=== Source Data === {{project:hotornot:ben_hackathon_portal_household_and_activity_data.xlsx|Excel data file}} === Detailed information about source data === {{:project:qsolar.png?200|}} QSolar {{:project:mainheatingtype1.png?200|}} Main heating type1 {{:project:mainheatingtype2.png?200|}} Main heating type2 {{:project:mainheatingtype3.png?200|}} Main heating type3 {{:project:householdtype.png?200|}} Household type