The reliability and quality of power supply equipment and efficiency of air-condition equipment have great effect on whether the Telecommunication system is blocked or not, as well as the quality of Telecommunication.

Acoustic design of noise test cabinet for air conditioning equipment;

Overviews the status of residential building construction in Japan,and the air conditioning equipment and systems in residential buildings,as well as the relevant energy consumption and emissions of CO2.

Expounded are the development of the air conditioning equipment on rolling stock and the development of the environment protection type refrigerant.

And it provides reference for design of air-conditioning equipment.

This paper presents engineering surrey, determine of indoor design variable, air conditioning cooling-heating load and selection of cooling-heating source unit, air conditioning system design, control of air velocity and form of air distribution, noise control of air conditioning equpment and vibration isolation ets for some TV Mansion.