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Lennox XP13-036 Air Filter
The furnace filter can filter out some allergens and other particles from the furnace. Professionals in the industry advise that the air filter is changed four times a year because the filter can get clogged and may result in poor air flow throughout the home. Exact measurements of the HVAC air filter choice that needs to be made due to the constraint of the availability of room of the manufacturer of your system.
What are some hints that my main filter has a need to be replaced?
- Manufacturers have advised to switch out the air filter in your unit four times a year in order to have clean air in the home
- When you face it toward a light, the light cannot infiltrate to the opposite side of a completely clogged filter
- Filter appears filthy and packed with dust very badly
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