Whirlpool Whispure HEPA
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Upper-Range Purifier, Very Effective

The Whirlpool Whispure AP51030K is one of the top-rated models on the market today. It is in the higher price range of purifiers, but lives up to its price point in terms of efficacy and hygiene. It includes a three-stage filtration system, HEPA filter, and is suitable for use in large areas. It has four fan settings and a sleep mode for quiet usage at night, and does not emit any ozone or ions. It is not the best purifier for deodorizing but it will take care of light odors around the home.

6 total speed settings

The Whirlpool Whispure AP51030K featues four fan speeds as well as a sleep and a turbo mode. The sleep mode automatically changes the unit to the lowest fan settings during pre-set hours.

315+ CADR

Clean Air Delivery Rate, or CADR, is measured by the amount of clean air a purifier can deliver to a room in a certain amount of time and is the best measure of a purifier’s efficacy for different room sizes; with CADR levels of around 315, the Whirlpool Whispure AP51030K is suitable for large rooms up to 500 square feet and more than adequate for medium to small size rooms.

Replaceable filters

You will have to buy replacement filters for this unit over time. A new HEPA filter is recommended every year and a half, and a new carbon filter is recommended every 4-6 months. This does add to the general cost of owning this model, but buying new filters regularly also ensures that the filters will not get clogged and impede the devices’ purification process.


True HEPA filter

The Whirlpool Whispure AP51030K includes a certified HEPA filter, which will remove 99.97% of air particulates down to .3 microns. This is sufficient for almost all common allergens, including pet hair, dandruff, pollen, mold, ragweed, and mildew. A HEPA filter is regulated by the US Department of Energy and tested for quality before it can be certified.

3-stage filtration system

This model has a pre-filter for catching larger particles like pet hair, which helps keep the more valuable and sensitive filters clean. A carbon filter absorbs odors, gas, and also traps larger particles without the use of damaging ozone or ions. The HEPA filter captures particles as small as .3 microns to provide maximum filtration power. This makes it an effective air purifier for serious allergy sufferers, asthmatics, and people with respiratory conditions like COPD, as it does not emit any sort of excess chemical or molecules into the air.


Generates excess heat during use

Users have reported that the Whirlpool Whispure AP51030K lets off an unusual amount of heat during usage, especially at the higher fan settings. This can make it uncomfortable to use in small spaces, especially during summer months or in warm climates.

Low deodorizing power

The Whirlpool Whispure AP51030K is not the most effective model in its price range for odor removal. While the carbon filter is generally less toxic or irritating than ozone and ionic filters, it does not include enough carbon for powerful deodorization. Users interested chiefly in removing smoke or pet odors will want to seek out a different model.

Overall Review

The Whirpool Whispure AP51030K is an ideal purifier for anyone whose main concern is reducing allergens and particles within the home. While the deodorizing power of this model is sub-par, it far outperforms cheaper models in terms of capturing small particles and creating a healthier environment for asthmatics or allergy sufferers. The true HEPA filter is an important factor in deciding which air purifier to buy, as it is the only way to ensure the validity of advertised promises.