The heat-pump heating system investment is upper, but the run fare is lower, so it is a energy saving technology being popularized apply for using microtherm heat source in oilfield.

• 热泵供暖技术系统的工程投资较高,运行费用较低,是一种节能的供暖技术,因为能应用油田丰富的低温热源而被逐渐推广应用。