28.5 m³ Environmental Test Chamber is Optimized for ISO 17025 | Advanced Aerosol & Allergen Testing | Real-World Exposure Studies

Purpose-Built Chambers for Real-World Simulation Studies

Airmid Healthgroup’s custom-built 28.5 m³ Environmental Test Chamber is designed to simulate a wide range of indoor environments under tightly controlled conditions. It supports a variety of studies including antimicrobial surface efficacy, viral inactivation, VOC off-gassing, filtration performance, and allergen exposure testing.

Our chamber-based studies bridge the gap between benchtop laboratory testing and real-world use scenarios, helping our clients generate performance claims supported by rigorous, repeatable data.

28.5 m³ Environmental Test Chamber At A Glance

Volume: 
  • 28.5 m³ (walk-in)
Air Change Rate (ACH):
  • Adjustable from 0.5 to 20 ACH with HEPA-filtered air handling units
Temperature Control: 
  • Adjustable from 0.5 to 20 ACH with HEPA-filtered air handling units
Humidity Control: 
  • Programmable relative humidity levels (±2%)
Interior Finish: 
  • Powder-coated stainless steel, designed for ultra-low VOC environment
Air Quality Integrity: 
  • Cleanroom-style entry via positive pressure anteroom with interlocking doors
Sterilization: 
  • Integrated UV-C lighting for full chamber sanitization
Visibility: 
  • Observation window for live monitoring
Sampling Ports: 
  • External-facing ports for real-time aerosol, particle, or gas-phase sampling
Instrumentation Available:
  • Bioaerosol samplers (e.g., SKC Biosamplers)
  • Cascade impactor
  • Real-time particle counters (0.3 to 10 µm)
  • Microbial air samplers
  • Temperature, RH, CO2, and VOC monitors
  • Customised dust challenge introduction systems

The 28.5 m³ Environmental Test Chamber is Ideal for Testing:

 

Airmid scientist configuring aerosol sampling equipment outside a 28.5 m³ environmental test chamber

Technician calibrating sampling apparatus outside Airmid’s ISO 17025-accredited walk-in test chamber

 

 

  • Air Purifiers and Filters
  • Disinfection Systems
  • Surface Materials and Coatings
  • Household Appliances (e.g., vacuum cleaners)
  • Cleaning and Laundry Products
  • Consumer Goods with Indoor Air Claims
  • VOC and Formaldehyde Emissions
  • Allergen Containment and Exposure Protocols

 

Specific Tests for 28.5 m³ Environmental Test Chamber

Portable Air Cleaner Performance Testing

  • Standard:ANSI/AHAM AC-1:2018
  • Purpose:Measures Clean Air Delivery Rate (CADR) for particles (dust, pollen, smoke)

Whole-Room Air Cleaner Efficacy Testing

  • Standard:ANSI/AHAM AC-5 (Draft or Released Version)
  • Purpose:Evaluates performance of air cleaners in large chambers with real-world ACH rates

Volatile Organic Compound (VOC) Emissions Testing

  • Standard:ASTM D6670
  • Purpose:Measures VOC off-gassing from products in sealed chamber environments

Household Appliance Emissions Testing (e.g. Vacuum Cleaners)

  • Standard:IEC 62885-2 / EN 60312
  • Purpose:Measures airborne particulates or allergen release during use

Surface Disinfectant Efficacy Under Simulated Use Conditions

  • Standard:ASTM E2967 / ASTM E3135
  • Purpose:Evaluates effectiveness of antimicrobial treatments in indoor environments

Biological Aerosol Containment or Inactivation

  • Standard:ASTM E2721 or EPA Guidelines (e.g. MB-31-03 for air disinfectants)
  • Purpose:Measures air disinfection or pathogen control from UV, plasma, or HEPA devices

 Chinese Air Purifier Performance Evaluation

  • Standard:GB/T 18801-2015 (China)

  • Purpose:Measures CADR and cumulative purification (CCM) for PM2.5 and formaldehyde

Formaldehyde and Aldehyde Emissions Testing

  • Standard:ISO 16000-3 or EN 717-1

  • Purpose:Assesses chemical emissions from building materials and consumer goods

Airflow and Ventilation Control Testing

  • Standard:ASHRAE 62.1 or 241-2023 (fresh air delivery)

  • Purpose:Validates ACH, airflow patterns, and clean air supply rates

Allergen Exposure Protocols

  • Standard:Custom protocols aligned with ISO 16000-16 / EN 13795 (adapted)

  • Purpose:Simulates allergen release and exposure under real-world use conditions

Why Use Airmid’s 28.5 m³ Environmental Test Chamber?

