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Lennox RL-45 Air Filter
Filters for your Lennox RL-45 come in many filtering levels, depending on your air quality needs and air handler size requirements. The measurement proportions of the filter is not really a choice that needs to be made because of the constraint of your air handler. HVAC specialists suggest that the filter is replaced for a clean one every 90 days or so to maintain the best air quality in the home.
Easy warnings your main filter is in dire straights
- The main filter looks like it is filled with dust and could be replaced right now
- Professionals have suggested to switch out the air filter in your unit about every three months for to keep the air inside the house cleaner
- If you were to lift up the filter, the light will hardly shine through to the other side of a clogged air filter
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