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Key Specs
Recommended Room Size: 0 square feet (The recommended area size in which the product is designed to operate and produce optimal results, such as the desired heating or cooling. Generally, running a unit too big or too small for the space will result in ineffective operation and wasted energy.)
Air Quality Indicator Light(s): false (Lights indicate when the air quality level reaches or deviates from the desired setting.)
Ionizing: true (Uses ions to remove pollutants from the air.)
Filter Type: HEPA, Charcoal
General
Product Name: 3-in-1 True HEPA Air Purifier
Brand: GermGuardian
Model Number: AC4020
Dimensions
Recommended Room Size: 0 square feet (The recommended area size in which the product is designed to operate and produce optimal results, such as the desired heating or cooling. Generally, running a unit too big or too small for the space will result in ineffective operation and wasted energy.)
Product Height: 9 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
Product Width: 5.75 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
Product Weight: 3.7 pounds (The out of box weight of the item.)
Features
Air Quality Indicator Light(s): false (Lights indicate when the air quality level reaches or deviates from the desired setting.)
Ionizing: true (Uses ions to remove pollutants from the air.)
Number Of Fan Speeds: 3
Programmable Timer: false
Remote Control: true
Filter Info
Filter Type: HEPA, Charcoal
Filter Included: true
Filter Indicator Light(s): false
Certifications Listings & Approvals
ENERGY STAR Certified: false (Devices carrying the ENERGY STAR service mark, such as computer products and peripherals, kitchen appliances, and other products, generally use 20% to 30% less energy than required by federal standards.)
AHAM Certified: true (Products with the AHAM Verifide mark have been tested and rated by the Association of Home Appliance Manufacturers (AHAM) for their ability to reduce pollutants and allergens in the air.)
Other
UPC: 817624010403
Remove impurities from the air in your home or office with this GermGuardian AC4020 3-in-1 True HEPA air purifier, which helps keep air allergen and odor free. Adjust the fan between 3 speeds for optimal comfort.
Designed for use in a small-size room: To help keep the air clean and fresh.
Removes 99.97% of dust and allergens: Including household dust, pet dander, mold spores and plant pollen.
UV technology: UV light activates the Titanium Dioxide in the combination filter to kill germs.
3-speed fan: Allows customized airflow.
True HEPA filter: Captures particles as small as 0.3 microns.
Charcoal + PCO filter: Minimizes odors and smoke particles, and dissolves airborne bacteria and mold.
Date wheel: Reminds you when it's time to change the filter.
Whats Included
3-in-1 True HEPA Air Purifier
Owner's manual
Customers are saying
Customers highly value the 3-in-1 True HEPA Air Purifier's ability to improve air quality, with many noting cleaner-smelling air and relief from allergies. The purifier's quiet operation is also a significant plus for customers seeking a unit for bedrooms or other quiet spaces. The product effectively addresses concerns about mold spores and other airborne irritants. No significant drawbacks were reported by customers.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Rated 5 out of 5 stars
Quiet and effective
We needed to clear mold spores from the air in our home and needed a small, quiet option for the bedrooms. We put one of these in each bedroom and it instantly made the room smell fresher. I no longer wake up with a stuffy nose from mold allergies!
Posted by NeMomof6
Rated 4 out of 5 stars
Works Great!
This little guy works great! We have the tower for our family room and wanted something a bit more low profile in our bedroom. The design makes it look like it goes with a TV and it doesn't look out of place. This replaced our fan that we usually sleep with in our room to drown out the city noise. It's not as loud as we expected it (which I'm sure for some that's a good thing), but it's a constant sound and still does the job. We recently got a puppy and I was having some allergy issues and the GermGuardians have cleared that right up!
Posted by Carly
Rated 4 out of 5 stars
Air purifier
Nice gadget, able to sleep without snoring. Air feel cleaner.