Ground source heat pumps
Ground source heat pumps

Ground source heat pumps

Find a reseller

Powerful ground source heat pumps that make a difference


With a ground source heat pump from CTC, you can save up to 85 % on your heating costs. A ground source heat pump utilises solar energy stored in rocks, the ground, and in lakes. The energy utilised is free and eco-friendly, and contributes to a reduction of CO₂ emissions.

To reach this energy resource, a liquid-filled collector hose is laid in the bedrock, the ground or in lakes. A hole measuring 100-200 metres is drilled into the bedrock, while a 200-500 metre long hose is laid in the ground and in lakes. The circulating liquid in the hose is heated by the stored solar energy. The liquid passes through the heat pump where a compressor raises the temperature by means of a refrigerant and a heat exchanger in a closed system. The heat pump then distributes the heat to the building's heating system.
Eco-friendly and renewable: A ground source heat pump utilises solar energy stored in rocks, the ground, and in lakes. The energy utilised is free and eco-friendly, and contributes to a reduction of CO₂ emissions.
Economical and reliable: With a ground source heat pump from CTC, you can save up to 85 % on your heating costs. You save money from the first day and the heat pump increases the value of your house.
Convenient and flexible: A heat pump from CTC largely takes care of itself and, thanks to EnergyFlex, pools and other heat sources (such as solar heating) can easily be added.
Made in Sweden - Development and manufacture take place in our factory in Småland, where consideration for quality and innovation go hand in hand.
You always get EnergyFlex when you invest in a heat pump from CTC! EnergyFlex means that your CTC heat pump is prepared from the start to easily supplement with virtually everything there is for heating.
myUplink - a mobile app that allows you to easily monitor and change settings in your heating system. Download the app for free on the App Store or Google Play.

Our Ground source heat pumps

CTC EcoPart i600M

A ground source heat pump for those who have low ceilings where the pump will be located. Or if you need a lot of hot water for hot tubs or long and frequent showers. EcoPart i600M does not have a hot water tank, which can be an advantage if you want to invest in a large hot water tank next to the pump instead. Read more about our storage tanks!
CTC EcoPart i600M

CTC GSi 600

Our most efficient ground source heat pump that adapts the heat to your home and produces new hot water as your consumption increases! With its user-friendly and clear touch display, it is easy to control. You can also connect the pump to your mobile phone so that you can, for example, tap into extra energy when the price of electricity is at its lowest.
CTC GSi 600

CTC GS 600

A slightly simpler ground source heat pump for villas and terraced houses. GS 600 is not speed-controlled, but still robust and reliable. Supplement with an electric heater that kicks in on really cold days. Connect the pump to your mobile phone for smart electricity price control.
CTC GS 600

CTC EcoHeat 400

This is the ground source heat pump for those who place high demands on comfort and want an even indoor temperature. EcoHeat 400 is completely silent. Suitable for households with slightly lower hot water requirements. Produces fresh hot water in step with your use, which means that the hot water never stands still and gets old.
CTC EcoHeat 400

CTC EcoPart 600M

Compact pump for geothermal, marine or ground source heat suitable for low ceilings where the heat pump will be located. Or if you want to connect the pump to a wood burner or other units. EcoPart has neither hot water preparation nor built-in control, which makes it easy to simply replace the geothermal heat pump.
CTC EcoPart 600M

CTC EcoPart 400

A simple geothermal heat pump without hot water preparation or built-in control, suitable for a villa or small industrial property. The pump is available in six sizes. It is not speed-controlled, but is switched on and off. Robust and compact, it is perfect where a conventional heat pump is too high.
CTC EcoPart 400

CTC EcoPart 400 Pro/Basic

A staged ground source heat pump for industries and larger properties with built-in control and separate hot water preparation. Available as Basic and Pro. Pro can control heating, cooling, hot water and climate systems. The pump is available in three sizes and can run alone or be connected with up to five units.
CTC EcoPart 400 Pro/Basic

How much you save with a heat pump!