5 Best Whole House Air Purifier Reviews & Buying Guide (2023)

Humidifier with ionic air purifier inside a house

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Air purifier in bed roomYou are looking for the best whole house air purifier reviews because you notice that you are always sneezing or coughing because of the poor air quality.

Even though your home has an HVAC purification system, you see that it is not enough. Therefore, you do not have any other choice but to look for the best whole house air cleaner that will improve the air quality(return air).


Comparison for My Favorite Whole-House Air Purifier Products

If you do not know which products to buy, you can start doing your research about the air purifiers I listed here and make your judgment. These devices are my favorites because they worked well for me, and they adhere to the features that I want.

You probably have a particular device in mind that you want to try. With all the information given here, you can now shop for the best whole house air purifier that suits your home.

Product Name
Best Option
Largest Coverage
Most Energy-Efficient
Most Cost-Effective
Consumers’ Favorite
Alen BreatheSmart Classic Large Room Air Purifier, Medical Grade Filtration...
Coway Airmega 400 Smart Air Purifier (Covers 1,560 sq. ft.), True HEPA Air...
Alen FIT50 Air Purifier, Quiet Air Flow for Large Rooms, 900 SqFt, Air...
Winix 5300-2 Air Purifier with True HEPA, PlasmaWave and Odor Reducing...
Honeywell HPA300 HEPA Air Purifier for Extra Large Rooms - Microscopic...
Highlights

It has extensive coverage of 1,100 square feet and has a family-friendly design that is available in different colors.

It is capable of adjusting fan and filter speeds and adapting to the quality of the air, and has a coverage of 1560 square feet.

It has built-in sensors to adjust to the quality of air and has activated carbon filter that absorbs odor and smoke.

It creates hydroxyls through its PlasmaWave technology without producing ozone.

It can shut down automatically by using a timer and has four cleaning levels.

Best Option
Product Name
Alen BreatheSmart Classic Large Room Air Purifier, Medical Grade Filtration...
Highlights

It has extensive coverage of 1,100 square feet and has a family-friendly design that is available in different colors.

Largest Coverage
Product Name
Coway Airmega 400 Smart Air Purifier (Covers 1,560 sq. ft.), True HEPA Air...
Highlights

It is capable of adjusting fan and filter speeds and adapting to the quality of the air, and has a coverage of 1560 square feet.

Most Energy-Efficient
Product Name
Alen FIT50 Air Purifier, Quiet Air Flow for Large Rooms, 900 SqFt, Air...
Highlights

It has built-in sensors to adjust to the quality of air and has activated carbon filter that absorbs odor and smoke.

Most Cost-Effective
Product Name
Winix 5300-2 Air Purifier with True HEPA, PlasmaWave and Odor Reducing...
Highlights

It creates hydroxyls through its PlasmaWave technology without producing ozone.

Consumers’ Favorite
Product Name
Honeywell HPA300 HEPA Air Purifier for Extra Large Rooms - Microscopic...
Highlights

It can shut down automatically by using a timer and has four cleaning levels.


My Favorite Whole House Air Purifiers

You know that we should not ignore the importance of the quality of the indoor air. The United States Environmental Protection Agency states that the house air can be unhealthier than the outdoor air.

In addition to the HVAC, we need an air cleaner with filter options. One type of these air filters is whole house true HEPA filter(whole house hepa) that traps the contaminants circulating in the ventilation of your home.

However, you do not know what to look for when shopping for the best whole house air cleaner. Therefore, I will give you some suggestions based on the products I love and a buying guide that will teach you how to shop for the best whole house air cleaner and air pollutants.

#1. Alen BreatheSmart Classic

Alen BreatheSmart Classic Large Room Air Purifier, Medical Grade Filtration...

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The Alen BreatheSmart is one of my favorite whole house air cleaners because it can filter the pathogens in my spacious whole home.

It has tons of features that I love, including the automated sensor that determines the air quality of my whole home and the slick colors that make up the interior of it.

