Testing & Certification

With the stringent conditions required in today’s high-precision manufacturing processes, your facility can benefit from expert assistance to ensure you retain your cleanroom certification. As running the relevant tests on a regular basis to check for any deviations from the norm can be a drain on resources, relying on an expert for cleanroom certification services is often the best choice, both in terms of reduced costs and more effective results. 

As one of the leading providers of cleanroom performance testing in Singapore, Cleanzones is the partner you need to guarantee your operations are fully in line with the specified guidelines. We provide end-to-end cleanroom certification services, and can also be relied on to conduct specific procedures like Cleanroom Performance Testing, 21 CFR Part 11 Compliance in Temperature Mapping, or Compressed Dry Air (CDA) testing. 

Cleanzones can set up a monitoring and optimisation process that will keep your cleanroom at peak efficiency. We’ll handle the regulatory details so that your team can focus on what is most important – innovation.


Our cleanroom certification services are geared to ensure your operations are in line with international standards and guidelines, including:

  • ISO 14644
  • cGMP / PICs
  • IEST
  • BS 5295
  • ISO 8573-1
  • 21 CFR Part 11 Compliance

If you require specific cleanroom testing procedures to be conducted, we can assist you with the following to​​ ensure that your cleanroom and clean air devices provide the necessary clean air for your work processes:

  • Airflow Velocity and Uniformity Test
  • HEPA/ULPA Filter Installation Leak Test
  • Airborne Particle Count Test
  • Noise Level Test
  • Airflow Pattern Test
  • Light Intensity Test
  • UV Light Test
  • Differential Pressure
  • Room Recovery
  • Floor & Wall Resistance
Airflow Visualisation

To demonstrate the actual airflow pattern throughout the work zone of the cleanroom.

Illustrate the effects on room airflow by the process equipment tooling within the work zone.​

Compressed Dry Air (CDA) Testing

Conformity with ISO 8573.1:2010 Compressed Air Quality Standard

We offer a complete range of testing services to assess the compressed air quality in your plant and maintain it in line with international specifications, which is especially important for critical applications in Pharmaceutical & Semiconductor facilities.

  • Purity Test @ 0.1μm particle size (count/m3)
  • Oil Mist Content Test (mg/m3)
  • Water Vapor Content Test (g/m3)
  • Pressure Dew Point Test (°Ctd)
  • Microbial Count Test (cfu/m3)
  • Total Hydrocarbon Content Test (ppm)
  • Carbon Monoxide Test (..and other gases)
Humidity/Temperature Mapping Services

Our expert humidity and temperature mapping services can result in several benefits to your facility, such as:

  • Maintaining consistent temperature and humidity levels to improve warehouse & cold room conditions
  • Eliminating temperature-related product failures, saving the time and money spent on rectifying such errors
  • Aiding in regulatory compliance like 21 CFR Part II
  • Identifying problem hot-spots in racking, shelving, and pallet storage systems

Electronic Data logging
(wireless & non-wireless)

  • Measurement : Temperature (°C) Humidity (%)
  • Resolution : 0.1°C / 0.1% RH
  • Accuracy : ±0.5°C / ±3% RH
  • Measuring range : -20~+70°C/0~100
  • Measuring rate : 2 secs to 24 hours
HVAC Air Balancing

No matter the type of HVAC system you rely on, our experienced team can support you with air balancing services to achieve the requirements of your cleanroom processes.

  • Airflow Volume
  • Room Total Air Change Rate
  • Room Differential Pressure
Duct Leak Test

DW/144 & DW/143
Ductwork Leakage Testing

We conduct thorough duct leak testing procedures to accurately assess the following:

  • Supply & Return Duct
  • Allowable Leakage & Actual Leakage
  • Leakage Class
  • SMACNA HVAC Air Duct Leakage Test
    Manual 1st Edition 1985
Fumigation Procedures
(Cleanrooms, Pharmaceutical Operations, and Hospitals)

For fumigation, we employ a time-tested and effective decontamination procedure using hydrogen peroxide mist as a broad-spectrum disinfectant to curb microbial and fungal contamination to acceptable levels.

This solution is ecologically safe, being biodegradable and non-carcinogenic as it breaks down chemically into water and oxygen. Further, the Swiss-formulated disinfectant we use is odorless, temperature-stable, non-heated, and leaves no residue. 



2 Gambas Crescent #09-10 Nordcom II Singapore 757044

Open Hours:

9am – 6pm



No.17-1 Jalan DU 1/2,
Taman Damai Utama, 47180 Puchong,
Selangor Darul Ehsan, Malaysia

Open Hours:

9am – 6pm

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