Shark HC451 3-in-1 Clean Sense Air Purifier, Heater & Fan, HEPA Filter, 500 Sq Ft, Oscillating, Small Room, Bedroom, Office, Captures 99.98% of Particles for Clean Air, Dust, Smoke & Allergens, Black
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Availability:
14 left in stock
Arrives
Sep 19 – Sep 21
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Color: Black
Features
- 3-IN-1 MODES: Choose between purified air, purified heat, or purified fan for pure comfort in every moment.
- POWERFUL PURIFICATION: Pure Air Microforce uses a powerful, fast fan to deliver 4 speeds of purification based on the air quality around you.
- EXCEEDS HEPA STANDARDS: Anti-Allergen* NANOSEAL captures more micropollutants than HEPA standards require. Trapping 99.98% of large, small, & micro-sized particles (based on EST-RP-CC007.3, 0.10.2 microns). *Allergens refers to non-living matter.
- AUTOMATICALLY ADJUSTS: Clean Sense IQ tracks air quality and constantly adjusts power to maintain clean air in your home. (Measures three particle sizes: PM1, PM2.5, and PM10).
- SMALL ROOM COVERAGE: Cleans up to 500 square feet based on 1 air change per hour. Perfect for smaller rooms such as bedrooms, laundry rooms, mud rooms and nurseries.
- WORRY-FREE ALLERGEN RELIEF: Protects your home from common air pollutants such as dust, dander, allergens* and smoke. *Allergens refers to non-living matter.
- PURIFIED HEAT: Thermal Comfort Control intelligently adjust to your selected temperature, warms rooms & maintains your ideal temperature.
- PURIFIED FAN: Use as an air purifier or as a purifying fan with powerful, oscillating airflow.
- FOR A GOOD NIGHT'S SLEEP: Ultra quiet performance, with dimmable lights for minimal sleep interruption.
- WHAT'S INCLUDED: Shark Air Purifier 3in1 & Nanoseal HEPA Filter.
Description
The Shark Air Purifier 3-in-1 uses Pure Air Microforce to deliver fast, powerful, and quiet purification with added purified heat and purified fan modes for spaces up to 500 square feet. Clean Sense IQ senses air quality & auto-adjusts to improve and report results in real time. A HEPA filter captures 99.98% of airborne particles like allergens, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2 microns).“Allergens” refers to non-living matter.
Color: Black
Brand: Shark
Product Dimensions: 10.43"D x 10.43"W x 23.62"H
Floor Area: 500 Square Feet
Specification Met: HEPA Standard
Color: Black
Brand: Shark
Product Dimensions: 10.43"D x 10.43"W x 23.62"H
Floor Area: 500 Square Feet
Specification Met: HEPA Standard
Controller Type: Button Control, Remote Control
Wattage: 1500 watts
UPC: 622356591065
Manufacturer: Shark
Item Weight: 12.78 pounds
Item model number: HC451
Batteries: 1 Lithium Ion batteries required. (included)
Care instructions: Replace Filter every 6-12 months based on use
Assembly required: No
Number of pieces: 3
Warranty Description: 2 Year Limited Warranty
Batteries required: Yes
Included Components: Nanoseal HEPA filter with Microban, Removable remote, Shark air purifier MAX 3-in-1
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sep 19 – Sep 21
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Dark Grey
I'll review this from a few of the most important standpoints. Size: - It's definitely not small! That being said, before I had a heater and air purifier separately and when stacked this is smaller than those two together. I think it's important to recognize the combination. The footprint itself isn't huge, but it's tall. Sound: - Fan Mode: On a moderate speed of 3 (out of 6) it's still very quiet. On 4 it's pretty noticible. Anything higher it's kinda loud. It's moving good volume of air though at those speeds. I find that even at the moderate speeds it was sufficient air for my office. - Air purifier: A little more quiet than the fan modes at the same speeds - Heat: Again on speed of 3, but it's much much louder. I don't find it louder than my previous infrared heater. Air volume: Good in all modes. It can really put out in the high modes at sacrifice for quietness. Oscillation: Nice to have to more evenly distribute airflow. Remote: I like that it docks in the top of the device with magnets, but feel it's a missed opportunity to have it charge as well. At this price point, it would have been a nice value add. Overall: I think this is a solid unit that would do well for use in a variety of rooms. The lights are controllable so would turn off in a bedroom, and I could see the sound being a good white noise for folks that like that. I appreciate the variable options between heat and fan and really looking forward to that in places like my office that fluctuate wildly.
