Various forms of collectors, each with pros and cons should be a reasonable choice; system selection is a key step in the design of solar water heating systems should be fully rational selection research. Installation of solar hot water system can not destroy the collector absolutely waterproof roof insulation as the price of crude oil in the pre-embedded parts should be designed according to different products. Preset buried and installed a variety of forms, according to the water heater manufacturers installation requirements and associated design requirements assault reserved installation. In addition to installing the roof outside the collector, pipelines and other structures also can not destroy normal function, and should be embedded in the sleeve and the corresponding fixture. The use of solar energy projects in Qingdao Water Heater Co., Ltd. Zhejiang Yi Puli balcony wall is recommended to install solar water heaters and solar balcony railings