furnace may need maintenance or repair soon.” This did not seem urgent at the time, ...

Whether you're wondering if you accidentally switched on air conditioning mode to fretting that your home's heating system is about to break down, nothing sends a chill down your spine like the ...

As temperatures drop, your furnace becomes the unsung hero keeping your home warm and comfortable. But like any hardworking appliance, it can run into trouble, especially after months of sitting idle.

man with open furnace unit attempting to fix it while reading directions from a tablet - Gregorbister/Getty Images Whether you're wondering if you accidentally switched on air conditioning mode to ...