Moreover, my children can play around it. I do not have to worry about them getting an accident.

Things we like

  • Extensive coverage
  • A wide array of features
  • Ionizer

Things we do not like

  • No true whole house true HEPA filter(whole house hepa)
  • Expensive

 

Features

  • This device is ideal as a whole house air cleaner because of its family-friendly design. We do not have to worry about our children getting accidents because of it.
  • It is available in different slick colors. Because of this feature, we can choose the best design for our home.
  • It can purify the air inside a large room that is up to 1100 square feet. If you have a large home(whole home air purifier), you can count this device as one of your options.
  • BreatheSmart has a built-in sensor that is capable of sensing the quality of air and adjusting to it. We do not have to determine the air quality because it can.

#2. Coway Airmega 400 Smart Air Purifier

Coway Airmega 400 Smart Air Purifier (Covers 1,560 sq. ft.), True HEPA Air...

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The Coway Airmega is another whole house air cleaner that I love. If you think that the previous air purifier has broad coverage, you will feel amazed by how much this device can handle, which can reach up to 1,560 square feet.

Moreover, it is smart(smart mode) enough to remind us if we need to replace the filter. It also reports the air quality by itself and adjusts to it.  

Things we like

  • Quiet operation
  • Energy-efficient
  • Extensive coverage
  • Stylish
  • Cleans air fast and air pollutants

Things we do not like

  • Expensive air filters

 

Features

  • The Coway Airmega is powerful enough to change the air in your home twice in just an hour. Because of this feature, we are sure that we breathe clean and purified air.
  • It has a feature that reminds us of the filter level. Because of it, we do not have to check if the whole house true HEPA filter(whole house hepa) needs a replacement filters.
  • This device is smart enough to adjust the filter and fan speeds. We do not have to change it because it can adapt automatically.
  • This whole house air cleaner has a sensor that reports the quality of the air in your home real-time.
  • We do not have to monitor the quality of the air ourselves and media air.
  • If you have a whole home that reaches up to 1,500 square feet, you will love this device because of its broad coverage

#3. Alen BreatheSmart FIT50 Air Purifier

Alen FIT50 Air Purifier, Quiet Air Flow for Large Rooms, 900 SqFt, Air...

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Compared with the other products mentioned above, this Alen BreatheSmart model’s coverage is not as extensive as those devices. However, it has a wide array of features that make up to it. These features include built-in sensors and automated adaptability by adjusting the air filters and air filtration system.

It is also silent and stylish.

Things we like

  • Built-in sensors
  • Automated
  • Quiet operation

Things we do not like

  • Light indicators for air quality do not show much difference from each other
  • Opening the unit to adjust the filters is difficult

 

Features

  • It is smart(smart mode) enough to sense the air quality and improve its filters to clean the air. It allows us to use our time on more important things because we do not have to worry and adjust this air cleaner ourselves.
  • This device has 1 pound of an activated carbon filter that allows it to absorb particles(particles as small) like cigarette smoke and odor. Therefore, this device not only purifies the air, but it also eliminates the odor that might embarrass us to our guests.
  • This Alen BreatheSmart model is available in different stylish designs that complement the beauty of our home or room.
  • This item is family-friendly. It does not disturb our children’s sleep.

#4. Winix 5300-2 Air Purifier

Winix 5300-2 Air Purifier with True HEPA, PlasmaWave and Odor Reducing...

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The Winix 5200-2 is my next favorite device. Although it can only filter the air and air pollution for about 360 square feet, I can trust that this brand is telling the truth because many health organizations approved it and provided certifications.

This device is good enough to cover a large room to allow our family to breathe clean and healthy air. Moreover, it uses filters that eliminate not only harmful contaminants but the odor too.

