Cold and heat source type and serial number

1

2

3

4

Ground source heat pump

coal-fired boiler + Water chilling unit

Gas boiler + Water chilling unit

oil boiler + Water chilling unit

Cold and hot water unit (yuan/kW cooling)

680 - 1000

560 - 800

560 - 800

560 - 800

Boiler (yuan/kW heating)

No

400 - 520

400 - 620

560 - 650

Cooling tower (yuan/kW cooling)

40 - 60

Drill hole and bury pipe (yuan/kW)

1200 - 2000

No

Water pump, pipeline, controlling, etc. of engine room

Basically the same (20 - 40 yuan/m2)

Air conditioner terminal of the building

Basically the same (100 - 180 yuan/m2)

The initial comparison of budgetary estimate (Heating index 75 W/m2)