Healthmate HM 400 HEPA Air Purifier VS. Alen BreatheSmart 75i

It features a Pure Antimicrobial True HEPA Filter that captures 99.97% of airborne particles down to 0.3 microns in-order to keep your house clean.

It features a Pre-set timer/scheduler that will help you select between 4, 8 and 12 hours of operation before the device shuts-off.

It can effectively purify air in large and open living-rooms of up-to 1,300sq.ft every 30-minutes to keep rooms feeling fresh at all times.

There is an optional, Fresh Antimicrobial True HEPA Filter that will help this unit to trap and eliminate cigarette-odor. However, this filter is sold separately.

It can clean air in rooms of up-to 1300Sq.Ft every 30-minutes and it even provides multiple air-flow intake and outlet thus creating a high airflow-delivery-rate.

It uses a Pure Antimicrobial True HEPA Filter to capture 99.97% of airborne-particles including germs within your home-environment.

It still uses a Pure Antimicrobial True HEPA Filter to capture 99.97% of dust-mites and other airborne-particles down to 0.3-microns.

It can effectively trap and eliminate 99.97% of airborne particles including pet-dander using an integrated Pure Antimicrobial True HEPA Filter.

The Pure Antimicrobial True HEPA Filter can eliminate 99.97% of airborne-particles including pollen which is one of the main causes of allergies within people.

It uses an optional Fresh Antimicrobial True HEPA Filter to trap and eliminate smoke within your house. However, this filter is sold separately.

It can trap and eliminate mold-spores and other airborne-particles and efficiency of 99.97% in-order to keep your rooms very fresh.

It captures 99.97% of allergens and other airborne particles down to 0.3-microns using an integrated Pure Antimicrobial True HEPA Filter.

It uses WhisperMax technology to ensure quiet-operation with about 25dB at the lowest speed-setting and 49dB at the highest speed-setting.

It’s equipped with a washable Pre-filter (with HEPA-filter) in-order to ensure efficient performance at all times.

All its filters are very easy to replace using simple tools and you don’t need any technical-help for installation.

It uses an Auto-mode and Laser Smart Sensor to detect most airborne particles and then self-adjust the fan-speed to achieve best air quality.

It features a sleep-mode that operates at lowest speed-setting with lights-off coupled with extra silence thus making it perfect for use in bedrooms.

It uses about 45-watts at the highest speed-setting and lesser watts at the lowest speed-setting making it very energy efficient.

This unit is very energy efficient whereby it uses the same amount of electricity as a 45-Watt light bulb.

It features button-controls at the top which include; An Ionizer, Timer, 4-speed-fan-speeds, Automatic-mode, Sleep-mode, Smart-sensor and Filter-life-indicators

It’s equipped with a Smart Filter Light indicator that will let you when it’s time to replace the pre-filter and HEPA-Pure Antimicrobial filters.

This unit is very economical due to its low energy consumption. In fact, it uses the same amount of electricity as a 45Watt light-bulb.

Its very ideal for use by people with asthma because it’s equipped with a Pure Antimicrobial True HEPA Filter that captures 99.97% of Allergens.

Both the Washable Pre-filter and Pure Antimicrobial True HEPA Filter should be replaced after 12-to-18 months of regular use in-order to ensure optimum-performance.

It features a locking control panel and child-safe vent guard that make it very safe for use in homes with kids and pets.

It does not produce ozone via its Ionizer and it’s certified to be Ozone-free by California Air Resources Board (CARB).

It features a tower-shaped body with no sharp sides coupled with several plastic interchangeable front panels and a control-panel located at the top-section.

It features dimensions of; 18.5 x 27 x 11.5 inches coupled with a metallic tower-shaped body with simple polyester and plastic interchangeable front-panels.

It features a weight of 27lbs (12.2kg) which makes it a bit heavy to carry around your house.