Founded in 1999, Tongdy Control Technology is an industry leader which has designed and manufactured high quality IAQ products and HVAC controllers for 12 years.
Tongdy provides IAQ products including transmitters/controllers of carbon dioxide and carbon monoxide, with or without temperature and humidity detection; other IAQ indicators and controllers of ozone and VOC’s, as well as micro particles. The HVAC products include temperature and humidity transmitters, programmable and non-programmable digital thermostats and humidity controllers with Modbus and Bacnet interface. Not only these products have Modbus or Bacnet option but also some of them have Zigbee or Wifi communication option.
All of these products have CE-approval.
As an advanced technology company, Tongdy heavily invests in R&D in IAQ and HVAC products and solutions for more than 10 years, it’s professional to supply the high quality products with high quality service. Tongdy specializes in customizing products to meet