Regional adaptability research of building thermal insulation energy efficiency technology in China

The building thermal insulation is an important technology of building energy efficiency. Taking the typical residential in the cold region-Beijing and those of South China-Guangzhou as the template, this paper has conducted simulation analysis on their respective energy consumption when adopt exterior thermal insulation walls or interior thermal insulation walls. The study has shown that the exterior thermal insulation wall is better in energy efficiency in the cold region and South China than the interior thermal insulation wall. What´s more, the result can be more clearly observed in the cold region than in South China. From the aspects of the climate´s influence on thermal insulation quality, the installation´s influence on building facades and construction practices, it is proved that the exterior thermal insulation wall is suitable in the cold regions and the interior thermal insulation wall is fit for South China.