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.

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.

When your heating and cooling system isn’t working properly, you might throw up your hands and call for help, thinking the solution must be outside your skill set. You might be surprised to learn the ...