energiatehokkaan
Energiatehokkaan is a Finnish adjective meaning energy-efficient. It describes something that uses less energy to perform a given function compared with a reference level. The form energiatehokkaan is a inflected form used when modifying a noun, for example energiatehokkaan rakennuksen (an energy-efficient building) or energiatehokkaan laitteen (an energy-efficient device). The related noun energiatehokkuus refers to the quality or state of being energy-efficient.
In practice, energiatehokkaan characteristics are sought in buildings, appliances, vehicles and industrial processes. In Finland and
Common approaches to achieving energiatehokkaan performance include enhanced insulation and airtight construction, efficient heating and cooling