Sustai­nable Passive Plus houses with Bio Dist­rict heating, lear­nings from a case study in Tarm, Denmark.

By Søren Dietz 

In Denmark 2/3 of buil­ding heat is Dist­rict heating. The poli­ti­cal aim is to reduce CO2emissions by 70% in 2030 with 1990 as refe­rence. Buil­dings make up for 40% of the CO2 emis­sions – so redu­cing green house gas from buil­ding play a major role.

Green­house gas reduc­tion may come from both saving energy and trans­for­ming the energy sector to non fossil. Biomass resources are not local grown. 2/3 of wood Biomass for Dist­rict Heating is imported from Russia and the Baltic countries.

How can Denmark achieve climate goals, in a sustai­nable way, with Bio Dist­rict heating with less Biomass – is more buil­ding insu­la­tion the answer?