Passive Solar Windows Cost

That s quite a lot of money but the returns on that extra investment can be astronomical.

Passive solar windows cost.

Passive house window options. Perhaps a better perspective on passive house cost is to view passive house design as an opportunity for a return on that investment over time. Zola created the first passive house window znc to be certified by both phius and phi and has led the north american high performance window industry since the inception of the passive house movement here. Zola has supplied more us passive house projects than any other window manufacturer.

By decreasing the windows on the non south sides of the home we can stay balanced in costs and can decrease year round thermal losses while increasing needed solar gain. To really dig deep into solar windows costs let s take a look at sharp s offering which we actually have some cost info for. The loewen double pane window is a 20 savings 9 600 but it performs less than half as well so it doesn t seem worth the savings. One of the ways that passive solar design can add zero extra upfront costs is by refining the window sizes and placement.

The share of the home s heating load that the passive solar design can meet is called the passive solar fraction and depends on the area of glazing and the amount of thermal mass. Certified passive house buildings now account for 2 million square feet of building space in north america representing a threefold increase over 2015 according to a study by the pembina. 5 factors of passive house cost to consider. Zola has supplied more us passive house projects than any other window manufacturer.

When sharp introduced their solar windows back in 2013 they estimated the cost to be around 2 000 per square meter equal to about 11 square feet. On a home costing 250 000 to build that means at most 7 500 extra. While passive house cost premium estimates from experienced builders vary from 7 15 it is debatable whether this is actually a premium. Research shows that including passive solar options increases the cost of a new build by between 0 and 3.

In simple terms a passive solar home collects heat as the sun shines through south facing windows and retains it in materials that store heat known as thermal mass. A passive solar home collects heat as the sun shines through south facing windows and retains it in materials that store heat known as thermal mass. You might be thinking wow that seems like a lot of money. Well designed passive solar homes also provide daylight all year and comfort during the cooling season through carefully designed overhangs and reflective coatings on windows exterior walls and.