News & Articles

Summary The Passive House Planning Package (PHPP) requires that energy losses from Domestic Hot Water (DHW) Storage tanks be entered as Watts per degree Kelvin (W/K) rather than the more...

Summary Several Heat Recovery Ventilation (HRV) systems available have HRV performance data for the Passive House Planning Package (PHPP) but do not have Energy Recovery Ventilation (ERV) performance data. Knowing...

PH certification criteria requires that a minimum surface temperature be achieved. Steps: 1. Determine the exterior temperature to use – call this the Hygiene External Temperature. This temperature can be...

I met Dr Pierse at University of Otago’s Public Health Summer School on the day of the release of the World Health Organisation’s International Housing & Health Guidelines (25 February...

“We watched how they made plans and decisions and accessed information relative to what was happening to see if they could be strategic in their thinking and we found really...

This is one way to save a considerable fraction of build costs if it is done at scale. Of course, I’d argue for putting those savings into a better building...