The first 10 Homestar Built-rated house in Christchurch, in the South Island, in fact in the whole country this ground-breaking claim to fame goes to the contemporary two-storey house by Bob Burnett Architecture featured here.
Every factor was addressed to take the house over the history-making, ten-star line. These included energy use, waste disposal, ventilation, health and occupant comfort.
Naturally, with any home design, the right glazing has a huge effect on warmth, comfort and overall energy efficiency. However, when the home in question is this spectacularly rated, the glazing and related elements have to be at the next level', says Mike Stanford, for Metro Performance Glass, the company that supplied the glazing solution for the greener-than-green residence.
"Double glazing has far greater insulating benefits when combined with Argon gas, Low E glass and thermal spacing. We offer all these together with our Low E Xcel unit and that was the ideal solution here," says Stanford.
Argon is a naturally occurring inert gas. By trapping a measured amount of Argon between the panes of glass and sealing it in, the insulating performance of double glazing soars. Because the gas is denser than air, it acts as a much more effective barrier to heat loss and absorption in the home. In fact, argon increases a home's thermal performance by up to 15%.
For its part, Low E glass reflects long wave radiation keeping the heat inside during cold winter days while ensuring the interiors are cool in summer. Thermal breaks add to this, avoiding heat transfer through the build envelope.
"By using our Low E Xcel unit, Bob Burnett was able to achieve the highest possible insulation performance for the double glazing."
NK Windows supplied the exterior uPVC window and door joinery to frame the glazing, says director of NK Windows Martin Ball.
"Our brief from the architect was to provide a high performance thermally efficient window and door solution, that would accommodate the high spec glass. We had to take particular care with the low-threshold sills on the main doors."