Comment on residential building heating in hot summer and cold winter zone

Residential building heating in hot summer and cold winter zone is relative to human health and livelihood benefit and therefore a key step towards the target of realizing a well-off society in China. Central heating is merely one form of heating techniques. It is either lack of essential preconditions or impractical to introduce central heating into all over the hot summer and cold winter zone. Heating techniques adopted there should be diversified and adequate to the local conditions. Puts forward some technical measures including improving room air conditioners and building envelope insulation. Proposes high energy-efficient central heating systems such as the energy bus system based on water source heat pump and cogeneration coupled heat pump systems. Points out the method to supply energy, i.e. energy saving, energy transfer and the use of renewable energy.