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Lennox G20 Air Filter
Professionals in the industry advise that the filter that filters out particles from your home is exchanged for a new one every 90 days or so for optimal air quality in the home. Air Filters come in many types and sizes, in which the one you choose will depend on your choice for how clean you want the air and whether anyone suffers from allergies in the home. Exact measurements of the whole house filter personal choice because it is based on the declared size of your system.
General warnings of an ineffective air filter
- Many pros have advised to swap out your air filter every 90 days in order to have clean air in the home
- It looks bad and it would be best to replace it immediately
- When you hold it up, the light cannot breach the other side of a dirty filter
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