Uncertainty and instrumentation guidelines progress at condensed 5th Annex 52 expert’s electronic meeting in March

Due to the pandemic new corona virus outbreak this year, the 5th international experts’ meeting of IEA HPT Annex 52, titled Long-term measurements of GSHP system performance in commercial, institutional and multi-family buildings, had to be held as a short electronic meeting instead of the planned two-days physical meeting in Germany. The two hours electronic meeting on March 20th gathered 21 experts from six countries.