The new air unit and the air conditioning unit difference two: fresh air unit dealing mainly outdoor air fresh air units, and air conditioning units for processing through the air ventilator treatment; but the new fans can have a return air fresh air unit manufacturers, can have fresh air, its purpose is In order to better regulate the temperature and humidity, and other parameters. 5, in the presence of other abnormalities inspection machine, the inner panel is sealed after installation. 6. Check the filter seal and leakage 7, check into the wind, air valve is in the open state of the new air unit manufacturers, the full range of dual-Carrier Air Conditioning (certified), sunshine fresh air units from Carrier Air Conditioning Equipment Co., Texas two available. Carrier Air Conditioning Equipment Co., Texas two (www.slktsb.com) 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. Two-profit leader in air conditioning with the staff warmly welcome all inquiries negotiations to create a better conditioned double benefit in the future.