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Lennox HPXA12-036 Air Filter
All air filters exist in many different filtering types which all depends on your personal choice for how clean you want the air and air handler size requirements. The size of the air filter can not be a choice you make due to the requirement of whoever designed your heating and cooling system. Professionals in the industry advise that the filter is changed every 3 months for optimal air quality throughout the home.
Major clues the primary air filter should be replaced
- If you place a light source behind it, the light will not show on the other side a dirty filter
- The system air filter looks brown and replacing it would be best without delay
- It is highly advised to switch out the air filter in your unit every 90 days to keep the house clean and less dusty
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Before buying or purchasing, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the correct air filter is being ordered. HVAC professionals could be quite expensive to hire so you could call around to find a good deal if you do not want to pay too much.
Feel free to download your manual for help.
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