Best Air Purifier For Growing Mushrooms (2023 Expert Guide)

  • Author: Irene Batres
  • Date: June 3, 2023
  • Time to read: 9 min.
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Growing mushrooms is fascinating, but keeping the environment clean and well-filtered is important.

Good air quality is crucial for healthy mushrooms because it stops contamination and controls air movement during growth.

In this blog post, I will share the best 5 air purifiers for growing mushrooms. 

After extensive research, I narrowed down the top 3 that are proven to work. 

I’ll also help you understand the key factors to consider when choosing an air purifier, and I will answer some popular questions regarding air ventilation and growing mushrooms.

Best Air Purifier For Growing Mushrooms

A Quick Overlook At The Best Air Purifiers:

Best Overall: Alen BreatheSmart FIT50 Air Purifier 

Budget Friendly: Coway AP-1512HH Mighty Air Purifier

Quietest: RabbitAir MinusA2 HEPA Air Purifier

Why Air Purifiers Are Crucial For Mushroom Cultivation

Air purifiers are crucial for mushroom cultivation because they protect against contamination, regulate proper airflow, they filter out harmful particles and bacteria that can adversely affect the growth of mushrooms. 

Below are some reasons why an air purifier is essential when growing mushrooms. 

Protecting Against Contamination

To ensure successful mushroom growth, protecting them from airborne contaminants like mold spores and bacteria is crucial. 

A high-quality air purifier with an H13 HEPA filter, which captures 99.97% of particles as small as 0.3 microns, can help prevent infections that damage or ruin your crop. 

Consistently using an air purifier in your cultivation area minimizes contamination risks and promotes healthy yields in each cycle.

Regulating Proper Air Flow

Consistent airflow is vital for successful mushroom cultivation, as it facilitates nutrient exchange and prevents stagnation and moisture buildup that can lead to contamination. 

Using an air purifier with a HEPA filter and incorporating fans can improve air circulation without disrupting growth. 

Combining a clean room or grow tent with an effective humidification system and a high-quality purifier creates optimal conditions for mushroom growth at any scale.

Filtering Out Harmful Particles And Bacteria

Sterile environments are crucial for mushroom cultivation to prevent harmful bacteria, mold, and contaminants. 

Air purifiers with HEPA filters, which trap 99.97% of particles as small as 0.3 microns, effectively maintain cleanliness. 

Laminar flow hoods with H13 HEPA filters provide clean airflow, while carbon filters or UV-C lights in air purifiers enhance protection against odors and pathogens. 

Investing in high-quality air purifiers reduces contamination risks for both experienced and beginner mycologists, fostering successful mushroom growth across various techniques and platforms.

Top 5 Best For Air Purifiers For Growing Mushrooms

After extensive research, here are our top air purifiers for growing mushrooms. I gathered these purifiers from reviews of customers and studies.  

1. Best Overall: The Alen BreatheSmart FIT50 Air Purifier

Alen FIT50 Air Purifier, Quiet Air Flow for Large Rooms, 900 SqFt, Air Cleaner for Allergens, Dust, Mold, Pet Dander, Heavy Odors with Long Filter Life

The Alen FIT50 Air Purifier is an excellent choice for mushroom cultivation, providing a sterile and clean environment for your fungi. 

This compact yet mighty device has a HEPA filter that removes 99.99% of bacteria, aerosolized viruses, and airborne particles larger than 0.1 microns. 

With the ability to clean 900 sqft every 30 minutes, it’s perfect for maintaining a contamination-free space for your growing kit.

What sets this air purifier apart from competitors is its proprietary FF50-MP filter, designed to capture and eliminate strong household odors at the molecular level. 

It’s also built with a sleek design and comes in a weathered gray color, making it an attractive addition to any room.


  • Coverage: Cleans 900 sq ft every 30 minutes
  • Product dimensions: 16.75″D x 10″ W x 22.25″H
  • Weight: 16 pounds
  • Control method: Touch
  • Filter type: H13 True HEPA
  • Noise level: 32.4 dB
  • Particle retention size: 0.1 micron
  • Wattage: 60 watts
  • Additional features: Auto mode, ozone-safe ionizer, and four fan speed options with pink noise on the turbo setting
  • Warranty: Lifetime warranty

Things We Liked:

  • Thanks to its Energy Star certification and 50-watt motor, the device is energy-efficient.
  • The air purifier is easy to unbox and set up, allowing for quick installation and use
  • Customizable with various front cover options, allowing users to choose a design that complements their room décor.
  • The air purifier comes with H13 True HEPA filters, which remove 99.99% of airborne particles larger than 0.1 microns.

