RRCL was the building envelope consultant on this deep-energy retrofit in the east end of Toronto back in 2009/2010. We were in the neighbourhood and stopped by; this is what we saw. Although all the porch roofs still have snow on them (since it’s cold on both sides), only the super-insulated roof on our project still has snow (the one on the far right!)

Contact RRCL for all your building enclosure needs, and yes, we occasionally due single family residential as well!