With ISO 17025 accreditation, GLP capabilities and deep expertise in infectious aerosols, allergen exposure, and environmental microbiology, Airmid Healthgroup stands apart. Our 28.5 m³ Environmental Test Chamber is not a box. It is a highly instrumented, scientifically validated platform designed to simulate real indoor environments.

We routinely work with clients ranging from medtech innovators and consumer goods brands to research institutions and standards developers. We can support both R&D and regulatory validation testing

Book a Consultation

Looking to validate a product, simulate an indoor environment, or conduct a custom bioaerosol or surface exposure study?

Contact us today to explore how Airmid’s 28.5 m³ Environmental Test Chamber can support your next project.

Related Services

Virology Lab Services

At Airmid Healthgroup, our ISO/IEC 17025:2017-accredited and GLP-compliant Virology Laboratory is globally recognized for advanced antiviral testing and efficacy validation. We assess a wide range of products, from air purifiers and HVAC systems to medical textiles and high-touch surfaces, under real-world simulated conditions.

Explore our virology testing and GLP-compliant antiviral efficacy services

Custom Bioaerosol Protocol Development

Design and validation of bespoke test protocols to simulate airborne exposure of pathogens, allergens, or particles under controlled environmental conditions.

https://airmidhealthgroup.com/custom-bioaerosol-protocols.html

3 m³ Environmental Test Chamber

Our 3 m³ environmental test chamber has been built in accordance with the Chinese standard GB/T 18801-2015. The chamber is constructed from powder-coated stainless steel with all materials complying with low VOC (volatile organic compound) emission requirements. Access to the chamber is via a positive pressure anteroom, fitted with interlocking doors and complies with cleanroom standards. Air is supplied and extracted using HEPA filtered air handling units

Explore our 3 m³ environmental test chamber

Related Resources

APIC 2025: Ultraviolet Comebacks, Air Purification Momentum, and the Certification Gap

By Dr. Matthew Hardwick, a leading expert in infection prevention and antimicrobial surface technologies, with a strong background in GLP studies and academic research that has advanced the field of infection control.

Indoor air quality is fast becoming a defining issue in building design and human health

by Emma Gribben is Principal at the Academy of the iAIR Institute, with a Master’s in Health Promotion and Public Health. She leads education initiatives focused on indoor air quality, wellness, and the built environment.

Workplace and Indoor Aerosols Conference (WIAC2025): Bridging Science and Health

by Oliver Dsa, MSc, senior virologist at Airmid Healthgroup, where he leads testing and research on airborne pathogens, indoor air quality, and antiviral technologies in real-world environments.

 

Related Case Studies

Philips Validates Virus Removal Technology with Airmid Healthgroup

In a collaborative study, Philips partnered with Airmid Healthgroup to validate the AC4600 air cleaner’s effectiveness in removing airborne Influenza A (H1N1) particles. The rigorous testing demonstrated a 99.9% virus reduction within 20 minutes, showcasing Airmid’s role in providing trusted, independent scientific validation for product claims.​

Read the Philips airborne Influenza A (H1N1)  Case Study

Airmid Healthgroup contributed to a study carried out by Dyson showing that hand drying methods, including jet air dryers and paper towels, have comparable impacts on indoor air quality.

Airmid Healthgroup Contributes to Dyson Study on Hand Washing, Drying, and Indoor Air Quality

Airmid Healthgroup validated VitrA’s light-activated antibacterial tiles as 99.9% effective against MRSA, E. Coli, and Athlete’s Foot fungus, supporting their market entry for healthcare and swimming pools.

 Airmid Validates Light-Activated Antibacterial Tiles by VitrA as 99.9% Effective Against MRSA, E. Coli, and Athlete’s Foot Fungus

Relevant External Links

 ISO/IEC 17025 General Requirements for Testing and Calibration Laboratories

ASHRAE Standard 52.2 – Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

Key Word

28.5 m³ Environmental Test Chamber, Environmental test chamber | ISO 17025 accredited lab | walk-in test chamber | bioaerosol testing | aerosol exposure chamber | VOC emissions testing | allergen exposure testing | antimicrobial surface testing | temperature humidity controlled chamber | air purifier performance testing

Key Phrases

  • 28.5 m³ Environmental Test Chamber specifications for product testing
  • ISO 17025 accredited laboratory for aerosol exposure studies
  • walk-in chamber for air purifier and filtration testing
  • VOC and formaldehyde emissions testing in controlled environments
  • temperature and humidity controlled chamber for IAQ studies
  • allergen exposure testing in a sealed chamber environment
  • testing antimicrobial surface coatings in real-world simulations
  • controlled environment chamber for disinfection efficacy
  • custom bioaerosol protocols using HEPA-filtered chambers
  • chamber studies for consumer products with indoor air claims