7 Best Westinghouse Air Purifier Picks for Cleaner Air

The best Westinghouse air purifier depends on your space, budget, and daily needs. Some models work well for travel, while others fit bedrooms or larger rooms better. A few options even pair air cleaning with added moisture for extra comfort.

This guide compares the 1804, 1701, 1702, and replacement filters in a simple way so choosing the right one feels much easier.

More Details on Our Top Picks

1. Westinghouse 1804 Portable Air Purifier with HEPA

   Best for Travel

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   Should you need clean air that can travel with you, the Westinghouse 1804 Portable Air Purifier with HEPA stands out as a smart pick. You get patented NCCO technology that uses active oxygen to sanitize air and break harmful material into carbon dioxide and water. Its medical grade H13 True HEPA filter captures dust, pollen, smoke particulates, and allergens as small as 0.3 microns. Because it weighs only 2 pounds, you can carry it in your car, on planes, trains, and into hotel rooms. You’ll also appreciate the quiet 35-decibel operation, touch controls, battery power, and filter indicator during long trips.

   • Product Type:Portable air purifier
   • Filtration Technology:H13 True HEPA + NCCO
   • Target Pollutants:Dust, pollen, allergens, smoke, bacteria, viruses
   • Coverage:10 sq m
   • Power/Runtime:Battery powered, up to 8 hours
   • Certifications:ETL certified
   • Additional Feature:Travel-ready strap
   • Additional Feature:35 dB quiet
   • Additional Feature:Filter change indicator

2. Westinghouse Air Purifier 1702 with True HEPA

   Best for Large Rooms

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   Should you want an air purifier for a medium-sized room where odors, allergens, and pet mess seem to linger, the Westinghouse Air Purifier 1702 with True HEPA is a strong fit. You get advanced 4-stage filtration with a pre-filter, True H13 HEPA filter, and patented NCCO technology. Together, they remove 99.97% of airborne pollutants and kill 99.95% of harmful organisms.

   That means cleaner air across 400 to 500 square feet, whether you use it in a bedroom, kitchen, or sitting room. It tackles pet hair, dander, smoke, cooking smells, VOCs, and runs quietly at 37 dB. You also get CARB and cETL certified safety.

   • Product Type:Air purifier
   • Filtration Technology:4-stage filter + H13 HEPA + NCCO
   • Target Pollutants:Pollutants, pet hair, dander, smoke, odors, VOCs
   • Coverage:400–500 sq ft
   • Power/Runtime:Not specified
   • Certifications:CARB, cETL, UL867 tested
   • Additional Feature:4-stage filtration
   • Additional Feature:Pet odor reduction
   • Additional Feature:Whisper-quiet 37 dB

3. Westinghouse 1701 True HEPA Air Purifier

   Best for Bedrooms

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   For allergy sufferers, pet owners, and anyone who wants cleaner air in a smaller room, the Westinghouse 1701 True HEPA Air Purifier stands out as a smart, comforting fit. You get a 4 stage system with a pre-filter, True H13 HEPA filter, and medical-grade NCCO technology that removes airborne pollutants and sanitizes harmful organisms. That means less pet hair, dander, and other common irritants floating around you. It also tackles secondhand smoke, cooking smells, pet odors, and VOCs, so your room feels fresher. Because it covers up to 300 square feet at a whisper-quiet 37 dB, it suits bedrooms and workspaces safely.

   • Product Type:Air purifier
   • Filtration Technology:4-stage filter + H13 HEPA + NCCO
   • Target Pollutants:Pollutants, pet hair, dander, smoke, odors, VOCs
   • Coverage:Up to 300 sq ft
   • Power/Runtime:Not specified
   • Certifications:CARB, cETL, UL867 tested
   • Additional Feature:4-stage filtration
   • Additional Feature:Allergy relief support
   • Additional Feature:Secondhand smoke reduction

4. Westinghouse 1804 Portable Air Purifier with True HEPA

   Best Portable Pick

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   Travelers and commuters who want clean air without carrying a bulky machine will likely connect most with the Westinghouse 1804 Portable Air Purifier with True HEPA. You can slip this beige, personal-size unit into travel plans with ease. It weighs about 1.5 pounds, includes a woven leather strap, and runs up to 8 hours per charge.

