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Whirlpool 510 (AP51030K) Whispure Review

The Whirlpool 510 (AP51030K) Whispure true HEPA air purifier is made for rooms up to 500 square feet (46.5m).

This unit is within a $200 – $350 price range and has excellent ratings. Let me show you it is worth your attention.


  • It covers quite a big space.
  • High CADR ratings
  • The filter system works ideal for allergies, people living with asthma, and general air quality.
  • The HEPA filter should be changed only once a year.
  • Sleep mode


  • Loud on the highest speed

Whirlpool 510 Design, size, placement

Whirlpool 510 is quite big as a room air purifier. It looks like a heater, not very stylish. But it is a brilliant design, the air inlet is in front, but the outlet is on top. 

So you can place it close to the wall, which allows you to save space. Also, Whirlpool 510 has built-in handles to transport the air purifier. Weight is 25lbs (11.3kg), which is ok for this size air purifier.

Height 24in (61cm), width 20.5in (52cm), depth 10in (25.4cm).

How it works and what sources of indoor pollution destroy

Whirlpool AP51030K has a fan that moves air through 3 filters. A fan is a weak part of this unit. Many customers had problems with noise coming from a fan. That is because the fan is not balanced. If you have one of them, then you got a brack. Mine works very well.

The Whirlpool 510 has a 3-stage filtration system. Pre-filter captures large particles and helps to extend HEPA filter life. 

A carbon filter eliminates odors. The carbon filter is too thick to eliminate many odors, but the low ones get rid of very well. 

The middle is a true HEPA filter, which filters 99.97% of particles that are 0.3 microns and larger.

So with Whirlpool 510 filter system, you will eliminate dust mites, mold spores, pollen, tobacco smoke, pet dander, low odors, and other microscopic irritants that can pollute your indoor air and aggravate allergy and asthma symptoms.

Whirlpool 510 Features

  • This unit has electronic controls and 4 fan speeds. The buttons are plastic and look cheap, but I think you will not play with them very much.
  • The turbo setting is good for fast cleaning. It is loud, though.
  • An outstanding feature is sleep mode. When you push it, the purifier switches automatically to the low setting for 8 hours. After 8 hours, it goes back to the previous setting.
  • 2 Separate Filter Replacement Lights indicate when to replace the HEPA filter or charcoal pre-filter.
  • Built-in Handles to transport the air purifier to any room in the house.
  • Manufacturer’s 5-year Limited Warranty
  • Energy star qualified

Whirlpool 510 Noise level

It’s quiet in the-the low setting, annoyingly loud in the top one.

I suggest using a medium setting during the day and low at night. Use the highest speeds only for specific circumstances.

Whirlpool 510 CADR

CADR: Pollen scores 401

CADR: Dust scores 325

CADR: smoke scores 315

If used in a recommended size room of 500 square feet and say ceiling height is 8 feet, this air purifier gets rid of smoke, dust, and pollen in just 10 minutes. Amazing. Imagine how well it works in smaller rooms.

If you want an upgrade and pick a better design air purifier with better features, consider AirDoctor 3000 air purifier, Alen BreatheSmart 75i True HEPA Air Purifier, or Bissell AIR400 air cleaner.

Whirlpool 510 Maintenance and upkeep

The manufacturer recommends changing the pre-filter every 3 months. I suggest vacuuming this filter every 2 weeks. That will save you money. Of course, they are not very expensive; the 4-pack costs around $30.

The HEPA filter should be replaced once a year. 

Filters change easily.

Whirlpool 510 is energy-star qualified. Deficient energy consumption for that big unit.

Whirlpool 510 Summary

The Whirlpool 510 is a true HEPA filter air purifier with one of the market’s best-value general air purifiers. 

It covers 500 square feet of space and costs between $200 – $350.


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