HomeReviewsAir Purifier ReviewsHolmes HAP242-HUC HEPA-type Desktop Air Purifier Review

Holmes HAP242-HUC HEPA-type Desktop Air Purifier Review

Holmes HAP242-HUC HEPA-type Desktop Air Purifier Review

The Holmes HAP242-HUC Air Purifier Review
Holmes HAP242-HUC HEPA-type Desktop Air Purifier Review

The Holmes HEPA-type desktop air purifier is one of the cheapest air purifiers in the market that also works well. Ideal for small rooms up to 109 square feet (10m2).

Pros

  • Price. This unit is one of the best from the cheapest.
  • Cheap filters.
  • Small size.

Cons

  • Ionizer produces ozone. I don’t see the point of using it.
  • Low CADR. It takes more time to capture all the air in the room.


Holmes HAP242-HUC Design, size, placement

Holmes HEPA-type desktop air purifier is a small size, very lightweight. It is made from cheap plastic, not stylish. Straightforward design. Dimensions are 14.8 x 11.4 x 7.2 inches (37x29x18cm) and weight is only 6.7lbs (3kg). Very easily placed on the top of tables or anywhere you might need. It could be placed close to the wall – the air inlet is in front and the outlet on the unit’s top. The floor is not the best place for it.

And the manufacturer says that the unit can be placed vertically or horizontally. In reality, it is precarious when placed vertically.

How it works and what sources of indoor pollution destroy

Holmes HAP242-NUC uses a fan. Air is pulled through filters.

The unit uses 2 filters. One is a HEPA-type filter that removes 99% of typical airborne particles as small as  2 microns, such as pollen, dust, mold, pet dander. Remember, this is not a true-HEPA filter.

An activated carbon filter removes low odors from the air. For strong odors, you should choose other air purifiers.

The unit also has an optional ionizer. It’s simply a positive charge wire terminated with a sharp pin. The air smells fresher when it is on compared to when off. I think you should avoid using it because it produces ozone.  The ozone is dangerous to your entire respiratory system, even at low levels.

Holmes HAP242-HUC Features

  • 3-speed settings. You can switch between speeds using the digital switch
  • Optional ionizer switch. My advice is to leave it off.

Holmes HAP242-HUC Noise level

Quiet on low and loud on high speed.

Holmes HAP242-HUC CADR

CADR rating for smoke is 70.

Recommended room size 109 square feet times ceiling height 8 feet is 1520 cubic feet.

1520/70 = 22 minutes. Poor result. Other air purifiers capture all room air in less than 15 minutes.

Holmes HAP242-HUC Maintenance and upkeep

The filters should be replaced every 3-4 months with normal use. That is individual. If you feel that the air purifier no longer works, it is time to check filters. You can also wash carbon pre-filter to cut costs.

To remove the filters, you need to remove the front grill of the unit. To remove the grill, press the buttons on the left and right sides.

Power consumption: Low/Medium/High – 40/80/120 watts.


Holmes HAP242-HUC Summary

The Holmes HAP242-NUC is a cheap air purifier for small rooms with limited features. Good for general air quality. Nothing superfluous. Just keep in mind that it removes 99% airborne particles as small as 2 microns. True HEPA filters remove as small as 0.3 microns.


Holmes HAP242-HUC Specifications:

Capacity

109 sq. ft. / 10m2

Height

7.2 in / 18 cm

Width

14.8 in / 37 cm

Depth

11.4 / 29cm

Weight

6.7 lbs / 3 kg

Controls

Manual

Warranty

3 years

 

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