The term air flow configuration describes the physical orientation of a furnace relative to the direction in which heated air leaves the furnace and enters the ductwork.
Lennox furnace air flow direction.
The most common terms used to describe the air flow configuration are.
Lennox provides the best in home heating and systems with top of the line hvac systems furnaces air conditioners and many other home heating air products.
Upflow downflow and horizontal.
A furnace filter has one side that allows it to breath fresh air through while the other side traps dust and particles from the air.
These arrows point to the direction of the airflow which should be toward your furnace or air handler.
If you have already replaced your filter and your system makes excessive noise.
As quiet as they are efficient lennox furnaces also startup and run perfectly quietly helping to preserve the peace and quiet of your home.
Get help from your lennox dealer.