The analysis of a new generation of air source heatpump unit is introduced, it elaborates the characteristics of the unit.Combined with the energy control system, it discusses the air sourceheat pump heating to replace coal.fired heating station transforma.tion and breakthrough points for residential area, designs configura.tion and operation scheme.And combined with the engineering ex.ample, analysis and calculation is done.At the same time, environ.mental factors of climate, the occupancy rate and other important fac.tors are analyzed.The application of air source heat pump unit toresidential area heating project provides a detailed and sufficientpractical and theoretical basis.