   That portability pairs with serious cleaning power. Its 3-stage system uses an Oxygen Generator, True HEPA filter, and patented NCCO Reactor to tackle dust, allergens, smoke, odors, VOCs, bacteria, viruses, and germs. You also get quiet 40-decibel operation, touch controls, CARB certification, and safe ozone-tested performance.

   • Product Type:Portable air purifier
   • Filtration Technology:True HEPA + NCCO reactor
   • Target Pollutants:Bacteria, viruses, germs, allergens, dust, smoke, odors, VOCs
   • Coverage:300 sq ft
   • Power/Runtime:Battery powered, up to 8 hours
   • Certifications:CARB, cETL, UL867 tested
   • Additional Feature:3-stage purification
   • Additional Feature:OEM filter required
   • Additional Feature:Touch button controls

5. Westinghouse HEPA Replacement Filter for WH10P (6-Pack)

   Best Replacement Filters

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   Anyone who already relies on the Westinghouse WH10P Portable Air Purifier and wants simple, dependable upkeep will find this 6-pack of Westinghouse Medical-Grade HEPA replacement filters especially useful. You get six HEPA 10X6 filters made for the WH10P, so installation stays easy and fit stays exact. Better yet, these medical-grade filters capture particles down to 2.5 PM, helping reduce dust, pet dander, hair, smoke particles, and harmful allergens in your space. Each lightweight plastic filter measures 5.37 x 4.59 x 0.37 inches. So whenever you want cleaner air without guesswork, this Westinghouse set keeps your purifier ready whenever life gets messy.

   • Product Type:HEPA replacement filter
   • Filtration Technology:Medical-grade HEPA
   • Target Pollutants:Dust, pet dander, hair, smoke particles, allergens
   • Coverage:Fits WH10P purifier
   • Power/Runtime:Passive replacement part
   • Certifications:Not specified
   • Additional Feature:Six-filter pack
   • Additional Feature:Fits WH10P purifier
   • Additional Feature:Captures PM2.5 particles

6. Westinghouse SP6440-NF Replacement Reactor for 1804 Air Purifier

   Best Reactor Replacement

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   Owners of the Westinghouse NCCO 1804 portable air purifier will get the best results from the SP6440-NF replacement reactor, because it’s made to restore the purifier’s core cleaning power without guesswork. Built for the 1804, it replaces the original NCCO reactor and keeps the system working as designed. That matters, because patented medical-grade NCCO technology helps decompose noxious materials into harmless carbon and water molecules.

   As air moves through the 5-stage system, this reactor supports detoxification while targeting allergens, viruses, germs, TVOCs, smoke, and odors. You also get reassuring longevity: HEPA filters last up to 3,000 hours, while the NCCO reactor can last up to five years.

   • Product Type:Replacement reactor
   • Filtration Technology:NCCO reactor
   • Target Pollutants:Allergens, viruses, germs, TVOCs, smoke, odors
   • Coverage:Fits 1804 purifier
   • Power/Runtime:Passive replacement part
   • Certifications:Not specified
   • Additional Feature:5-year reactor life
   • Additional Feature:5-stage system support
   • Additional Feature:Replaces 1804 reactor

7. Westinghouse Humidifier & Air Purifier Combo Black

   Best Combo Unit

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   For one of the best bedroom and home office picks in the Westinghouse Air Purifiers line, the Westinghouse Humidifier & Air Purifier Combo Black stands out because it tackles two common problems at once: stale air and dry air. You get smart humidity sensor control, air quality support, and an essential oil diffuser in one oval unit.

   That matters whenever your room feels stuffy or your skin and throat feel dry. Its patented electrolytic sterilization module and antimicrobial filter help disinfect air, while ultrasonic operation stays gentle. You can use the LED display, soft-touch controls, or remote. With a 4-liter tank, 67-hour runtime, and 193.75-square-foot coverage, it fits your space well.

