What you need to know about TEWI and heat pumps

Heating and cooling of buildings account for roughly a third of the European Union’s total energy consumption, and nearly three quarters of the heating still comes from fossil fuels. In other words, to fulfil the EU’s target of zero impact on emissions from the building stock by 2050, it is clear that we need to switch to more sustainable technology. But how can we compare different technologies to make the most informed and sustainable choices? Here the concept of TEWI is very helpful, as a comparison of different products’ environmental impact.