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Tips given by Hunter Fan, I thought this was really helpful as a resource.

1. Measure the room where the air purifier will be used.

2. Click on the room size that most closely matches your room on the Air Purifier Selcection Guide.

3. Select the Hunter model with the CADR (Clean Air Delivery Rate)* performance rating to fit your room.

Things To Consider Before Buying An Air Purifier
How do you know that an air purifier is truly effective? Check the Association of Home Appliance Manufacturers (AHAM) seal on the package. AHAM independently tests and certifies air purifier performance. All reputable air purifier manufacturers display the AHAM certification seal, which includes the unit’s Clean Air Delivery Rate (CADR). CADR is the industry standard rating system for an air purifier’s effectiveness.

CADR: Real World Performance
CADR measures the amount of clean air that a purifier delivers into a room. It gauges real world performance, taking into account filter efficiency, airflow and room size. CADR is the single most important piece of information you need to make a head-to-head comparison of air cleaner performance.

What’s Changing?
Air Changes per Hour (ACH) is simply a measurement of how much air a unit moves, not how effectively the air is cleaned. Likewise, a filter’s “efficiency” measures the amount of particles that the filter material alone can capture in lab tests. These tests don’t incorporate real world factors like airflow design or fan speed. Remember, real world air purifier effectiveness is measured by CADR—not ACH or filter efficiency tests!

*CADR (Clean Air Delivery Rate) is an independently tested and certified measure of how effective an air purifier performs in the real world.

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pollutants.jpgCarbon dioxide: Present in the unpolluted atmosphere at a concentration of about 0.03% percent but 5% of the air we breathe out is carbon dioxide so the level increases in inadequately ventilated occupied rooms. The level of carbon dioxide is therefore often used to assess the efficiency of ventilation. Outside sources include vehicle exhaust fumes or other exhausts.

Carbon monoxide: Produced by any process of combustion, including cooking and tobacco smoking. A major source of carbon monoxide is vehicle exhaust.

Formaldehyde: A colourless gas with a pungent odour. Found in hundreds of different products, including insulation material, ceiling tiles, particle board, plywood, office furniture, carpet glues, various plastics, synthetic fibres in rugs, upholstery and other textiles, pesticides, paint and paper. Levels of emission increase with temperature.

Ozone: Naturally present in the air since it is produced from oxygen by ultraviolet radiation. Can also be produced by electrical discharges and is emitted by some items of electrical equipment such as photocopiers and electrostatic precipitator devices used to clean the air by removing dust.

Most people don’t realize the gravity of indoor pollution. Heck, even I don’t take it seriously sometimes. When I hang out at a bar and I’m sucking in the smoking air, the various fibers, acoholic fumes, etc. everything. I dread to think of how polluted my body’s repiratory system is…

August 2018
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