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Lennox G40UH-48C-135 Air Filter
HVAC specialists suggest that the air filter gets replaced every 3 months for optimal air quality inside the house. Measurements of the HVAC air filter personal choice but rather a requirement of your system. Air Filters come in a wide array of types and sizes, in which the one you choose will depend on your air quality needs and air handler size requirements.
What happens when my air filter is almost bad?
- As you face it toward a light source, it will almost not permeate to the other side of the dirt filled filter
- It is greatly recommended to replace the filter every season of the year in order to keep the air free from too much dust
- The filter looks very bad and could be replaced real soon
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