Furnace Safety & Maintenance Tips
When it comes to furnaces and HVAC systems, the phrase "an ounce of prevention is worth a pound of cure" definitely applies. Manufacturers know this too, which is why they typically void any warranties if regular maintenance is neglected.
An efficient and well-maintained heat exchanger is essential for a working furnace. During the process of heating the heat exchanger, combustion gases should be venting safely out of the house.
Heat Moves to Heat Exchanger