High Efficiency Combustion Air Intake
High efficiency furnaces can take combustion air from inside the house. Providing the room is large enough and the home …
High Efficiency
What Home Inspectors Look For When They Inspect the Furnace.
When I started in this profession, every furnace was a natural draft furnace. We used mirrors and a flashlight to look for holes and cracks in the heat exchangers. Nowadays we cannot see inside the heat exchangers because of their designs. This is why we use the equipment that we use.