How often should I change or clean my filters?

Dirty filters should be replaced to prevent equipment from working harder, resulting in energy waste and possibly causing damage to your unit. Filters should generally be replaced every month when the system is running. Filters should be replaced with the same kind and size as your original filter. If the filter is not disposable, follow the manufacturer’s instructions for cleaning it. The pre-filter and collection cells of an electronic air cleaner should be cleaned at least two or three times per year.

Check the filter every 3 to 4 weeks. Replace your filter when necessary, or clean it if you have the reusable type. Reusable filters, should be completely dry before they are re-installed.

For some good tips on what to do before calling for service and for suggestions on duct-balancing along with other operating tips for your heating, cooling, and heat pump systems, please click here for heating and cooling  and here for heat pump systems to download a PDF of a handy booklet that we provide to our customers.

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