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Lennox XP14-042 Air Filter
Lennox XP14-042 filters exist in many different types and sizes, in which the one you choose will depend on your desire for cleaner air and the specific size of filter you need for your system. The measurement proportions of the filter is not a choice that needs to be made but rather a requirement of your system. HVAC specialists suggest that the air filter is exchanged for a new one every 90 days or so for optimal air quality through the ducts.
Key signs of an unhealthy primary air filter
- When you face it toward a light, the light is unable to break through to the other side of the air filter
- Professionals have suggested to switch out the air filter in your unit every season of the year to assist in keeping the indoor air clean and fresh
- The filter looks gross and the best thing to do would be to replace it ASAP
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