Things we like

  • Makes use of PlasmaWave technology
  • Durable
  • Less expensive compare to competitions with similar features

Things we do not like

  • Expensive filter replacement

 

Features

  • It uses a whole house true HEPA filter(whole house hepa) that filters pathogens and contaminants by almost a hundred percent to make sure that we breathe clean and healthy air.
  • It uses a PlasmaWave technology that makes hydroxyls that neutralizes bacteria and other contaminants. For this reason, we are sure that we breathe healthy air without exposing us from ozone.
  • The Winix 5300-2 makes use of carbon filter, which not only purifies the air but also eliminates unpleasant odors from pets and cooking.
  • Many trusted health organizations approve this device. Therefore, we can trust the sincerity of the manufacturers for creating this air purifier.

#5. Honeywell HPA300 True HEPA Air Purifier

Honeywell HPA300 HEPA Air Purifier for Extra Large Rooms - Microscopic...

CLICK FOR PRICE

What I like about the Honeywell HPA300 is its straightforward features and automation. This device makes me forget that I own it as it does its job quietly. It shuts down on its own as it cleans the air and air pollution.

When I used it, I notice that it conserved a lot of energy because of the low-cost bills that I had to pay. It only covers 456 square feet, but it is not bad at all for personal use in the room.

Things we like

  • Quiet
  • Energy-efficient
  • Indicator lights that tell if filters need charging

Things we do not like

  • Expensive filters replacement
  • Heavy

 

Features

  • It has four cleaning levels that ensure thorough cleaning of the air.
  • It reminds us to charge the electronic filter. We do not have to check from time to time if it needs charging.
  • It has an automatic timer. We do not have to turn it off all the time manually.
  • It makes use of true HEPA filter that traps up to almost a hundred percent of particles(particles as small) and contaminants. It helps to protect our family against diseases such as asthma.
  • This device has user-friendly controls. We do not have to rack our brains to figure out how the controls work.

Editor Side Notes: Are you looking for some quality alternative to Air Purifiers For your bathroom? here is our guide on the best dehumidifier for bathroom as we have taken action into the fight this bacteria that is emerging this year.


House Air Purifiers Buying Guide

Customers shop for air purifiers at a home appliance store

Even though I mentioned a few whole house air purifier products that I considered as best in my opinion, it does not mean that you should buy any of them. You can look for other products that make sure that you have clean home hair and suitable for your home. To guide you on deciding which to choose among the house air purifiers in the market, I list some of the pointers that you can consider.

These considerations include knowing the advantages of a whole house air purifiers, different types of air purifiers, house air purifier best size to buy, and other features you can add.

Whole House vs. Portable Air Purifiers

You can argue that most homes like ours have an HVA system that resembles a giant air filter that eradicates many airborne particles and contaminants for clean air. However, this filtration system does not filter enough to get rid of these contaminants by 100 percent. These larger particles can cause allergies and other health problems in the family without the use of purifiers.

Even though your home has an HVAC purification system, expect that there can be bacteria residing in your air vent and return air duct, which contaminates the air quality of the house. Even if you argue that your home is clean, there is no guarantee that your house air is free from bacteria and airborne particles that can cause allergies and other health issues.

Therefore, using an air purifier provides an additional way to ensure clean air in our house.

There are two types of air purifiers that you can use in your home. These are the portable units and the whole house air purifiers.

It does not mean that one is better than the other. These types have their pros and cons. You only have to choose which one will provide the best indoor air quality and most suitable for your room or house.

First, let us talk about the portable units  ones.

  • Portable air purifiers

These air purifiers are small enough for versatile use. Because of its size, we can carry them in any areas of the house, which include your room and kitchen. We can also place them in a corner or on a table.

Moreover, these small air purifiers are energy efficient. We can place them in areas where there are a lot of particles to filter, such as a kitchen or pet room, to get rid of the pet dander.  These options are also affordable.

Therefore, this type of air purifier only works best in a small house or for personal use in your room.

  • Whole House air purifiers

This type of air purifier is built-in and works along with the HVAC system if it is filter-based. If the house purifier is return air duct-based, the installation of the purifier is directly along the path of the air duct system.

This type of purifier ensures that your whole house will have clean air free from airborne particles.