   • Product Type:Humidifier/air purifier combo
   • Filtration Technology:Antimicrobial filter + sterilization module
   • Target Pollutants:Dry air, airborne impurities, bacteria
   • Coverage:193.75 sq ft
   • Power/Runtime:120V AC, 29W, up to 67 hours
   • Certifications:Not specified
   • Additional Feature:Smart humidity sensor
   • Additional Feature:Essential oil diffuser
   • Additional Feature:Remote control included

Factors to Consider When Choosing a Westinghouse Air Purifier

Whenever I choose a Westinghouse air purifier, I initially match it to your room size so you get clean air that actually reaches the whole space. Then I look at the filter type, noise level, portability, and power or runtime, because I know you want something that works well without becoming a daily hassle. I also check certifications and safety features, since I want you to feel confident bringing it into your home.

Room Size Coverage

One of the initial things I check in a Westinghouse air purifier is its room size coverage, because that rating tells me whether the unit can actually move and clean enough air for the space I have in mind.

If I choose a purifier that’s too small, it could struggle to circulate air well, especially in a larger room. So, I always compare the manufacturer’s stated square footage or square meters with my actual room size first. Small portable models usually fit personal spaces or compact rooms, often around 10 square meters or roughly 300 square feet, depending on the model. From there, mid-size units work better for bedrooms, kitchens, or occupied rooms, commonly covering 300 to 500 square feet. For bigger areas, I look for a purifier rated to meet or exceed the room’s full square footage.

Filtration Technology

A strong filtration system is what I pay attention to next, because room coverage only matters provided the purifier can actually trap and decompose the pollution in that space. I look for a multi-stage setup with a pre-filter, a True H13 HEPA layer, and a catalytic reactor. That mix catches larger debris initially, then removes 99.97% of particles down to 0.3 microns, including dust, pollen, and smoke.

From there, the catalytic stage matters because it targets what HEPA alone can’t. It helps decompose VOCs, odors, and other gases into simpler compounds like carbon dioxide and water. I also check microbial reduction claims, since some systems reduce bacteria and viruses up to 99.99%. Finally, I compare filter life. A 3,000-hour HEPA filter and 5-year catalytic component can save hassle later.

Noise And Portability

Beyond filtration, I always check noise and portability, because an air purifier only helps unless I can live with it day and night. In a bedroom or workspace, I want a unit that stays quiet, ideally around 35 to 40 decibels, so it fades into the background instead of bothering me while I sleep, read, or focus.

That comfort connects directly to portability. Whether I plan to move a purifier from room to room or take it on trips, I look for a lighter model, usually around 1.5 to 2 pounds. I also prefer compact sizing, because it fits more easily in cars, planes, trains, hotels, or tight corners at home. A built-in strap helps too, since carrying a personal purifier shouldn’t feel like lugging around a tiny suitcase.

Power And Runtime

Since I might want to run a Westinghouse air purifier all night or carry it on the road, I pay close attention to power type, energy use, and real runtime before I buy. Initially, I check the wattage. Lower wattage usually saves electricity, which helps with daily use, but it can also mean the unit suits a smaller room or lighter air cleaning needs.

Next, I compare battery and AC power. A battery model travels better and works well in cars, hotels, or small offices. A corded unit makes more sense whenever I want nonstop use at home. Then I read runtime claims closely. Eight hours per charge might cover sleep, while much longer operation fits extended trips. I also match runtime with room coverage, because 10 square meters and 400 square feet create very different demands.

Certifications And Safety

when I move from power and runtime to certifications and safety, I’m really asking a more personal question: can I trust this purifier to run near me for hours without adding new risks to my air?

I look first for CARB and cETL marks because they show independent review for safety and emissions. Then I verify UL867 ozone testing, especially on units using active oxidation or similar treatment methods. I also want any sanitizing claim to stay within legal ozone limits, not quietly add irritants to my room. Next, I check that replacement filters and parts match the exact model, since wrong components can hurt both safety and cleaning power. Finally, I trust systems that clearly explain what pollutants they target and how they break them down into safer byproducts like carbon dioxide and water.

Frequently Asked Questions

Are Westinghouse Air Purifiers Covered by a Manufacturer Warranty?

Most Westinghouse air purifiers come with a manufacturer warranty. Check your model’s product page, manual, or packaging for the exact warranty period, what it covers, and whether registration is required.

Where Can I Buy Genuine Westinghouse Replacement Filters?

