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Question: 1 / 400

How often should air filters in HVAC systems be replaced?

Once a year

Every 1 to 3 months, depending on use

Replacing air filters in HVAC systems every 1 to 3 months, depending on use, is crucial for maintaining optimal system performance and indoor air quality. Regular replacement of air filters helps to capture dust, allergens, and other particulates that can impede airflow and strain the system. If the HVAC system is used frequently or in environments with higher levels of dust and allergens, more frequent replacement every month or two may be necessary. Conversely, in less demanding situations where the system is used less, extending the interval to three months can be appropriate. This variability underscores the importance of evaluating both the operational demands of the HVAC system and the specific conditions of the environment, leading to effective maintenance practices.

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Every 6 months

Monthly regardless of use

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