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Jäspi has been heating homes since 1949

Kaukora Oy is one of the leading HVAC equipment manufacturers in Finland. Nearly 2 million heating devices have been manufactured under the Jäspi and Jämä brands for more than 60 years. Finland’s most popular domestic hot water heater, Jäspi VLM 300, is installed in every other detached house. Products manufactured at the Raisio and Turku mills have been awarded the Avainlippu symbol, which indicates domestic production.

What is the best heating system for a detached house? There is no single right answer to this question, but the best solution can be found individually for each item. We strive to listen to the heating wishes of homeowners and be a reliable partner.

Heat pumps

Ground source heat pump vs. air-to-water heat pump. Which is better for your house?

Thermal storage tanks

Thermal storage tanks to suit every house and property.

Electric boilers

Electric heating from small to large property.

Water heaters

Did you know that the Jäspi water heater can be easily connected directly to the socket?

Related articles

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With geothermal heat, costs are controlled and bills are predictable

A geothermal heat pump was chosen for the detached house in Naantali due to the predictability of heating costs and the sufficiency of hot domestic water. Mirka Aittola and...

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Air-to-water heat pump to get rid of direct electric heating

Replacing electric heating with an air-to-water heat pump brings clear savings in energy costs When direct electric heating is replaced by an air-to-water heat pump, a large...

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Air-to-water heat pump: the whole package or alongside the old heating?

The air-to-water heat pump has become a great favorite of Finns. The device is efficient, inexpensive and quick to install, and it reliably takes care of both the heating of the...

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Energy-efficient and ecological geothermal won the pound of heating systems

The Turku-based family chose a modern ground source heat pump for their detached house, which always runs at optimum efficiency. This helps to save electricity and prolongs the...

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How to recover energy euros and turn the electricity bill tolerable

In the Vahanti family, an aged oil heating system was replaced with an air-to-water heat pump and radiators for circulating underfloor heating. The balance is almost 1,500 euros...

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The Laaksonen family exchanged oil for geothermal energy

In Ihala, Raisio is a beautiful oil-heated detached house completed in 1991, where the five-person Laaksonen family lives. However, the oil boiler was already coming to an end, so...

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Blog

  • With geothermal heat, costs are controlled and bills are predictable
  • Support options for changing the heating system
  • Should your family also take part in climate talks
  • The air-to-water heat pump upgraded the house to a new condition
  • The Laaksonen family exchanged oil for geothermal energy

Contact info

Kaukora Oy
Tuotekatu 11, 21200 Raisio, FINLAND
www.jaspi.fi/en
kaukora@kaukora.fi
phone +358 2 4374 600
Switch mon-fri 8-16

Tietosuojaseloste Evästeet
© 2025 - Kaukora Oy
  • Front page
  • Heating
    • Domestic water heating
    • Heat pump heating
    • Air-to-water heat pumps
    • Ground source heat pumps
    • Electric heating
    • Solar heating
    • Wood heating
    • Bio oil heating
    • District heating
  • Products
    • Air-to-water heat pumps
    • Ground source heat pumps
    • Water heaters
    • Electric boilers
    • Solar heaters
    • Pellet boilers
    • Larger properties
  • References
  • Kaukora
    • Contact
    • Service