Things We Didn’t Like:

  • The cost of replacement filters is significantly higher than those of other air purifiers
  • The unit might be considered bulky, taking up more space than some users would prefer

2. Best Budget: Coway AP-1512HH Mighty Air Purifier

Coway Airmega AP-1512HH(W) True HEPA Purifier with Air Quality Monitoring, Auto, Timer, Filter Indicator, and Eco Mode, 16.8 x 18.3 x 9.7, White

The Coway AP-1512HH Mighty Air Purifier is a reliable and high-quality option for those seeking cleaner indoor air, especially for growing mushrooms.  

This air purifier has a 4-stage HEPA filtration system that captures up to 99.97% of particles as small as 0.3 microns in the air, including pollutants, pollen, and other allergens. 

Its ability to reduce volatile organic compounds and eliminate odors makes it ideal for mushroom cultivation.

 It covers up to 361 sq. ft. and has a noise level ranging from 24.4 dB to 53.8 dB, making it a quiet option. It uses a pre-filter filter type with a particle retention size of 0.3.

Additionally, its smart features, including an air quality indicator, Eco-mode, and timer, set it apart from competitors. 

It is ENERGY STAR rated, making it an eco-friendly energy-saving option. 


  • Dimensions: 16.8 x 18.3 x 9.6 inches
  • Weight: 12.3 pounds
  • Room Coverage: Up to 325 square feet
  • Fan Speeds: 3 levels (Low/Medium/High)
  • Noise Level: 24.4 dB (Low), 44.5 dB (High)
  • Energy Consumption: 77 watts (High), 7.5 watts (Low)
  • Noise Level: 24.4 dB (Low), 44.5 dB (High)
  • Warranty: 3-year limited warranty

Things We Liked:

  • It has an ECO mode that optimizes power consumption and helps save on electricity bills
  • The smart sensor adjusts the fan speed based on the air quality readings, ensuring efficient and effective purification
  • Ionizer function produces negative ions that attach to pollutants and allergens, making them easier to trap by the air purifier

Things We Didn’t Like:

  • The Coway Airmega AP-1512HH(W) does not have a humidistat or other controls that are necessary for growing certain mushroom species
  • It may not be sufficient to filter out some of the smaller mushroom spores, which can be as small as 0.01 microns

3. Quietest: RabbitAir MinusA2 HEPA Air Purifier:

RabbitAir MinusA2 Ultra Quiet HEPA Air Purifier - Stylish, Efficient and Energy Star (SPA-780A, White, Odor Remover)

The RabbitAir MinusA2 Ultra Quiet HEPA Air Purifier is good for growing mushrooms. It’s 21.5 inches tall, 20.5 inches wide, and 8 inches deep and weighs 19 pounds. 

It has a HEPA filter, a customizable filter, a pellet carbon filter, a medium filter, and a pre-filter. It has five fan speeds and works in rooms up to 300 square feet. 

The RabbitAir is expensive but worth it for its high CFM and multiple filter options. 

It can be controlled with a smartphone and has a durable motor and a five-year warranty. 

Customized filter options include Germ Defense, Pet Allergy, Toxin Absorber, Odor Remover Filters, and an Advanced HEPA Filtration system.


  • Dimensions: 20 x 21.4 x 7 inches
  • Weight: 19.4 pounds
  • Room Coverage: Up to 815 square feet
  • Fan Speeds: 5 levels (Low/Medium/High/Turbo/Auto)
  • Noise Level: 20.8 dB (Low), 45.6 dB (Turbo)
  • Energy Consumption: 7-47 watts (depending on fan speed)
  • Air Quality Indicator: Yes, with LED light system
  • WiFi Connectivity: Yes, with Rabbit Air app compatibility
  • Warranty: 5-year limited warranty

What We Liked:

  • Efficiency Traps particles less than 0.1 microns
  • The RabbitAir MinusA2 Ultra Quiet HEPA Air Purifier also offers a custom filter option, allowing growers to select filters tailored to their mushroom growing needs.
  • Depending on the fan speed, it uses just 7-47 watts of power, making it an energy-efficient option for purifying the air in your grow room.

What We Didn’t Like

  • Not suitable for scorching and humid or extremely cold environments
  • The price point may also be a con for some people

Key Features To Consider When Choosing An Air Purifier For Mushroom Growing

When selecting an air Purifier for mushroom cultivation, it is crucial to consider features such as:

  • HEPA filters,
  • Carbon filters for odor removal
  • Ultraviolet (UV-C) lights to kill bacteria and viruses
  • Noise level and coverage area
  • Portability and easy maintenance.

Below you will find some other factors to consider when choosing an air purifier. 

High-Efficiency Particulate Air (HEPA) Filters

HEPA filters, commonly used in air purifiers for mushroom cultivation, effectively remove 99.97% of particles 0.3 microns or larger, including mold spores and indoor contaminants. 

H13 HEPA filters, recommended for growers, capture particles as small as 0.1 microns with over 99% efficiency, reducing contamination risks and promoting healthier yields. 

