When indoor air quality is poor, building occupants often report feeling sick or uncomfortable.


ECOH’s consultants are experts in assessing indoor air quality (IAQ), and can provide you with recommendations on how you can improve it and prevent future problems.

Our services include:

  • Designing and supervising duct-cleaning programs
  • Legionella investigation and management plans
  • Microbiological contamination investigations
  • Odour investigations
  • Post-fire air quality testing
  • Occupational hygiene assessments
  • Radon assessments by a Certified C-NRPP Residential Radon Measurement Service Professional
  • Litigation support and expert testimony
  • Indoor air quality assessments and complaint investigations, including:
    • Measuring comfort factors like temperature, relative humidity and air movement
    • Air sampling for air freshness indicators and contaminants like carbon dioxide and carbon monoxide
    • Ventilation/ HVAC evaluation
  • Evaluations in response to workers with environmental hypersensitivity
  • Development of IAQ management programs and recommendations for improvement

contact US for more information

For further information, please email or call us at
905.795.2800 or toll free at 1.866.231.6855