News — Tongdy

CO2 Meter Helps Lower Heating Costs for Business

Nestled on the northern shore of Lake Superior, it gets cold in Thunder Bay, Ontario, Canada. The town typically has 203 days a year when the minimum temperature is at 0 °C or below. So it made sense when Dennis Wood, President of Cinevate in Thunder Bay, Ontario decided to take an existing 9,000 sq./ft. warehouse, gut it, and turn it into a net-zero energy building for his company. As part of the project, the Tongdy CO2 Monitor with Relay was integrated into the system to control a heat recovery ventilator (HRV) that warms fresh air by transferring the BTUs...

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2013 AHR Trade Show Report

Ray Hicks, President, CO2Meter.com I spent three days at the 2013 AHR Expo in Dallas last month. This trade show is billed as the biggest air-conditioning, heating and refrigerating exposition in the world. Here are some of my notes from the show: What was New?  I didn’t see anything that could be called a “new concept.” Instead, most products were the result of improvements and evolution. For example, Tongdy had very nice Zigbee subsystem that has a well thought out subnet 802.15 (ZigBee) to 802.1 (Ethernet). System set up was clean, with little or no knowledge required.  One technology that...

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CO2Meter.com to Offer Tongdy IAQ Product Line

CO2Meter.com 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...

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