Seven tips for choosing an air purifier

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Dry weather conditions cause wildfires, and the smoke quickly spreads to the surrounding areas. Even when the doors of a house remain closed, the smoke particles can penetrate the closed doors and windows and deteriorate the indoor air quality. It makes the indoor air unhealthy to breathe. The microscopic particles in the smoke can go deep into the lungs and cause sneezing, coughing, wheezing, asthma attacks, and bronchitis. The best air purifiers for wildfire smoke remove all the impurities from the indoor air and make it safe for breathing. When the indoor air quality is maintained, it avoids respiratory problems and lung damage.

The efficiency of all air purifiers is not the same. HEPA air purifiers are the most effective against smoke because they use a fan to force air through a fine mesh to trap the dust particles. Hepa filters can remove 99.97% of particles circulating in the air inside the house.

How to choose an air purifier

Size compatibility

Air purifiers come in different sizes, and their size should be compatible with the size of the room where it is installed. Air purifiers are effective only when they suit the room size. When a small size is installed in a big room, the air inside the room is not purified well. When a room has a slightly bigger purifier, it continues to be effective even at a lower setting.

Noise level

All air purifiers make noise while purifying the air. The noise ranges from 35 to 70 decibels, depending on the operational settings. Avoid disturbances at night by opting for cleaners that don’t make much noise.

Filter

Air purifiers must have HEPA filters and not ‘HEPA type’ or ‘HEPA like’ filters. Only HEPA filters capture the smallest particles and pathogens in the air. Purifiers with HEPA and activated carbon filters remove the odours in the room.

Clean-air delivery rate

The clean-air delivery rate (CADR) is the overall cleaning speed of the air purifier for particular room size. It represents the speed at which the purifier filters the smoke, dust, and other pollutants in the air. Air filters with high CADR purify the air quickly.

Air change per hour rating

The air change per hour (ACH) rating shows how many times in an hour the entire volume of the air in a room is filtered. A higher ACH rating represents better efficiency. People prone to allergies and asthma should opt for air purifiers with a high ACH rating. Air is filtered faster and reduces the presence of pathogens inside the room.

Ozone emission

Some purifiers emit ozone gas during the filtration process, and ozone can cause damage to the respiratory system. Before purchasing an air purifier, it is good to check whether it emits ozone while it purifies the air.

Maintenance

The air purifier maintenance depends on the type of filters and the frequency of filter replacement. HEPA air purifiers are energy efficient, but the filters have to be replaced once in three months to reap optimum benefits. Air purifiers with washable filters do not require frequent filter replacement, but they need more energy to function.

HEPA filters are the best air purifiers for wildfire smoke because they remove all the harmful particles in the indoor air. It helps people breathe easier and avoids damage to the respiratory system by circulating clean and fresh air inside the house.

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