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Lennox CBX26UH-024 Air Filter
HVAC specialists suggest the your furnace filter gets replaced four times a year because the filter can get clogged and may result in poor air flow in the home. The size of the whole house filter personal choice because it is based on the declared size of your air handler. The main filter can filter out bad things in the air and other particles from the furnace.
How do you know if your main filter is about to stop working?
- As you face it toward a light source, it will hardly penetrate through the dirt filled filter
- The unit air filter looks brown and maybe should be replaced without delay
- Professionals have suggested to replace the filter every three months in order to have cleaner breathable air inside
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