Room Air Filter Ratings

Experts weigh in on the efficacy of air purifiers and what to consider before buying one in 2020.

Room air filter ratings.

When purchasing an air purifier ensure that the device fits the room space. The blue pure 211 is highly rated for its solid performance in removing dust smoke and pollen from room air. Human hair has a diameter of 100 microns. This model is designed for medium sized rooms about 155 square feet and features a true hepa filter for guaranteed removal of 99 97 percent of airborne particles down to 3 microns.

Air purifiers made for small rooms cannot purify large rooms. Similar to coway s airmega this model also has an led light that constantly indicates. To test air purifiers we inject smoke and dust particles into a sealed chamber and measure how well each model removes particles between 0 1 and 1 micron. Covers 840 square feet.

Join a community of millions of consumers. With an average 4 4 star rating across over 1 600 reviews amazon customers clearly love this air purifier. What makes this product so good is the 4 stage air cleaning system with one of the highest grade hepa filters available. These air purifiers are designed only for a limited area as specified by the manufacturer.

Ach rating this abbreviation stands for air changes per hour and this rating tells you how often the air purifier can exchange the full volume of air inside a room. For example an air purifier with a 4x ach rating means that the unit can swap the existing room air with clean air four times every hour or every 15 minutes. Get our expert independent ratings and reviews trusted reporting plus tools to help keep you. Medify ma 40 air purifier.

The first step for purchasing the best hepa air purifier is to consider the size of your room. Merv filter ratings and efficiency. The blueair s filters aren t true hepa certified but they are still effective. It circulates the air in the room over.

This powerful air purifier tackles pollutants of all types making the room it s placed in a much healthier environment. Room air purifiers ratings.