Description
The AprilAire U131 is a 20×20 whole-house air purifier designed for professional installation with your existing HVAC system. It houses the AprilAire 3F311 MERV 11 3″ air filter and directs airflow through the filtration media to help clean air throughout the entire home while supporting HVAC performance and helping protect equipment from dust buildup. The U131 replaces the AprilAire 1310 Whole-House Air Purifier and features a redesigned, easy-glide rail system that ensures easier filter changes and correct filter installation every time, along with an effortless, secure closure air purifier door. Unlike portable room air purifiers that clean only one room, the U131 filters air throughout the entire home, using the AprilAire 3F311 MERV 11 3″ filter that exceeds industry requirements for MERV 11, removing up to 92% of household dust, pollen, and common allergens to help create a healthier indoor environment. The unit is designed for less resistance and more energy efficiency, delivering up to 30% lower airflow resistance than leading brands, and offers a long filter life of up to 12 months — up to 2x longer than other leading brands. Optimized airflow supports efficient HVAC operation while helping extend the life of the heating and cooling system. AprilAire is a proud partner of the American Lung Association in support of its mission to improve lung health (the American Lung Association does not endorse any specific product, device, or service). As part of the AprilAire Healthy Air System, the U131 can be combined with additional components — sold separately — including fresh air ventilation, humidity control, radon control, zoning, IAQ control, and UVC sanitization to address all aspects of indoor air quality. The U131 is backed by a 10-year whole-home air purifier warranty plus AprilAire’s 10-year Clean-Coil Commitment, which includes $250 toward professional coil cleaning. The Healthy Air App (available on the App Store and Google Play) can be used to schedule filter replacement reminders. Genuine AprilAire air purifiers and filters are designed and made in the USA.
Features:
- Whole-house air purifier designed for professional installation with existing HVAC systems
- Houses the AprilAire 3F311 MERV 11 3″ air filter
- Replaces AprilAire 1310 Whole-House Air Purifier
- Redesigned easy-glide rail system for simplified filter changes and correct installation
- Effortless, secure closure air purifier door
- Removes up to 92% of household dust, pollen, and common allergens
- Up to 30% lower airflow resistance than leading brands for improved energy efficiency
- Filter life up to 12 months — up to 2x longer than other leading brands
- Compatible with the AprilAire Healthy Air System (additional components sold separately)
- Proud partner of the American Lung Association
- Backed by a 10-year whole-home air purifier warranty plus 10-year Clean-Coil Commitment ($250 toward professional coil cleaning)
- Compatible with the Healthy Air App for replacement reminders
- Designed and made in the USA
Specifications:
- Model: U131
- MERV Rating: 11
- Materials: Galvanized steel, plastic
- Filtration Targets: Dust, dander, mold, pollen, dust mites, smoke
- Actual Measurements: 20.375″H x 6.75″W x 22.167″D
- Filter Nominal Dimensions: 20″H x 20″W
Included in the Box:
- (1) U131 Air Purifier
- (1) 3F311 Air Filter
- Installation Manual







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