EVA Alto Four Air Purifier Review

The EVA Alto Four Air Purifier is a powerful, advanced and versatile appliance with a whole host of features. It has a coverage area of up to 45 square metres and filters an impressive 210 cubic metres of air per hour. It achieves an excellent filtration rate (up to 99.97% for allergens alone), utilising a true HEPA filter and an activated carbon filter.

View full product specification.

One feature of interest is the air quality sensor. It essentially monitors the current room's air quality and signals the fan to increase/decrease in speed based on its readings. The appliance also has a child lock mechanism, a timer function, a silent mode and a night time mode. It has a very low carbon footprint, and a long lasting filter.

About EVA

EVA are an air purification brand with, at the time of writing, four air purifiers - Alto One, Alto Four, Alto Nine and Alto Infinity. They have a reputation for high quality, reliable and highly practical products.

Specification

The feature are as follows:

• Suitability - The EVA Alto Four Air Purifier can be used all around the house, including in kitchens, utility rooms, living rooms, dining rooms, bedrooms and bathrooms. It works effectively in large rooms with a floor area up to 45 square metres.
• CADR - The appliance has a CADR (Clean Air Delivery Rate) of up to 210 cubic metres per hour.
• Filtration - The appliance has a true HEPA filter and a high density activated carbon filter. Up to 99.97% of allergens are removed, therefore making the air purifier suitable for allergy suffers, as well as people with breathing difficulties. Two sets of filters are included with the appliance. There's also a replace filter indicator.
• Air Quality Sensor - The air purifier has a professional grade PM2.5 particulate sensor which automatically changes the fan speed based on its readings. The air quality is displayed on the appliance as a coloured light - Blue (perfect), Green (normal), Purple (poor) and Red (high risk).
• Child Lock - The touch controls can be child locked.
• Timer Function - The appliance's run time can be scheduled with ease.
• Silent Mode - The EVA Alto Four Air Purifier has an extremely low decibel rating. It outputs a mere 17dB of noise which is quieter than a whisper.
• Night Mode - The appliance detects the current light level and, if it's too dark, the lights will automatically dim and the unit will switch over to "Silent" mode.
• Low Carbon Footprint - The air purifier consumes a low amount of power and has a long lasting filter.
• Specification - The appliance measures 34.7cm x 17.5cm x 53.5cm and runs at 34W.

Video

There's a video of the EVA Alto Four Air Purifier on amazon.co.uk.

Summary

Overall, the EVA Alto Four Air Purifier is a practical appliance which is designed with convenience in mind. It can be used around the house in rooms up to 45 square metres in size, with a CADR of 210 cubic metres per hour. We like its multi-stage filtration system, its air quality sensor with automatic adjustment and also its night mode. We rate the EVA Alto Four Air Purifier 4.5 out of 5 stars.

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