Suomen Lämpöpumppuyhdistys SULPU ry is the Finnish association of heat pump professionals and businesses.
According to PR-model, sulpu.fi is ranked 836,428th in multilingual Wikipedia, in particular this website is ranked 8,881st in Finnish Wikipedia.
The website is placed before palmettobusinessdaily.com and after ordinaryphilosophy.com in the BestRef global ranking of the most important sources of Wikipedia.
