Air Duct (before/after cleaning)	Prevention is better than Cure	Air Testing
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Info Stream is the 1st Air Duct Cleaning Contractor to be certified by NADCA as an Air System  Cleaning Specialist (ASCS) in Hong Kong, China.

Founded in Hong Kong in 1995 by a group of environmental friendly professionals to provide services related to Indoor Air Quality.  We offer our service to every level of general publics i.e. Government Bodies, Hospitals, Hotels, Residential, Commercial and Industrial Buildings.  Our objective is provide people with a cleaner and healthier indoor air quality.

Info Stream provide the following services:
*IAQ Laboratory Testing - Sulphur Dioxide, Nitrogen Dioxide, Carbon Monoxide, Ozone, Carbon Dioxide,
 Formaldehyde, Benzene, Fungi, Bacteria & Particulate Weight Measurement Monitor and control harmful
 indoor gas and substances.
*Provide recommendation and solution to improve Indoor Air Quality
*On Site Inspection
*Air Duct Cleaning
*Air Duct Sanitizing
*Robotics inspection and cleaning

Member of:
*NADCA (National Air Duct Cleaners Association)
*Air & Waste Management Association
*ASHARE (American Society of Heating, Refrigerating and Air-conditioning
 Engineers)
*Green Cross Group by Occupational Safety & Health Council

For further information, please call 2343-8403 we will contact you shortly.