Window performance / Guides

Basement Design for walls prevents mold & midlew when renovating & finishing
Healthy indoor air quality

Basement renovations: How to prevent mold when finishing basements

...performance, we prefer mineral wool or EPS over XPS . XPS has a slightly higher R value per inch, but like SPUF, the blowing agents are exponentially more harmful, about 200 times more than EPS. What else helps prevent mold growing in basements? Ventilation! Another considerable improvement in keeping basements mol...

Thermal image showing where home heat loss is occurring.
Insulation and soundproofing

How insulation works

...window, for example. Cold surfaces absorb more than they radiate, so the net effect is a sensation of cold when you stand in front of a cold surface, even when the air is warm. This effect is especially noticeable with windows of lower quality, and walls that are not well-insulated. CONDUCTION refers to the heat th...

Rendering of the Ecohome demonstration house
Efficient home design

Ecohome Demo House: High performance, affordable cost

...windows on the south facade. Though it's value is not recognized in PHPP software (Passive House Planning Package), significant thermal mass within the building envelope (slab floor) stabilizes indoor temperatures at desired levels, leading to increased comfort and consequently energy savings. 60% of window and doo...