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Solutions for small houses

Key features of Unis district heating substations


Our substations are designed to maximize energy efficiency, helping you save on heating costs.


With Unis, you can count on a reliable heating and hot water supply throughout the year, regardless of weather conditions.

Hundreds of HVAC professionals across the Nordics choose Unis as their preferred district heating substation.


We offer a range of substation sizes and configurations to suit the specific needs of your house, ensuring optimal performance and comfort.

Depending on your property’s needs, Unis substation can produce space heating and domestic hot water up to three separate circuits.

Nordic design & craftsmanship

All Unis district heating substations are designed and manufactured in Finland by professionals with decades of experience.

Modern district heating substation being manufactured

What is a district heating substation?

A district heating substation is a vital component of a district heating system. It serves as the interface between the larger district heating network and individual buildings, ensuring that each home receives the right amount of heating energy.

Benefits of choosing a Unis district heating substation


Unis substations are equipped with energy-efficient components, such as circulation pumps, that help keep your heating costs at a minimum.


Unis substations are equipped with stainless steel piping and high-quality components to ensure hassle-free heating throughout the product’s lifecycle. All Unis products are covered with a warranty*

* Warranty terms may vary between countries. Check your local warranty terms from a Unis retailer or HögforsGST’s representative near you.


Fast delivery times, quick installation, and good serviceability make Unis substations a great choice for HVAC professionals and homeowners who want a smooth process from project design to installation and operation.

Our most popular substation for small houses

Unis 100-2RF substation

The Unis 100-2RF is a perfect fit for connecting radiator and underfloor heated houses to district heating. The Unis 100-2RF is compact, lightweight and ergonomically designed. Unis 100-2RF includes two control circuits: one for domestic hot water and another for hot water required by the heating network.

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Getting started

To learn more about Unis district heating substations or to request a consultation for your house, please contact your local HVAC installation business. Our sales team will also be happy to assist you and provide personalized recommendations based on your heating needs.