You can buy genuine Westinghouse replacement filters from the official Westinghouse website, authorized retailers such as Amazon or Walmart, or through links provided in your air purifier manual. Avoid third party sellers that do not provide clear verification details.

How Often Should I Clean the Exterior of the Purifier?

I clean the purifier’s exterior every one to two weeks. If I see dust building up, I wipe it sooner. I use a soft, dry cloth and unplug it first for safety.

Do Westinghouse Air Purifiers Increase Electricity Bills Significantly?

No, Westinghouse air purifiers usually do not add much to your electricity bill. They use a modest amount of power, so the monthly cost is typically low, especially when running on lower fan settings or energy efficient modes.

Are These Air Purifiers Safe to Use Around Pets and Children?

These air purifiers are safe to use around pets and children when operated according to the instructions. Replace filters on schedule, set the unit on a stable surface, and choose models that do not produce ozone.

Final Thoughts

When the air in your home feels stale, dusty, or heavy, even a cozy room can lose its comfort. I know how frustrating that can be, especially when you deal with allergies, pet smells, smoke, or dry indoor air. That is where a good Westinghouse air purifier can help.

Westinghouse offers a mix of portable purifiers, full-room units, replacement parts, and even a humidifier combo. So, whether you want cleaner air in a bedroom, office, car, or travel space, there is likely a model that fits your life without making things complicated.

In this guide, I’ll walk you through seven strong Westinghouse picks and help you understand which one makes the most sense for your space.

Why Westinghouse Air Purifiers Stand Out

Before I get into the models, it helps to know what makes these purifiers appealing. Many Westinghouse units focus on practical use. They are often compact, quiet, and easy to place on a desk, nightstand, or small table. Some use True HEPA or H13 HEPA filtration to capture fine particles like dust, pollen, and dander. Others add special technology, such as NCCO, to help reduce odors and certain airborne pollutants.

That mix matters because not every home has the same air problems. One person can want relief from allergies. Another can need help with cooking smells, pet odors, or traffic fumes drifting inside. Westinghouse gives you options that feel more customized and less one-size-fits-all.

With that in mind, let’s look at the best picks.

Westinghouse 1804 Portable Air Purifier with HEPA

If you want something small, flexible, and easy to move, this model is one of the most useful choices in the lineup. The 1804 portable air purifier is designed for personal spaces, which makes it a smart fit for desks, dorm rooms, hotel stays, and even cars.

Its biggest strength is convenience. I like that you can place it close to where you breathe most often, such as next to your bed or on your work desk. That close-range cleaning can make a real difference in small spaces where air tends to feel trapped.

This unit is a good match for:

• Bedrooms
• Office desks
• Cars
• Travel bags
• Small apartments
• Study corners

The HEPA filtration helps capture common particles floating in the air. If you wake up stuffy or notice dust gathering fast, this type of purifier can help create a fresher bubble around you. It also tends to run quietly, which is beneficial if you are using it while sleeping or working.

Because it is portable, this model works best for targeted use rather than large-room cleaning. So, if your goal is personal air support, this is a very practical pick.

Westinghouse Air Purifier 1702 with True HEPA

Now, when you need more room coverage, the 1702 steps up in a helpful way. This model is better suited for everyday home use in spaces where you spend longer periods, such as bedrooms, living rooms, and home offices.

The True HEPA filtration is one of its key selling points. That matters because a True HEPA filter is built to trap a high level of airborne particles, including:

• Dust
• Pollen
• Pet dander
• Lint
• Fine debris
• Some smoke particles

I see the 1702 as a strong middle-ground option. It is not just about portability, and it is not trying to be overly complex either. Instead, it gives you steady filtration for real-life indoor use. If your air concerns are tied to allergies, pets, or daily household dust, this model can be a comforting upgrade.

Another plus is that Westinghouse often designs these units with user-friendly controls and a compact footprint. So, you can get stronger filtration without feeling like a large appliance has taken over the room.

Westinghouse 1701 True HEPA Air Purifier

The 1701 is another solid True HEPA option, and it appeals to people who want dependable filtration in a compact, straightforward unit. It fits nicely in bedrooms, smaller common areas, and workspaces where clean air needs to feel effortless.

