Choose an efficient room air purifier

Why? If you keep it on all the time, a standard air purifier can use more electricity than a new refrigerator. Efficient models use far less energy and are just as effective at removing dust, pollen, and other particles from the air. 
What to look for:
  • The ENERGY STAR® label. Certified models use 40% less energy than conventional models.
  • A high Clean-Air Delivery Rate (CADR). CADR measures how quickly the filter cleans the air, and a higher number is better. 
  • An appropriate size for your room. Larger models use more energy.
  • A High-Efficiency Particulate Air (HEPA) filter. This will catch even the finest particles such as pet dander, household dust, mold spores and plant pollens. Note that HEPA filters must be replaced annually. 

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