Air conditioning and heating how many degrees the most appropriate - every 2 ℃ lower than 10% on energy saving 1. winter air temperature setting down every 2 ℃, air conditioner can save more than 10%. From the energy point of view, air-conditioning set temperature in the case of the human body to ensure heating central air-conditioning manufacturers, of course, the lower the better. So central air conditioning, integrated a number of factors, the proposed winter air temperature is set to be appropriate at around 20 ℃. 2. Another central air conditioning production, due to the warm air is lighter than air, easy to float over the entire closed room, the use of wall-mounted air conditioner, it is preferable to adjust downward angle outlet, which could power. Daikin central air conditioning FTZR236PC-W with night sleep mode, the user can run three hours of sleep, set the temperature dropped 2 ℃, get up an hour before it will rise 1 ℃, and promoting user sleep. The product also has an outdoor silent operation function, the user can ensure undisturbed sleep the outdoor unit, bring a more peaceful sleep environment. Central air conditioning, Xi'an Hao Electrical and Mechanical Services (certification), Fufeng central air conditioning provided by the Xi'an-ho, the Electrical and Mechanical Technology Limited. Xi'an Hao Electrical and Mechanical Technology Co., Ltd. (www.029hfkt.com/)(www.029hfkt.com) is Xi'an, central air conditioning leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum to meet customer needs. Xi'an Hao Electrical and Mechanical Services leadership with the staff warmly welcome all inquiries negotiations to create the Electrical and Mechanical Xi'an Hao better future.