Russlestown (Nzeb or even passive Standard)
Although this property was issued an A3 Rating it actually performs at a Passive house standard. The owners have occupied the house for a full year and we are able to show all of the Heating and hot water costs to date.
We have considered the rules and formula's applied by the current BER that gave this property A3 rated. Heating season duration, target room temperatures, hot water usage per person applied from M2 of building and outside average temperatures.
Image 1 shows the total years house heating consumption as 822KW's or (€125@15cent per KW) We design the heating system to control all rooms separately each having their own thermostat. The homeowners target room temperatures for this property were 20 Deg to all areas except their living area this they preferred at 22 Deg (BER assessments are standardise to 18 all rooms and 21 living area)
Image 2 shows the hot water heating consumption to be 472KW's or (€70@15cent per WK) This household fits the water usage criteria set out in the BER methodology