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Lennox HP13-036 Air Filter
HVAC specialists suggest that the filter is exchanged for a new one four times a year to maintain the best air quality throughout the home. Air Filters come in many types and sizes, which depends on your particular air quality needs and the specific size of filter you need for your system. Exact measurements of the filter is not a choice of options because of the constraint of whoever designed your heating and cooling system.
What red flags are there that my filter is not well?
- Sunlight cannot break through to the other side of a clogged air filter
- The system filter looks gross and replacing it would be best as soon as you can
- It is highly recommended to swap out your air filter about every three months in order to keep the air free from too much dust
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