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Micro STC

Alfa Laval Micro STC is a Heat Interface Unit (HIU) with an unique tap water & heating solution with modulating supply temperature giving a maximum comfort with a minimum energy usage. Suitable for apartments or one-family houses.

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The Micro STC range supplies hot water to both the tap water & the space heating circuit. The space heating supply can be connected to radiators or to floor heating.

On the primary side the unit can be connected either to district heating or to local heating networks. It has a direct connection of the heating circuit to the primary net and it has a heat exchanger for the production of tap water. 

Micro STC heating system


Micro STC is suitable for apartments or one-family houses.


  • The Alfa Laval “Plug & play solution”: easy to install, easy to maintain
  • Best performance of tap water - Unique tap water control
  • Reduces the use of energy - Integrated insulation
  • Reduces the use of energy - Supports individual measuring of flow and energy
  • Prepared for multi heat source - Lowest possible return temperature

Find everything you need for your HVAC application in Alfa Laval's HVAC handbook.

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