Genesis 32 boiler | Modutherm

Alterra SW

The Alterra SW heat pump is available in 10 models with an output range of 4.7 - 29.6kW.

Key features
  • Energy-efficient/low running costs

  • Heating and domestic hot water preparation with additional heat pump cylinder

  • Simple and user-friendly control using the alpha app

  • Flexible heating system for all property types

  • Made in Germany to high manufacturing standards

  • Solar PV system compatibility


The SW range of brine/water heat pumps from alpha Innotec are one of the most flexible on the market, making installation quick and simple. Both models deliver environmentally friendly heating and highly efficient domestic hot water, providing comfort all year round. They can also be combined with alternative energy supplies, such as solar PV, allowing them to quickly and efficiently adapt to a range of environments and system requirements. 

To complement the high quality technology inside the heat pumps, they boast an elegant and modern design, as well as incredibly low operating sound levels – making them suitable for a wide range of rooms within a property.

installers guides
Heat pump calculator

To assist with your sizing and selection, use the calculator below.