What I like about the 1701 is its balance. It gives you meaningful particle capture while staying practical for daily use. Some air purifiers look impressive on paper but feel annoying in real life because they are too loud, too bulky, or too confusing. This one tends to avoid that problem.

It can be especially useful if you want help with:

• Seasonal allergies
• Indoor dust
• Pet hair and dander
• Mild odor control
• Everyday air freshness

Compared with larger whole-room machines, the 1701 feels easier to live with. You can place it in the room you use most and let it quietly support cleaner breathing without needing much attention. For many homes, that simple reliability is exactly what matters.

Since the 1701 and 1702 are close in purpose, your choice can come down to room size, design preference, or filter compatibility. That brings us to another version of the portable 1804, which adds even more filtration appeal.

Westinghouse 1804 Portable Air Purifier with True HEPA

This version of the 1804 builds on the portable design and adds True HEPA filtration. That makes it especially attractive if you want the freedom of a travel-friendly purifier but do not want to give up stronger particle capture.

I see this as a smart choice for people who move between spaces often. If you split time between home and office, travel regularly, or want cleaner air in your car and bedroom, this model offers a kind of grab-and-go comfort.

Its strengths include:

• Compact design
• Easy portability
• True HEPA filtration
• Quiet operation
• Flexible use in tight spaces
• Better support for allergy-sensitive users

This is the kind of purifier that can feel small but mighty. It does not try to clean an entire large home. Instead, it focuses on the air right around you, which can be a huge relief when you are sitting in one place for hours.

For students, commuters, travelers, and people in small spaces, this model can feel like carrying a tiny clean-air lantern from one room to the next.

Replacement Filters and Reactor Parts Matter Too

Once you choose a purifier, upkeep becomes part of the story. Clean performance depends on using the right replacement parts, and Westinghouse offers model-specific options that help keep the purifier working as intended.

That is why the next two picks are important. They are not standalone purifiers, but they play a major role in long-term air cleaning.

Westinghouse HEPA Replacement Filter for WH10P (6-Pack)

If you already own a compatible Westinghouse purifier that uses the WH10P filter, this 6-pack can be a smart buy. Replacement filters are easy to overlook until air quality drops or the unit starts losing effectiveness. Having extras ready helps you stay ahead of that problem.

I like multi-packs because they make maintenance simpler. Instead of scrambling to find the right filter later, you already have what you need. That saves time and reduces the chance that you will keep using an old filter for too long.

A replacement filter pack is especially useful for people who:

• Run their purifier daily
• Have pets
• Live in dusty areas
• Deal with allergies year-round
• Prefer easy maintenance
• Want better value over time

The main thing to check is compatibility. Make sure your purifier uses the WH10P filter before buying. A proper fit helps maintain airflow, filtration quality, and overall machine performance.

Westinghouse SP6440-NF Replacement Reactor for 1804 Air Purifier

This replacement reactor is made for the 1804 air purifier, and it supports the technology that helps the unit do more than basic particle capture. In models that use advanced purification features, a replacement reactor can be just as significant as a filter.

If your 1804 uses this component, replacing it on time helps the purifier continue reducing odors and airborne pollutants effectively. That is especially significant if you use the unit often in cars, near cooking smells, or in spaces where the air feels stale.

This part is worth reviewing if you notice:

• Reduced freshness
• Lingering odors
• Lower performance over time
• A need for scheduled maintenance
• Heavy daily use of your 1804 purifier

It is easy to focus only on the purifier itself, but long-term care is what keeps clean air from slipping through your fingers. Think of replacement parts as the steady heartbeat behind the machine’s best work.

Westinghouse Humidifier & Air Purifier Combo Black

Not every air problem is just about particles. Sometimes the air also feels dry, rough, or irritating. That is where a humidifier and air purifier combo can be especially helpful.

This Westinghouse combo unit is appealing because it handles two comfort issues at once. It helps clean the air while also adding moisture back into dry indoor spaces. That can be a welcome relief during winter, in air-conditioned rooms, or in homes where dry air leads to scratchy throats, dry skin, or nighttime discomfort.

I see this kind of unit as a good fit for:

• Bedrooms
• Nurseries
• Home offices
• Dry climate homes
• Winter use
• People sensitive to dry air

The black finish also gives it a more polished look, which can matter if the unit will sit out in plain view. More importantly, the combo approach can save space. Instead of juggling two devices, you get one machine doing both jobs.

