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Therapure 300D air purifier
A standard exists to quantify how well an air cleaner works. This standard is called CADR, clean air delivery rate. The standard setting body, AHAM, publishes a list of certified air cleaners, along with their effectiveness, measured with the CADR number. Therapure claims a CADR of 180 (at high setting), however the AHAM database does not list Therapure as a certified manufacturer. Furthermore, CADR numbers are measured for three contaminants separately: dust, tobacco smoke, and pollen. So, it isn't clear what Therapure is referring to when they claim a CADR of 180. As usual, Costco is offering the best price I can find. If you buy this direct from the Therapure web site, it will cost $150 plus shipping. If you hunt around the internet, most other sites will sell it for about $175. The Therapure 300 is meant to remove impurities in the air you breathe. It has a filter that can remove particles like smoke pollen, dust, animal dander, dust mites, and molds. Any living thing like bacteria and viruses that make it through the filter will by killed off by a powerful ultraviolet lamp. Finally, a second filter, a photocatalyst filter, removes toxic fumes and chemicals such as fumes from paint or newly purchased plastic products. The Therapure 300D air purifier requires maintenance. After every 300 hours, or about once or twice a month you need to remove the permanent HEPA filter and vacuum all the dust off the filter. You should also vacuum any other dust you can get to on the front grill work. Once a year, you are supposed to replace the Ultraviolet bulb inside the Therapure 300D. Replacement bulbs cost about $25 plus $5 shipping, if you buy them directly from Therapure. In summary, I don't recommend buying an air purifier that isn't AHAM certified, so I would pass on this and look to buy an air purifier that has been certified. |
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If you have asthma or allergies, one of the first things to do is make sure you are breathing