136 E. HEISKANEN ET AL.
Statistics Finland. (2019). Buildings by area, year of construction, information and intended use of building. online: http://pxnet2.stat.fi/PXWeb/
pxweb/en/StatFin/StatFin__asu__rakke/statfin_rakke_pxt_116g.px/table/
tableViewLayout2/?rxid=74aac6df-fd8a-48da-86d6-ed04e7fbc49f.
SULPU. (2019, January 15). Lämpöpumppumyynti ponnahti 22% - Investoinnit
yli puoli miljardia [Heat pump sales increased by 22%—Investments more
than half a billion]. News release by SULPU, Finnish Heat Pump Association.
online: https://www.sulpu.fi/uutiset/-/asset_publisher/WD1ExS3CMra3/
content/lampopumppumyynti-ponnahti-22-investoinnit-yli-puoli-miljardia?.
Open Access This chapter is licensed under the terms of the Creative Commons
Attribution 4.0 International License (http://creativecommons.org/licenses/
by/4.0/), which permits use, sharing, adaptation, distribution and reproduction
in any medium or format, as long as you give appropriate credit to the original
author(s) and the source, provide a link to the Creative Commons license and
indicate if changes were made.
The images or other third party material in this chapter are included in the
chapter’s Creative Commons license, unless indicated otherwise in a credit line
to the material. If material is not included in the chapter’s Creative Commons
license and your intended use is not permitted by statutory regulation or exceeds
the permitted use, you will need to obtain permission directly from the copyright
holder.
Statistics Finland. (2019). Buildings by area, year of construction, information and intended use of building. online: http://pxnet2.stat.fi/PXWeb/
pxweb/en/StatFin/StatFin__asu__rakke/statfin_rakke_pxt_116g.px/table/
tableViewLayout2/?rxid=74aac6df-fd8a-48da-86d6-ed04e7fbc49f.
SULPU. (2019, January 15). Lämpöpumppumyynti ponnahti 22% - Investoinnit
yli puoli miljardia [Heat pump sales increased by 22%—Investments more
than half a billion]. News release by SULPU, Finnish Heat Pump Association.
online: https://www.sulpu.fi/uutiset/-/asset_publisher/WD1ExS3CMra3/
content/lampopumppumyynti-ponnahti-22-investoinnit-yli-puoli-miljardia?.
Open Access This chapter is licensed under the terms of the Creative Commons
Attribution 4.0 International License (http://creativecommons.org/licenses/
by/4.0/), which permits use, sharing, adaptation, distribution and reproduction
in any medium or format, as long as you give appropriate credit to the original
author(s) and the source, provide a link to the Creative Commons license and
indicate if changes were made.
The images or other third party material in this chapter are included in the
chapter’s Creative Commons license, unless indicated otherwise in a credit line
to the material. If material is not included in the chapter’s Creative Commons
license and your intended use is not permitted by statutory regulation or exceeds
the permitted use, you will need to obtain permission directly from the copyright
holder.