Pay attention to furnace smells. A metallic or burning odor could mean overheated electrical components. A musty smell ...

So the question here is whether or not it's allowable to use a lock at the circuit breaker for a furnace, in lieu of a separate service switch by the furnace. To get answers to electrical code ...

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 ...