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Honeywell HHT270 Litter Box Air Purifier

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Set Alert for Product: Honeywell HEPAClean Tabletop 13' x 13' Room Air Purifier - $49.89
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☑ Powerful HEPA  filter
☑ Easy Interface
☑ Electronic filter replacement indicator
☑ Litter box air purifier
☑ Activated Carbon filter reduces odor and VOCs

Last updated on July 6, 2020 2:54 pm

Score & Analysis

Features Score



Price Range : LESS THAN $100

Group Rank : #5( out of 29 Products )


Average score in the group


Best score in the group



Overall Rank : #36( out of 85 Air purifier )


Average score in Air purifier


Best Score in Air purifier



Features Group This
Best Average Remarks Best Average Remarks
CADR (Clean air delivery rate) 235 127.67 below average
N/A 184.33 below average
CADR Dust 155 91.24 below average
68 164.7 below average
CADR tobocco smoke 155 84.79 below average
55 163.45 below average
CADR pollen 159 96.11 below average
65 176.64 below average
Air changes per hour 5 4.46 Best
5 2.8 Best
Energy consumption [Watt] 15 42.22 Above average
N/A 65.6 below average
Room Size 600 172.83 below average
85 332.98 below average
Noise level [db]-Air purifier 24 40.4 Above average
N/A 41.09 below average
Airpurifier weight [lb] 2.9 8.21 Above average
3 13.22 below average
Warranty [Months] 60 35.14 Best
60 42 Above average


The Honeywell HHT270 is a perfectly designed tabletop purifier. Small and compact design makes it an ideal one to be placed on the bedside, or even at your office desk. The litter box air purifier may appear small; however, it is capable of cleaning your room from most of the airborne pollutants.

This air purifier is a powerful one with quiet many useful features. Let us see what features does it have and how this help to keep your home pollutant-free.

It is available in two colors; white and Black.

Features of Honeywell HHT270 Litter Box Air Purifier

3 cleaning levels

Don’t get mistaken by the size of this Honeywell air purifier. It is a powerful purifier in small packaging. This air purifier comes with 3 cleaning speeds to give you the cleanest air at all times. The 3 cleaning speeds are low, medium, and high.

You can very conveniently adjust them as per the prevailing air indoors. The easy to grip knob lets you choose the cleaning speed easily.

Ideal for small rooms

This 13×13 air purifier is the perfect choice for a small room of 85 sq.ft. You can choose to place it in your bedroom for cleaning the air during the day and night too. This Honeywell small room air purifier is useful in the office. Place it on your table or desk and enjoy clean and pure air while you work.

A Dual action HEPA filter

A filter is the core of any purifying device. The Honeywell HHT270 air purifier has a dual-action HEPA filter. There is only one-stage purification process. As the HEPA filter has an activated carbon filter in it, the filtration process helps to eliminate particles from the air and also traps odors, gases, and VOCs.

The HEPA filter captures 99% of the airborne pollutants at 2 microns. It is capable of capturing PM 2.5 particles like pet hair, mold spores, dust, pollens, etc.

Low Sound

This Honeywell air purifier is pretty quiet and can be used as a bedroom-centric purifier. The 3-speed purifier makes a very negligible sound at the lowest setting.  At the highest setting too, the noise level does not cause much disturbance.

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Additional information

Specification: Honeywell HHT270 Litter Box Air Purifier



Mold spores



Bacteria and viruses

Chemical and gas fumes

Odros and smells

Pet dender

CADR rating

CADR (Clean air delivery rate)




CADR tobocco smoke


CADR pollen


Air changes per hour


Energy consumption [Watt]


Room Size


Noise level [db]-Air purifier


Filters & Sensors
Hepa fliter

True hepa Filter

Air quality sensors

Carbon filter

Filter replacement indicators


Washable pre filter

Other useful
Carrying handle


Digital control

Night light

Programmable timer

Technology-Air purifier
0.3µm particle removal (%)


Antimicrobial treatment

Ozone free

Photocatalytic oxidation

Plasma wave technology

Airpurifier Height [inch]


Airpurifier Length [inch]


Airpurifier weight [lb]


Airpurifier Width [inch]


Warranty [Months]


Wireless controls

Amazon Alexa-Air

Google Assistant-Air

App Control-Air

Remote Control-Air

Voice Control-Air


Does the air purifier add to noise in the house?

