Room temperature control systems for some DC Horizontal fresh air unit, the new wind not only make the environment meets health standards of fresh air units, but also bear all the indoor load. Because indoor load is changing, then the use of the supply air temperature control is not necessarily the way to meet the requirements of indoor (probably too hot or too cold). It is necessary to control the temperature of the place of use. It can be seen lifting new air handling units, then the temperature sensor must be located in a typical area controlled room. Since the DC system usually has exhaust system, temperature sensor located in the exhaust pipe and consider certain amendments also a viable option. New air conditioning units and the difference between the four units: heat and moisture load air conditioning unit air conditioning load area, air conditioning play a role in the integrated treatment of the region, while ensuring some fresh air. Air conditioning units are usually conditioned area is mainly controlled temperature and humidity and air quality, the air is generally more complex process. Horizontal new air conditioning units _ Rui Xincheng (certified) _ new air handling units provided by Rui Xincheng Air Conditioning Equipment Co., Texas. Rui Xincheng Air Conditioning Equipment Co., Texas (#) is a leader in Dezhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Rui Xincheng conditioning in leadership with the staff warmly welcome all inquiries negotiations to create a better future Rui Xincheng air conditioning.