Regular filter replacement is crucial for optimal performance, but high-quality air purifiers often notify users when maintenance is needed.

Carbon Filters For Odor Removal

When selecting an air purifier for mushroom cultivation, consider carbon filters.

These filters remove odors from mushrooms and other materials by adsorbing particles onto activated carbon or charcoal, unlike HEPA filters which only trap them. 

Air purifiers with carbon filters maintain a fresh, clean environment, especially in residential settings. Combining carbon and HEPA filters ensures a sterile and odor-free mushroom growing space.

Ultraviolet (UV-C) Lights To Kill Bacteria And Viruses

UV-C light-equipped air purifiers are valuable for mushroom growers, as they kill bacteria, viruses, mold, and mildew without byproducts or chemicals. 

These purifiers use germicidal radiation to eliminate harmful microorganisms without recirculating them. 

Some models offer adjustable UV-C intensity. However, UV-C technology doesn’t filter large particles, so combining it with HEPA filters is recommended for optimal purification.

Noise Level And Coverage Area

Selecting an air purifier for mushroom growth requires considering noise levels and coverage area. Balancing these factors ensures optimal results.

Finding an air purifier with high coverage, low noise, and advanced filtration is a standout choice. 

Customizable Settings And Replaceable Filters Offer Convenience And Efficiency 

Appropriate noise levels and coverage areas contribute to a clean environment for healthy mushroom cultivation without causing a disturbance.

Portability And Easy Maintenance

Portability and easy maintenance are crucial when choosing an air purifier for mushroom growing. 

Lightweight, transportable devices with handles or wheels offer convenience. Opt for models with minimal upkeep, washable pre-filters, and indicator lights for filter replacement.

 Air Purifier For Mushroom growth

Final Thoughts

In conclusion, growing mushrooms can be a rewarding and profitable venture. 

However, it requires strict attention to detail and maintaining a clean environment for optimal growth. Air purifiers are vital in creating a sterile environment for successful mushroom cultivation.

When deciding on the best air purifier for your needs, consider critical features such as high-efficiency filters like HEPA, Carbon, and ultraviolet lights.

Remember to prioritize coverage area, noise level, portability, and easy maintenance. 

It is essential to know that proper air filtration is crucial in producing healthy mushrooms free from contamination, resulting in bountiful harvests!

Comparison Table Of The Top Air Purifiers For Mushroom Growers

Product NameAlen BreatheSmart FIT50Coway AP-1512HH MightyRabbitAir MinusA2
Coverage Area900 sq ft every 30 minsUp to 325 sq ftUp to 815 sq ft
Dimensions16.75″D x 10″W x 22.25″H16.8″ x 18.3″ x 9.6″20″ x 21.4″ x 7″
Weight16 lbs12.3 lbs19.4 lbs
Control MethodTouchButtonButton/Remote/WiFi
Filter TypeH13 True HEPAHEPAHEPA
Noise Level32.4 dB24.4 dB (Low) 44.5 dB (High)20.8 dB (Low) 45.6 dB (Turbo)
Fan Speeds4 levels3 levels5 levels
Energy Consumption60 watts7.5 watts (Low) 77 watts (High)7-47 watts (depending on fan speed)
Additional FeaturesAuto mode, ozone-safe ionizer, and four fan speed options with pink noise on turbo settingN/AAir quality indicator, WiFi connectivity, customizable filter options
WarrantyLifetime limited3-year limited5-year limited

Air Filters For Mushroom Cultivation FAQS:

Why Do I Need An Air Purifier For Growing Mushrooms?

Growing mushrooms requires a highly controlled environment; air quality is crucial to their growth.

An air purifier can help remove contaminants, pollutants, and airborne pathogens that could harm your mushroom crop. (1.)(2.)(3.)

What Features Should I Look For In An Air Purifier For Growing Mushrooms?

An ideal air purifier for mushroom cultivation should have HEPA filters to capture small particles such as spores, carbon filters to eliminate odors, and UV-C technology or other sterilization methods to kill any remaining bacteria or viruses.(1.)(2.)(3.)

How Does The Size Of My Grow Room Affect My Choice Of Air Purifier?

The size of your grow room will determine the size of the air purifier you need.

A small room may only require a single unit with a lower CFM (cubic feet per minute) output, while larger spaces may need multiple units with higher CFM ratings.

Can I Use Any Air Purifier For Growing Mushrooms?

Not all air purifiers are suitable for mushroom cultivation, as certain types produce ozone emissions that can harm plants and fungi. (1.)

It’s important to research carefully before purchasing and choose an appropriate model specifically designed for indoor gardening.

irene mills author of freshairdevices


Irene Batres is eager to help others create an indoor allergen-free home. She has years of experience testing out air purifiers, dehumidifiers, and other products designed to help with indoor air quality. Learn more about me.