AirGlen
Envion Therapure TPP240 HEPA Air Purifier
Full specification
Coverage Area200 sq ft
Filtration TypeTrue HEPA + Carbon + UV-C
Fan Speeds3 settings
Noise Level~50-60 dB
Dimensions9.5 x 9.5 x 20 inches
The verdict

The Envion Therapure TPP240 is a solid budget-friendly HEPA air purifier well-suited for smaller rooms where basic allergen and odor control is the priority. Its combination of true HEPA filtration, carbon pre-filter, and UV-C light offers good value for the price, though buyers seeking smart features, whisper-quiet performance, or larger room coverage may want to look elsewhere.

Key features

What stands out on the Envion Therapure TPP240 HEPA Air Purifier.

  • 01True HEPA filtration captures 99.97% of particles down to 0.3 microns
  • 02Activated carbon pre-filter reduces odors and VOCs
  • 03UV-C light technology helps neutralize airborne germs and bacteria
  • 043-speed fan settings for customizable air cleaning
  • 05Covers rooms up to 200 square feet
  • 06Filter change indicator light
  • 07Compact tower design for small to medium rooms

Full review

Our hands-on assessment and where it fits.

The Envion Therapure TPP240 is a compact HEPA air purifier designed to bring cleaner, fresher air to small to medium-sized rooms without dominating the space with bulky equipment. Its slim, tower-style design allows it to fit neatly into bedrooms, home offices, or living areas where floor space is limited. At the core of the unit is a true HEPA filtration system capable of capturing up to 99.97 percent of airborne particles as small as 0.3 microns, including dust, pollen, pet dander, and other common household allergens. This makes the TPP240 particularly appealing to allergy and asthma sufferers who need reliable relief from irritants circulating through indoor air. Beyond its HEPA filter, the Therapure TPP240 incorporates an activated carbon filter that targets odors and certain airborne chemicals, helping to neutralize smells from cooking, pets, smoke, and other everyday sources. This combination of true HEPA and carbon filtration provides a more comprehensive approach to air cleaning, addressing both particulate matter and unwanted odors in a single pass through the machine. The purifier operates with multiple fan speed settings, giving users the flexibility to increase airflow when deeper cleaning is needed or dial it down for quieter operation during sleep or focused work. Its straightforward control panel makes it easy for users of any technical background to adjust settings without hassle. Practicality is a strong theme throughout the TPP240's design. The unit is lightweight and easy to move from room to room, making it convenient for people who want portable air quality improvement rather than a fixed, whole-home system. Filter replacement is simple, encouraging regular maintenance that keeps the purifier performing at its best over time. For anyone seeking a no-frills, effective HEPA air purifier that tackles allergens, dust, and odors in personal spaces, the Envion Therapure TPP240 offers a dependable, budget-conscious solution that delivers noticeable improvements in indoor air quality.

Pros & cons

What we liked

  • Effective HEPA filtration for allergens and dust
  • UV-C light adds germ-killing capability
  • Relatively quiet operation on low/medium settings
  • Compact footprint fits easily in bedrooms or offices
  • Simple one-button controls, easy to use
  • Affordable price point compared to premium purifiers

Worth noting

  • Replacement filters can be pricey over time
  • No smart features or app connectivity
  • Highest fan speed can be noticeably loud
  • No air quality sensor or auto mode
  • Limited coverage area compared to larger units
  • Plastic build feels less premium
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