to Offer Tongdy IAQ Product Line has announced that it will begin distributing several products from the Tongdy line of indoor air quality controls.

Tongdy Control Technology Co., Ltd., founded in 1999 in Beijing China, is a leading hi-tech company engaged in design and manufacture of control products for BAS, DCV and HVAC systems.

With more than 10 years’ experience in product design and research, Tongdy's product range covers digital room thermostats for HVAC systems, digital humidity detectors and controllers, and various IAQ detectors and controllers for carbon dioxide (CO2), carbon monoxide (CO), ozone (O3) and volatile organic compounds (VOCs).

Tongdy products feature Modbus RS485 interface, 4-20mA and 0-10V outputs to make them compatible with virtually all industry standard HVAC systems.

"I'm excited to represent the Tongdy product line," said Ray Hicks, President of "After reviewing their product line, I came to the conclusion that Tongdy's combination of proven sensor technology and competitive pricing will interest our clients in the LEED, HVAC and IAQ markets."

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