Air measuring installation: return air: usually return air will be installed together with the manhole, central air conditioning offer the United States, outlet size must be consistent with the machine back to the air, can not appear misaligned, so that it can achieve the best return air flow; and ensure that there enough space for maintenance. Another all customers pay attention, the US central air conditioning manufacturers, the outlet must not be installed in the lights nearby (reason: If the outlet before have lights, will result in air conditioning and heating when blocking the wind, central air-conditioning sales the United States, while hot air is up so that the hot air trapping the upper room, so that the whole space feel lack of heat, you need a long time to have a hot feeling.) embedded or recessed ceiling inside the outlet, should pay attention to check the ceiling is completed, if the ceiling part in the cracks, causing leakage, airflow can cause a short circuit, out of the wind does not reach the area of ??use, the machine has returned to air conditioning, and affect the results. Over the years their home air conditioners and central air-conditioning the parallel development of the domestic air-conditioning industry, one of the reasons is that both markets are different, household air-conditioning users are mainly family-oriented, and central air conditioning system suitable target is more for large buildings (such as hotels, shopping malls, office buildings, etc.). As China's economic development, Huanglong US central air conditioning, housing conditions continue to improve, the area continues to expand, a large number of developers 150 to 500 square meters suite, duplex homes and villas, between home air conditioners and central air conditioning systems between the blank spots will be revealed, so many air conditioning manufacturers timely introduction of home central air conditioning system solutions. Huanglong US central air conditioning _ US central air conditioning installation _ Xi'an Hao Electrical and Mechanical Services (quality businessmen) 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) in this area of ??central air conditioning devoted boundless enthusiasm and passion, Xi'an Hao Electrical and Mechanical Services has been customer-centric, to create value for customers The concept of quality, service to win market, and sincerely hope to cooperate with the community to create success, to create brilliant. Related businesses welcome inquiries, contact: Ms. Wong.