Phone Support


Phone support is available Monday - Friday 9AM-5PM PDT. If you leave a message after hours we will return your call as soon as we get in the office.

Email Us

Be sure to check out our extensive knowledge base with filter tips, ordering information and much more.

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Residential Service

People spend up to 90% of their time indoors, we know it’s vital to make sure your home’s indoor air quality (IAQ) is the very best it can be. Our collection of popular residential filters can help to minimize indoor air pollution, maximize your home’s HVAC performance, and keep your family comfortable and healthy.

Residential Filters

Commercial Service

In commercial office buildings, Indoor Air Quality (IAQ) is a primary concern. IAQ refers to the quality of indoor air breathed in by a building’s occupants. The pollution levels in this indoor air can be up to five times higher than outdoor levels, and poor IAQ ranks as one of the top five environmental risks to public health. Now more then ever, making sure that the circulated air is clean, and that occupants are protected, is vital.

Commercial Filters
Improve energy efficiency


17+ Years in Business

Since 2006 RTF has been a trusted online retailer for Furnace Filters and AC Filters. Some of the leading manufacturers recommend for replacement filters and we bet thousands of our satisfied customers would do the same. Our number one goal is to provide the very best service we can for our customers.

Commercial Filter Services

Suitable for many types of businesses not only retailers; hardware stores, commercial properties, school districts, hospitality, HVAC contractors and more. Our wholesale site will allow you to make purchases at your discounted pricing for both end users and retailers.

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Mailing Address

RTF doesn't offer will call orders. If you are paying "check by mail" please mail payment  to:

PO BOX 760, Lake Stevens, WA 98258

RETURNS: Returns must get approval and will need an RMA. Do not send returns to above address.