Bosch Greensource CDi Series SM Split Model Geothermal Heat Pump Review

Bosch-Greensource-SM-splitYou’ve decided you want to invest in a high efficiency geothermal heat pump for your home, but you don’t know which model you need to use. Let’s take a look at the Bosch Greensource CDi Series SM Split Model Geothermal Heat Pump, so you can decide if it’s the right geosource unit for your home.


  • Like many geothermal heat pumps, the Greensource CDi will help you reduce annual utility expenses, can qualify you for certain US government tax credits, sports substantial warranty protection.

  • The system is a split model, so it’s versatile and compact. It can be installed in a variety of locations that a more conventional geothermal heat pump would be too large to operate.

  • The 2-stage scroll compressor extends system operating life while increasing operating energy efficiency. Meanwhile, the SM Split Model is insulated for quiet operation, and available in both indoor and outdoor models.


  • The Bosch Greensource CDi Series SM Split Model Geothermal Heat Pump is energy efficient, but you pay for that efficiency. Still, the SM Split Model is not priced unusually for a geosource system.

  • The SM Split Model is much more versatile when it comes to installation than some other geothermal heat pumps, but it still will need an open or closed ground loop to operate. If soil or water conditions in your area are unsuitable for geosource operation, the SM Split Model may not be for you.

Bottom Line

If you have space issues inside the home, a compact and versatile geothermal heat pump like this one from Bosch may be what you’re looking for. However, if you have plenty of space, you should opt for a more conventional geothermal system. The latter will be easier to maintain and operates just as efficiently as the SM Split Model.

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