"After our county adopts a green and low-carbon heating method, it is much more comfortable in winter, the house is warm, the sky is blue, and everywhere is clean. Recently, Adili Tursun, a resident of the first phase of the happy community in Keping Town, Keping County, Aksu Prefecture, Xinjiang Uygur Autonomous Region, said.The green and low-carbon heating method mentioned by Adili is that Keping County will gradually eliminate traditional coal-fired boilers from 2020 and adopt electric boiler