The Best Church Air Purifiers - Fill Church with the Purest Air


It's important to improve the air quality such as reducing the candle smoke and other air pollutants in the church as churchgoers spend hours there.

Here are the top 3 air cleaner recommendations and the easiest guide to finding the best air cleaner for your church.

Table of Contents

1. Top 3 Air Purifier Picks for Church

2. How to Pick the Best Church Air Purifiers

3. Where Should the Air Purifier Be Placed in the Church

4. Are Air Purifiers Effective Against COVID-19

1. Top 3 Air Purifier Picks for Church - Remove All Dust & Smoke

Please measure your church's size before buying air filters as all air cleaners have a defined cleaning coverage area. The products I picked below fit different sizes of church buildings. 

#1. 201B - The Best Option for Chapels or Confessional Rooms

201B covers up to 215 ft2. You can choose it if your church size is smaller than 215 ft2.

The average square footage per person in small churches is about 30 square feet. For example, if your chapel can have about 6 churchgoers, 201B will be the best choice for you.

Placing this small air purifier in the confessional room or church office is a good idea since small rooms lack air circulation and need more fresh air.

Furthermore, if your church is larger than 215 ft2, you can place several units in your church. For example, if your church is mid-sized that can seat nearly 50 attendants, you can place 5 units on the table. It still saves more money than buying a mega air purifier.

Main features: It has a 3-in-1 HEPA filter that can remove 99.99% of particles 0.3 microns in sizes, such as dust, pollen, and candle smoke. This machine's noise level is only 20-40 dB based on different fan speeds. The noise level is very low and won't be noticed during prayer.

#2. V3 – Smart Air Purifier for Large Churches

V3 can cover almost 1,000 ft2 large rooms and it is a good choice for large churches. An average of 12 to 30 square feet per person is required in large churches. If the church can have almost 52 people, 1 unit of V3 is enough to purify the air.

Also, you can get 2 more units if your church is larger than 1,000 ft2.

Main features: Its 4-layer HEPA filtration can remove all particles and odors. When V3 is turned on, no particles or odors can exist.

It has an auto mode. The machine will automatically change its fan speed based on the current air quality. If the air quality is good, the air purifier will operate at 1 fan speed. If it is poor, it will go to the highest fan speed to quickly clean the air.

#3. AC400 - Air Purifiers for Medium Church House

AC400 can cover up to 880 ft2. It is perfect for churches with approximately 24 people.

Main features: It is equipped with a powerful H13 HEPA filter that can remove both large and small particles, including dust, pollen, smoke, smog, allergens, hair, pet dander, and more. Because of its 360° all-around air intake design, it draws in air from every angle, allowing you to enjoy instant all-around clean air.

2. How to Pick the Best Air Purifiers for Church

Follow the below 4-step guide to choosing the best air purifiers for your church. You are gonna get the best one within minutes!

#1. Measure the Church Size

All air purifiers have a defined coverage area. Please read the product description to see if it fits your church or temple. If you don't know how to calculate the square footage of your church, you can measure it by capacity, as shown in the table below.

Classifying Churches by Size and Capacity


     Square Feet


Small Church

≤ 300 ft2

10 or Fewer People

Mid-Sized Church

330 ft2 ≤ Size ≤ 1,500 ft2

11 - 50 People

Large Church

1,530 ft2 ≤ Size ≤ 30,000 ft2

51-1,000 People


Note: The calculation above all used 30 square feet per person.

#2. Choose HEPA Filters & Activated Carbon Filters

Both HEPA filters and activated carbon filters are effective in purifying the air.

HEPA filters: The most effective air filters are H13/H14 filters which can trap 99.99% of all particles larger than 0.3 microns, such as dust, mold, pollen, pet dander, allergens, etc.

In addition, HEPA filters are environmental-friendly. It's a highly recommended filter type in air purifiers.

Activated carbon filters: Activated carbon filters are made up of different sizes of pores with high absorbency. Because of these characteristics, they are effective at capturing pollutants such as chemical emissions, gases, smoke smells, and odors.

Some air purifiers come with both activated carbon and HEPA filters, such as V3 and 201B.

Negative Ion: A negative ionizer works by emitting negative ions into the air, causing dust and pollen particles to adhere to its surfaces. However, ionizer purifiers are not recommended since they produce harmful ozone and trap particles inefficiently.

#3. Get a Quiet Church Air Purifier

When praying, it is important to keep quiet. It is preferable if the noise level is less than 40 dB (just like bird singing) so that churchgoers barely hear it.

Therefore, please check the noise level of the air filter before buying it.

#4. Select the Church Air Purifier with Suitable CADR 

CADR (Clean Air Delivery Rate) measures an air cleaner's effectiveness based on the size of the room and the volume of clean air produced per minute.

Generally, you should choose an air purifier based on the CADR and the church area. You may need multiple ones if you have a large place of worship. Check this post to see how many air purifiers you will need. 

3. Where Should the Air Purifier Be Placed in the Church

The right place for your air purifier can greatly enhance its purification efficiency. Check below suitable places for your air cleaner now.

#1. Place It Near the Air Pollutants

If you find an area in your church or sanctuary with odors and mold, such as long-used wooden tables, you should place an air cleaner there to speed up the process of removing odors and mold.

Place an air cleaner in a position where candles are burned often as smoke from candles and incense is not good for your health.

#2. Position It in Places with Highest Airflow

During the purification process, air purifiers need to take in the air and purify it. As the airflow increases, the machine will suck in more air. Therefore, the efficiency of air purifiers can be increased by placing them near doors and windows with high airflow.

Air purifiers should not be placed in corners with low indoor airflow as it will reduce their efficiency.

Check this post for more air purifier placement tips.

4. Are Air Purifiers Effective Against COVID-19

FACT: Some air purifiers are good for reducing the spread of COVID-19 (SARS-CoV-2) from the air.

The size range of COVID-19 is 0.06 - 0.14 microns. These viruses cannot survive unless they attach to live objects. The virus will adhere to aerosols (droplets or tiny particles produced by an infected person's coughing, sneezing, or talking) and flow in the air. The size range of this aerosol is 0.01 - 10 microns.

H13 & H14 HEPA filters can remove 99.99% of all airborne particles down to 0.3 microns. In this case, those advanced HEPA filters can remove a few aerosols with COVID-19 from the air.

Therefore, using air purifiers can reduce the spread of COVID-19. For example, air purifiers can remove particles and bacteria from the air, reducing the rate of COVID-19 attachment.

Important note: Using air purifiers cannot 100% protect your from COVID-19. Air cleaners only reduce the spread of the virus and cannot remove or kill viruses completely.

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