The main con of this type of air purifier is that it only works when the HVAC system is running. Therefore, you should run it all the time.

Different Types of Air Purifiers

A customer shops for air purifiersBecause your HVAC system is not enough to provide air purification system protection against particles that cause allergies at home, having an air purifier at home should be an investment. It can either be a portable purifier or for the whole house use.

Before you learn how to buy the best whole house air purifiers to make sure that you have clean indoor air, learn the different types of air purifiers based on filters and installation.

This knowledge is vital so you can choose which will work best for your home and indoor air quality purifier reviews. This information will also give you the right insight and expectation that air purifiers can filter particles the size of lesser than 3 microns.

  • Ionic

If you are looking for a quiet best whole house, air quality is the best choice. It is a silent air purification device because it has no motor.

How it works is that it filters using negative ions. Its negative ions bind with airborne particles with positive charge ion, resulting in them becoming denser. Thus they will fall from the air.

Yet, this device does not remove odor, and some models require maintenance.

  • HEPA

HEPA air filter is one of the best house air purifiers and the most popular in my opinion because it can remove several types of particles by 99.7 percent. It removes dander, pollen, dust mites, and mold spores. It is famous for home use because it improves air quality.

Meanwhile, this type of air cleaner requires maintenance by replacing the HEPA air filter every month. Also, it cannot trap bacteria, which are smaller than 0.2 microns and can cause allergies.

  • Electronic

The electronic type of air purifier filters particles by working with air conditioning or furnace filters. It makes use of electricity and HEPA filters for trapping contaminants. It can filter 99.98 percent allergens.

You need to ask a professional for its installation. It also requires maintenance like cleaning the air the collector cells and ionizing wires to ensure the best whole house air quality.

  • Ultraviolet

The ultraviolet air purifier makes use of ultraviolet light to improve indoor air by removing particles and bacteria that can cause allergies. It is small enough to fit in any parts of your home, including your room.

However, this type needs bulb replacement each year depending on the model to ensure clean house air quality.

  • Central(central air)

The central type allows whole house air purification system by connecting it to the primary cooling and heating systems of your home. It efficiently removes particles and bacteria.

For me, it is one of the products that provide the best whole house use. Aside from its ability to improve indoor air quality, it also extends the life of your heater and air conditioning by filtering the harmful particles that can damage them.

Meanwhile, this type of house air purifier needs professional installation.

  • Activated Carbon

The activated carbon filters are one of the house air purifiers that not only filter particles but also eliminates odors and gasses for improved indoor air purification system. It makes use of activated carbon filters filter and true HEPA filter.

It is an ideal choice for those who want to get rid of contaminants and unpleasant house odor. However, it is not efficient enough to eradicate dust and pet dander unless the model makes use of HEPA filters.

  • Air-to-Air Exchangers

From the word itself, exchangers are air purifier that cleans the air by exchanging the stale air to the healthy house air. Aside from this benefit, they also regulate the temperature and humidity in your home(whole home air purifier).

It is ideal for places with poor house air circulation. For me, it is the best choice for those in the areas who live in an environment with extreme temperatures.

Identifying the Best House Air Purifier to Buy

Airmate air purifiers are displayed during the Appliance World ExpoTo determine the best whole house air purifier reviews, you need to consider some factors that include the placement of the device in your home, the size of your house, and the whole house air purifier ratings.

When you are out shopping for your house air purifier, you might notice that some devices have ACH and CADR ratings. Now, you might be asking what these ratings are.

Although not all house air purifiers have these ratings, these are something that you should not overlook if you want the best whole experience with your product.

  • ACH

The ACH means ‘air changes per hour.’

It comes with a number rating such as 4X, 5X, or more to indicate the efficiency of a house air purifier. It shows how many times air purifiers exchange stale air with fresh air in a room.

A higher number means that it is better. It is because this number indicates how distant a whole house air purifiers can handle. For example, a full house air purifier can cover a room with a 300 square feet space.