If your room feels dusty and desert-dry at the same time, this model can feel like a gentle rain cloud in the corner, quietly making the space easier to breathe in.

Factors to Consider When Choosing a Westinghouse Air Purifier

With several good options on the table, the best choice depends on how and where you plan to use it. I always suggest starting with your daily life, not just the product specs. A purifier should fit your routine, your room, and your needs.

Room Size and Coverage

First, consider the size of the area you want to clean. A portable model like the 1804 is better for personal space, close-range use, cars, and travel. A unit like the 1701 or 1702 makes more sense for bedrooms or shared living areas.

If you choose a purifier that is too small for the room, it may not give you the results you want.

Filter Type

Next, check whether the model uses HEPA, True HEPA, or H13 filtration. This matters because stronger filtration can improve particle capture.

Look for these needs:

• HEPA for general air cleaning
• True HEPA for stronger support against allergens
• H13-level filtration if you want more advanced particle control

If allergies are a major issue in your home, I would lean toward True HEPA or H13 options when available.

Portability

Some people want a purifier that stays in one room. Others want something they can move easily from place to place. If you travel, commute, work in a small office, or spend time in a car, portability matters a lot.

Compact units are often best for:

• Travelers
• Students
• Desk workers
• Car use
• Hotel stays
• Small-space living

Noise Level

Quiet operation can make or break the experience. A purifier may have great features, but if it hums too loudly at night, you may stop using it. For bedrooms and workspaces, quieter models are usually the better choice.

This is especially beneficial for:

• Light sleepers
• Nurseries
• Remote work setups
• Study areas
• Shared rooms

Odor and VOC Reduction

If your main issue is not dust but smells, smoke, or chemical odors, look for models with added odor-reducing technology such as NCCO. That kind of feature can help tackle the air problems a regular filter may not fully address.

This can matter most in homes with:

• Pets
• Cooking odors
• Smoke exposure
• New furniture smells
• Urban pollution
• Traffic fumes

Maintenance and Replacement Parts

Before buying, check how easy it is to get replacement filters or reactor parts. A purifier is only as helpful as your ability to keep it running well.

I always recommend asking:

• Is the filter easy to find?
• How often does it need replacing?
• Does the model use a reactor or other special part?
• Are replacement packs available?
• Will maintenance fit my budget?

Extra Comfort Features

Some people need more than air cleaning alone. If dry air is also a problem, a humidifier and purifier combo may be the better fit. This can make your room feel more comfortable overall, not just cleaner.

That can be helpful if you often notice:

• Dry nose
• Scratchy throat
• Static in the air
• Dry skin
• Winter discomfort
• Air conditioner dryness

Which Westinghouse Air Purifier Is Best for You?

If I had to match these models to real-life needs, I would break them down this way:

• Choose the Westinghouse 1804 Portable Air Purifier with HEPA if you want easy personal air cleaning in compact spaces.
• Choose the Westinghouse 1702 with True HEPA if you want stronger everyday room filtration.
• Choose the Westinghouse 1701 True HEPA Air Purifier if you want simple, dependable use in smaller home spaces.
• Choose the Westinghouse 1804 Portable with True HEPA if portability and stronger filtration both matter to you.
• Choose the WH10P 6-pack replacement filters if you already own a compatible unit and want convenient maintenance.
• Choose the SP6440-NF replacement reactor if you use an 1804 purifier and want to keep its advanced performance going.
• Choose the Westinghouse Humidifier & Air Purifier Combo Black if your air is both dirty and dry.

Each of these serves a different kind of home, room, or lifestyle. So, the best pick is not always the biggest or most advanced one. It is the one that solves your air problem in a way that feels easy to live with.

Very Short Wrap-Up

I’d choose a Westinghouse air purifier the way I’d choose a window in a stuffy room: for the fresh breath it brings in. Whether you need a small travel buddy, a steady bedroom helper, or a purifier-humidifier duo, there’s a fit for you. Clean air can feel like sunlight pouring through curtains, soft and reassuring. Pick the model that matches your space, keep up with replacements, and let your home breathe a little easier every day.