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Individual system

IWP

Air-water heat pump system

With an air-water heat pump system, your home is heated by the always available outside air. The outdoor part of the heat pump is placed outside your home. It extracts heat from the outside air to heat the home in the winter and provide hot tap water all year round. In the summer, the system extracts heat from the house and discharges it outside. Thus, your home is cooled because the cold water cools the air in your home.

This video of a new-build project in Almere explains how the air-water system works and gives tips:

Air-water heat pump system explained

Air-to-water heat pump system

An LWP system uses outside air energy. The outdoor unit of the heat pump is located on the roof of the house. This outdoor unit extracts heat from the outside air to heat the house in winter and to provide hot tap water all year round. In the summer, the system will be used for active cooling. This means that the heat pump reverses its operation and extracts heat from the house to the outside air via the floor heating system, aka cooling the house.

This video explains how the LWP system works and provides tips:

Water-to-water heat pump system

With a water to water heat pump system, you heat your home with energy from the ground. A soil loop is created in the ground from which water is pumped. The water warms up to the earth and the heat pump further heats the water. Then the warm water enters your underfloor heating system and you can comfortably heat your home during the winter period.

After this, the cooled water flows from your underfloor heating back into the ground and so the process begins again and again.

In the summer, it works the other way around. The cold water is pumped into your home so that it cools down your home.  The water is warmed up on its way through your home and is then discharged back into the ground.