To choose the best large room air purifier, you need to focus on these points.
First, Large room work efficiency.
For an air purifier for large room, the coverage should at least be around 840 ft²/hour. And the most standard core of air purifier is a HEPA filter. To judge if it is a qualified air purifier, first check if it is equipped with HEPA filters. The higher efficient it is, the more stations of filter it has. For an air purifier for large room is that, the capture ability should be among 0.3 microns of particle.
What's more, proper placing can also affect the work performance. There are more ways to enhace the efficiency of air purifier.
Second, power saving.
A power saving air purifier is better to have a air quality indicator, then you can know when it’s working, when it’s done. Working rate should be below 44 Watts.
Third, proper outfit size.
The easiest way to determine the right size of the air purifier for your room is to use the following formula: CADR x 1.55 = Square footage of your room. Follow this formula, you'll get the fastest air purification results for your room. Each unit has 3 CADR values: pollen, smoke, and dust.
Table to Tell You How to Choose the Right Air Purifier
Item | Rooms Below 500 ft² | Rooms Between 500 ft²-1000ft² | Rooms Between 1000 ft²-1500ft² | Rooms Beyond 1500ft² |
Room Types | Bedroom/Office | Living room/Kitchen/Basement | Living room/Kitchen/Basement | Living room/Kitchen/Basement |
Recommending Air Purifiers | Germ Guardian AC4825E | levoit Core 300 levoit Vital 100 Blue 411 Auto | Dayette AP301 | Dayette AP401 Coway Airmega AP-1512 Honeywell HPA300 Winix 5500-2 |
CADR | 100-150 m³/h | 100-200 m³/h | 250-350m³/h | 400+m³/h |
Noise Generated | 20-40 dB | 20-40 dB | 20-50 dB | 20-50 dB |
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