  • CADR

The Association of Home Appliance Manufacturers developed this rating, which stands for ‘cleaning the air delivery rate. This rating indicates how large a whole house it can handle.

The CADR comes with numbers from 10 to 450 in three sets. The first set refers to dust, second for tobacco, and the third is for pollen.

The dust, tobacco, and pollen are the primary contaminants that the CADR rating measures. The higher the number is, the more effective the house air purifier is.

This information leads to one conclusion that to buy the best whole house air purifier reviews, you should measure the space of your room or entire home first in square feet.

To measure the space of a single room, measure the width and length in feet. After that, multiply them to get the result in square feet.

To measure the space of the entire home with multiple rooms, compute the total area for each room, as indicated above. This time, add the results to get the measurement of your home.

Other Optional Whole-House Air Purifier Features

A Chinese customer stands next to air purifiers

Your entire home has an HVAC system that its why you know that it can eliminate the pathogens and contaminants in the air. However, because of what we have learned so far, you know that the HVAC system alone is not enough, you need a device that can filter the air of the whole house. You know how house air purifiers can work together with your HVAC system for cleaner air.

House air purifiers vary in different ways. They have distinct features and filters that helps the air to be cleaned in different ways. It is essential that you know them and to know what to look for when you shot for the best air purifier for your entire home.

  • Easy Maintenance

The best air purifier reviews on the market should be able to filter a lot of particles, bacteria, and pathogens. Therefore, you can expect that it requires regular cleaning.

Although ‘easy maintenance’ can be the least of the features that you want in house air purifiers, it will give you much convenience, especially during the cleaning time.

  • Device connectivity

If you are the kind of person who wants everything automated, you should opt for a whole house air cleaner that you can control with your phone. With this feature, you do not have to walk into the device just to push a button.

  • Filters

Ideal air purifiers with efficient filters should be able to trap particles that are 3 microns or more. They should be able to filter spores, bacteria, and mold spores.

They should be able to filter particles that are small enough to get into our bloodstream.

  • Silence

If you are a light sleeper or you love having your friends over your home to have a chit-chat with them, the best air purifiers that suit your lifestyle should be quiet and efficient.


Wrap Up

There are tons of air cleaner products on the market nowadays, and you do not know which to choose. You have learned the different factors to consider when buying one. Among these considerations are the size of your home, the air purifier’s filter, and other features.


Frequently Asked Questions

Now that you have some idea on what can be the best air purifier reviews products for you. It is essential that you know the answers that most consumers ask before buying because you probably feel skeptical about it right now. Therefore, here are some of the questions that you might have or will have.

Do Home Air Purifiers Really Work? Yes. However, it does not mean that you should give all the cleaning jobs to it. Air purifiers indeed clean the air, but you must also consider the other factors like the filters and size of your room to make them work efficiently.

Moreover, it also does not mean that you can already stop cleaning or dusting your house once you have one. Although air purifiers helps, you should also do your part by cleaning your house.

How Much Does a Whole House HEPA Filter Cost? Air purifiers are available on different sizes, filters, and features. Therefore, you should expect varying prices on the market.

What drive the cost of the whole house filter is the following:

  • Other filters used
  • Features
  • Maintenance and replacement filters
  • Installation

You should also consider the cost of future replacement filters and maintenance.

Is There a Whole House Air Purifier? As mentioned, air purifiers vary in different ways. The whole house air purifier is among them. Unlike the portable one, you cannot merely place it on your table or take it from room to room.

The whole house air cleaner is built-in or bulky. However, because of its enormous size, you can expect a greater coverage area to purify the air. It eases the job of your HVAC purification system, provides you a healthy atmosphere, eliminates odor, and a lot more benefits.

Should Air Purifier Run All Day? You should allow your air purifier to run 24 hours a day. It is because the contaminants will get into your house once again once you turn it off. However, if you notice that you are paying an enormous amount of bills because of it, you can turn it off once in a while before going to work.

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