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Reviewed in the United States on March 25, 2025 by z s
Color: Dark Grey
First, this unit is much bigger than I expected. I always check product dimensions, but somehow didn't anticipate a slimmed-down version of R2D2. What I also didn't expect was that I was buying a refurbished unit. I read all the specs and product details multiple times before making my purchase, but did not see any mention of the item being refurbished. That may have been my oversight, and regardless, it's now working like a champ, and my home smells a lot cleaner. I'm trusting that the air really is cleaner, too, because I live on a street with lots of traffic that generates unhealthy particulate matter. Reading other reviews, I was concerned about the product off-gassing an unpleasant chemical smell, but it turns out that the smell isn't from the unit itself. It's the actual filter that smells and emits a toxic fug. When removing the filter from the unit to take off the plastic it's sealed in, the smell was released, and when I went over to check if the unit itself smelled as well, it didn't. But the filter smell dissipated fairly quickly, so it wasn't an issue. Immediately after turning on the unit for the first time, at the highest fan setting, the readout was showing the air quality at 100%, which was highly unlikely, considering that I live next to a very busy street, and hadn't been using my other air purifiers for a while. And I would have expected that the initial toxic filter smell alone would have caused the initial readout to be lower. But despite that, it's been working fine since and appears to now be showng accurate air quality and temperature readouts. It's said that one of the most common household pollutants is generated when we make toast. I was happy to see that when I make toast, the Shark air quality readout lowers almost immediately (even though I always use the kitchen extractor fan when toasting bread) , so it seems that the air quality gauge is now providing what I assume is more or less accurate data. The filter also efficiently rids my apartment of cooking smells from adjacent units. It does it so well that even if that's all it did, I'd be happy enough to have bought it for that alone. I have other supposedly high-quality air purifiers, but they couldn't cope with cooking smells very well at all. The temperature readout on this unit is always correct. I have several free-standing temp gauges in my home, and they all show the same indoor temp as on the Shark unit. As for the fan-only function, it probably wouldn't be effective if the unit were placed several feet across a room, but that's not a deal-breaker as my Dyson tower fan does such a great job that it cools from afar, even on the lowest setting. So, overall, I'm very happy with the air-cleaning function and fan function on this unit, and the few times I've use it in heating mode, it quickly warmed up my good-sized, high-ceilinged living room, and I never had to have it in heater mode for more than 10 minutes, which is helpful given the skyrocketing electric rates in California. So overal l-- and especially for a refurbished unit -- this multi-function air purifier is effective, efficient and a great value.
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Reviewed in the United States on November 18, 2024 by Marinite
Color: Dark Grey
I bought this unit for my office as a heater/fan combo, haven't used the air cleaner function. According to the display my air is always clean, so there's probably no need for it. The thermostat isn't very accurate as it mostly measures its own temperature, but that's normal for standalone heaters. A bigger issue is the IR remote, something straight from the 80's that you have to point at the sensor exactly to make it work. But you can also dock it on the top which is kind of neat and works much better. The fan runs very quiet at the lower settings and doesn't have excessive noise at higher settings. The swivel function has some rattling, however, which could be irritating if you depend on it. The unit also looks great and is compact for all its functions. It's a great little companion when you need some extra heat or air flow for your room.
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Reviewed in the United States on February 27, 2025 by Dr. Otto
Color: White
Got it on sale and I’m upset that I didn’t buy 2!! Fantastic air purifier and I love that it has a fan to stay cool or heat while still purifying! Love it worth it
Reviewed in the United States on July 19, 2025 by Ashley Perez
Color: Dark Grey
Love this fan/heater/air purifier in one unit. Doesn't take up a lot of floor space. Great buy.
Reviewed in the United States on July 7, 2025 by Emily R.
Color: Dark Grey
Love it works great. Very quiet
Reviewed in the United States on July 22, 2025 by Nolte
Color: Black
AVOID AT ALL COSTS!!! UNSAFE! SHARK DOESN’T STAND BEHIND THEIR PRODUCTS!!! I’d give this less than 1 star if I could. I had this product in my newborn infants room to keep the air clean and keep it warm. Walked in during the middle of the night and the product had a strong smoke odor and air quality in the room was noted at 60%. This machine was polluting, not purifying!!! I called Shark just trying to get a refund because I am going to buy the Dyson (no longer trust Shark products); they were entirely helpful and I had to escalate my case multiple times to get anyone to engage. Obviously I can’t get my money back from Amazon as it’s beyond the 30 days and now Shark won’t uphold its 60 day product guarantee bc I bought on Amazon. Terrible company… They also asked for details about the cord while I was on the phone with them…I’m speculating this is a known issue, which makes it even n more disgusting
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Reviewed in the United States on March 11, 2025 by Amazon Customer