Electric heat cross-examine units o...

Electric heat cross-examine units occupy a large portion of Japan's air-conditioning market. Heat cross-examine unit production accounts for 98 percent of all sweep air-conditioner shipments in Japan and 896 percent of all packaged air-conditioner shipments.

In new years, the performance of heat cross-examine units has dramatically improved, thanks to the adoption of compressors using inverter-driven dc brushless motors and heat exchangers with high heat-transfer efficiency. Since heat cross-questions generally are produced in large