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Carrier 39E Air Filter
It is highly recommended the your furnace filter is exchanged for a new one every 90 days or so as to maintain good airflow inside the house. The height, length and width of the filter is not a personal choice because of the constraint of the manufacturer of your system. Filters for your Carrier 39E are made in lots of types and sizes, in which the one you choose will depend on your demands for clean air and whether anyone suffers from allergies in the home.
Major signs your main filter has little life left
- The unit air filter looks like it is filled with dust and could be replaced now
- As you face it toward a light source, it does not shine through the filter at all
- It is advised to swap out your air filter every season of the year to keep the house clean and less dusty
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