Changing My Lennox Horizontal Hvac Filter Attic

I can t find any filter on my furnace.

Changing my lennox horizontal hvac filter attic.

Decoding upflow downflow and horizontal upflow downflow and horizontal are very important factors when purchasing your hvac equipment however you might be wondering what these terms actually mean. Went with a furnace with a pull out filter. I want to change my furnace filter. On horizontal hvac units with the return duct attached to the side of the air handler the filter often fits in a slot on the return air intake side of the unit.

Securely slide the new filter in place of the old one making sure you follow the arrows printed on the sides of the filter frame. These arrows point to the direction of the airflow which should be toward your furnace or air handler. Remove the existing filter and insert the new filter following the direction of the arrows printed on the unit. If you have any questions about the size you need you can refer to the owner s manual for your furnace or air handler or contact your local lennox dealer.

Utility rooms in the upflow or horizontal position. Get help from your lennox dealer. I had a two and a half ton unit put in my attic and it sounds like a diesel truck running all time my other unit was 6 years old and you could not hear it run m y house is 7 years old and the coil went out in it my electric bill went from 140 00 to 278 00 this unit is half the size of the older one it looks like a closet unit for a small. Up until this weekend we always had our filters in the intake vents in a hallway ceiling.

If you pulled them from your ceiling that s all you need to do. These terms are used to explain the direction of airflow through your system and how your furnace is installed. Just had to replace my furnace coil and condenser this weekend. This furnace design has not been csa certified for instal lation in mobile homes recreational vehicles or outdoors.

The general rule is to change a furnace filter usually located behind a return air vent or in a slot on the furnace itself at least once every 90 days. Btw in east texas all furnaces coils blowers go in the attic. On your lennox hvac unit the filter cabinet is located next to the air handler or furnace. Depending on your lifestyle and the type of.

Use of furnace as construction heater lennox does not recommend the use of sl297uhnv units as a construction heater during any phase of con struction.