Decoration Materials Testing

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Fresh Air System Testing

For many years, CTC has been committed to the inspection and testing of HVAC products, consistently upholding the principles of scientific integrity, accuracy, and reliability. CTC has participated in the development and revision of numerous national and industry standards and has undertaken numerous national and local supervision and random inspection tasks. The company possesses a professional testing team, advanced testing equipment, extensive testing experience, and holds qualifications such as CNAS, CMA, and CAL.

Testing Products

Air Conditioning Products:

Heat recovery ventilators (environmental control units), fan coil units, room air conditioners, central station air handling units, unitary air conditioners, multi-split systems, ducted air conditioners, chiller (heat pump) units, water-source (ground-source) heat pump units, heat pump water heaters, etc.

Air Filtration and Purification Products:

Filters, air purifiers, purification devices for ventilation, etc.

Heating Products:

Various types of heating radiators.

Air Duct Products:

Metal air ducts, non-metallic air ducts, composite air ducts, etc.

Testing Items

Air Conditioning Products:

Operation, cooling capacity, cooling power input, heating capacity, heating power input (for heat pumps), heating power input for electric heaters, maximum cooling operation, maximum heating operation, low-temperature operation, condensation, condensate drainage capacity, automatic defrosting, cooling seasonal energy efficiency ratio (CSEER), cooling integrated part load performance coefficient (IPLVC), annual performance factor (APF), etc.

Air Filtration and Purification Products:

Appearance, dimensional deviation, resistance and efficiency, dust-holding capacity, cleanability, ozone concentration increase, PM2.5 purification efficiency, gaseous pollutant purification efficiency, microbial purification efficiency, purification energy efficiency, etc.

Heating Products:

Standard heat output, metal thermal strength, form and position tolerances, thread quality, pressure, etc.

Air Duct Products:

Appearance, dimensional deviation, specific friction resistance, condensation resistance, deformation, release of harmful gases, etc.

Testing Standards

Air Conditioning Products:

GB/T 21087, GB/T 10870, GB/T 25127.1, GB/T 25127.2, GB/T 18430.1, GB/T 18430.2, GB/T 14294, GB/T 23137, GB/T 21362, GB/T 17758, GB/T 18836, GB/T 18837, GB/T 4706.1, GB/T 19232

Air Filtration and Purification Products:

GB/T 14295, GB/T 13554, GB/T 6165, GB/T 34012, GB/T 18801, GB/T 18883, etc.

Heating Products:

GB/T 13754, GB/T 29039, GB/T 19913, JG/T 220, etc.

Air Duct Products:

JG/T 258, JGJ/T 141, JG/T 301, GB 50243, etc.