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ENERGY EFFICIENCY means environmental responsibility and economic value to us.

Heating of buildings consumes 25% of all energy in Finland. The most common heating method in Finland is district heating, so improving its energy efficiency positively impacts the energy efficiency of the entire country.

The value of the European district heating market is approximately 130 billion euros, with significant development potential.

Return heat from district heating provides a fast, easy, and cost-effective way to improve the energy efficiency of district heating.

IOTOI OY helps district heating companies and property owners utilize return heat from district heating to improve energy efficiency.

Each new PIP3 project is a step towards a cleaner and sustainably profitable tomorrow.


Iotoi's PIP3 triple-pipe system is a proven method for


1) Utilizing return heat from district heating for building heating, as well as

2) Utilizing the return pipe as a distribution channel for waste heat.

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The PIP3 survey is a quick way to assess the potential of emissions-free district heating.


The results of Iotoi's R&D project completed in December 2023 support the PIP3 solution both in theory and in practical measurement results.


IOTOI OY is an expert company that combines extensive expertise in technical innovations, challenging project management, and various forms of societal financing.

Our business is based on synergy: Collaboration benefits all parties involved, and the result is more than the sum of its parts, rather than a zero-sum game.

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