| Investigation for Buying an Air Purifier |
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| Before you buy your next air cleaner, ask yourself the following questions. |
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Does the manufacturer have independent tests to prove their claims? |
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Does the air purifier generate ozone? Is it safe? |
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How does it purify the air? |
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How much will it cost to run? What about hidden costs? |
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Is it noisy? |
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Is the technology clean and environmentally friendly? |
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What about size and portability? |
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How long does the warranty last? |