Aprilaire U191 25x20 in. MERV 11 TriPure 3 in. Filtration Whole House Media Air Cleaner

SKU: ap19362  |  Model: U191
Regular price $13499

Have a question or need a quote? Ask Our Experts

Live Chat | 1 (800) 934-9194 | Email

Manufacturer's Warranty

10-Year Limited Warranty; 10-Year Clean-Coil Commitment (New HVAC Systems Only)

What's In The Box?

  • Aprilaire U191 MERV 11 TriPure Filtration Whole House Media Air Cleaner
  • 25 x 20 x 3-Inch MERV 11 Air Filter
  • Owner's Manual, Guides, and Other Documents

Info & Guides

A portable air purifier can only clean the room it's working in. The AprilAire U191 25x20 Whole-House Air Purifier works on a larger scale, mounting into your HVAC system so the air your blower already circulates passes through filtration media before it reaches any room in the house. It is designed for professional installation with your heating and cooling equipment, and it helps protect that equipment by catching dust before it builds up inside the system.

Key Features and Benefits of the AprilAire U191 25x20 Whole-House Air Purifier

  • MERV 11 Filtration: The included 3F911 MERV 11 3-inch filter removes up to 92 percent of household dust and pollen, so you breathe cleaner air in every room.
  • TriPure Technology: AprilAire's TriPure Technology combines advanced filtration with greater energy efficiency and long filter life, so your home stays protected with less upkeep.
  • 12-Month Filter Life: One 3F911 filter lasts up to 12 months, up to two times longer than other leading brands, so you only change it about once a year.
  • Lower Airflow Resistance: The filter shows up to 30 percent lower airflow resistance than leading brands in ASHRAE 52.2 2017 testing, helping your HVAC system move air with less energy.
  • Easy-Glide Rails: The redesigned easy-glide rail system guides each filter into the correct position the first time, so changes go quickly and without guesswork.
  • Galvanized Steel Cabinet: The galvanized steel and plastic housing closes with a secure door, keeping the filter sealed in place between changes.
  • Warranty Terms: The purifier warranty and Clean-Coil Commitment each run for 10 years; the latter includes $250 toward professional coil cleaning on qualifying new HVAC systems.
  • Healthy Air App: The Healthy Air App from the App Store or Google Play schedules filter replacement reminders, so you know exactly when the next 3F911 is due.

Will the U191 Fit Your HVAC Setup?

The U191 holds a filter with a 25 x 20-inch nominal size, while the cabinet measures 25.063 x 6.75 x 22.063 inches (H x W x D). The 6.75-inch width keeps the cabinet slim. Its 22-inch depth and 25-inch height mean your installer should confirm there is enough open space next to your HVAC equipment before mounting. Because the cabinet holds just one filter, each replacement involves a single 3F911 filter rather than a stack of media.

Sylvane's Expert Take

The AprilAire U191 25x20 Whole-House Air Purifier makes the most sense if your household deals with allergies, pet dander, or smoke and your home has forced-air heating and cooling. If you're installing a new HVAC system, have the U191 put in within 6 months to qualify for the Clean-Coil Commitment, then keep filter changes on schedule so it stays valid. For whole-home filtration you rarely have to think about, it's hard to beat.

Customer Reviews