Solar air heating

Solar air heating

Solar air heating can provide air temperatures up to 20-55 ˚C above ambient temperatures. This impressive ability to capture free energy reduces heating costs and reduces carbon emissions. So why don’t we all have one on our house, apartment building, or commercial...

Understanding heating loads in commercial buildings

We recently encountered some head-scratching results in an energy analysis of an existing office building in downtown Ottawa. This is an old building with out-of-date, metal-framed, leaky windows and we wanted to know what would happen if we replaced the old windows...