No. The Honeywell air purifier is quiet while operating. At the lowest setting, there is absolutely no noise. Even at the highest speed, the noise is bearable.

Can this purifier clean the house with pets?

Yes, the HEPA filter takes care of pet hair and pet dander. The activated carbon filter traps the odor and thus keeps the air fresh and clean.

How often should the filters of the litter box air purifier be replaced?

The HEPA filter of this air purifier needs to be changed every 4 months depending upon its usage.

Can I wash the pre-filter? Is it reusable?

No. There is no pre-filter in this purifier. There is a HEPA filter with an integrated carbon filter which is not reusable.

How to maintain Honeywell HEPA air purifier?

The purifier needs cleaning every 3 months for maintaining it at its best. You can clean the external of the device with a soft dry cloth. Do not use any water or chemical liquid to clean the purifier.

How long does the pre-filter last?

There is no pre-filter in this air purifier. It only consists of a HEPA filter with a carbon filter integrated into it.

Where to place the purifier for maximum performance?

It is best to place the purifier on a flat surface. It is also advisable to run the purifier with the doors and windows closed. To enable proper airflow place the device at least 3 feet away from walls and furniture.

What airborne impurities can the purifier eliminate?

The air purifier can effectively capture 99% of the airborne particles like dust, pollen, pet hair, dander, mold spores, etc. The activated carbon filter also helps to eliminate household odors, gases, and VOCs.

How much does the purifier weigh? Is it portable?

The purifier weighs 3 pounds approximately. It is the best air purifier for table and desk. Yes, it is portable as it is compact and small. You can carry it from one room to another without any difficulty.

Does the device have any special features?

Yes, the purifier consists of a HEPA filter which has an added activated carbon filter too. Together they trap large particles, dust, pollen, VOCs, gases, and odors too.

Who can benefit from this Honeywell tabletop purifier?

This air purifier is capable of capturing 99% of the airborne particles as small as 2 microns. Thus anyone who wants to have clean and pollutant-free air in the house can use this purifier. It is also helpful for those who have pets in the house. The purifier can eliminate pet hair, dander, and odors too. This leaves the air clean and fresh.

How much is the power consumption of this device? Does it have an energy star certification?

The power consumption of this device is only 27 watts at its highest setting. You can use it for extended hours without worrying about energy consumption. Yes, it has an energy star certification too.

How much room coverage does it provide?

The Honeywell HEPA air purifier is an ideal device for small rooms of 85 sq.ft. You can use it in your bedroom and office cubicle to get clean and pure air. The ACH of this device is 5X. This means that the purifier can clean your rooms 5 times in an hour. Thus, giving you larger room coverage.

Can the purifier be controlled with an app?

No, there are not many smart features in this device. You cannot control it with any wireless app.

How much warranty does it have?

There is a 3-year limited warranty on this product. This warranty is only applicable for any defect in the product due to labor or damage in the parts of the purifier.

What type of filter does the Honeywell air purifier have?

There is only one filter in the purifier. It is the HEPA type filter. The filter also has an in-built activated carbon filter for added cleaning. Thus along with particles and pollutants, you can also get rid of odors, gases, VOCs, etc.

How many cleaning speeds are there? Are they adjustable?

There are 3 cleaning speeds in the Honeywell purifier. You can choose from low, medium, and high speed. Yes, the speeds are easily adjustable using the knob placed on the purifier itself.

Is there an ozone emission from the device?

No, there is no ozone emission from this air purifier. It is environment-friendly and safe to use indoors.

Can the device turn off automatically?

No, there is no automatic turn off feature in this purifier. You have to manually turn it off using the controls on the device.

Is there a filter change indicator in the litter box air purifier? Does it consist of an air quality indicator?

Yes, there is a filter change indicator in the purifier. The indicator light turns red when it’s time to change the filter. The filter change indicator will go on after 4 months. However, the replacement time also depends on the usage. In case of a large amount of contaminants, the replacement time may vary. No, there is no air quality indicator.

Is there a remote control feature?

No, there is no remote control feature in the device. You have to operate the purifier manually.

What are the CADR values for the Honeywell small room air purifier?

The CADR values for the Honeywell air purifier is 55 cfm (smoke), 68 cfm (dust), and 65 cfm (pollen).

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