Overweight simple terms is the number of horses indoor air conditioning units in the system exceeds the number of horses outdoor unit. Home projects, general air conditioning in all rooms rarely open simultaneously (as in most of the three-bedroom in open air two or three rooms), this time in order to reduce the cost, the number of horses outdoor unit air conditioner usually less than the number of horses the indoor unit, that the formation of overweight. In this case, the central air conditioning Which is good, as long as according to the specific circumstances of the user's actual needs and architecture, reasonable choice of indoor and outdoor air conditioning unit capacity of central air-conditioning, making the indoor unit is greater than the actual capacity of the indoor load, can ensure the indoor air-conditioning effect . Air conditioning and heating how many degrees the most appropriate - human health Temperature 1. indoor and outdoor temperature should not be too large, the winter is best to keep indoor air temperature is set higher than the outdoor 8 ℃. If the indoor and outdoor temperature difference is too large, people in the cold and hot environments, easy to colds; for the elderly and people suffering from high blood pressure, indoor and outdoor temperature not to be too large. Because the indoor temperature is too high, the body vasodilation, and then if suddenly to the outdoor central air conditioning installation, suddenly shrink blood vessels, the elderly and patients with hypertension disorder causes the occurrence of cerebral blood circulation, easily induced stroke. 2. air conditioning closed doors, a long time can cause indoor oxygen, bacteria, virus will take the opportunity to accumulate a large number of central air-conditioning company, therefore, air conditioning every time you open more than two hours should be stopped, and window ventilation. Which central air conditioning | central air-conditioning Henan | Xi'an Hao Electrical and Mechanical Services provided by the Xi'an Hao Electrical and Mechanical Technology Limited. Xi'an Hao Electrical and Mechanical Technology Co., Ltd. (www.029hfkt.com/)(www.029hfkt.com) strong, credible, in Xi'an in central air-conditioning industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Electrical and Mechanical Xi'an Hao into the brilliant and you work for a better future!