Nature’s colours, airtight construction and luxury envelop this Energy efficient cottage in Muskoka It’s hard to believe that less than a year ago, this ultra-efficient cottage in Muskoka was a vacant plot of dirt. Even harder to believe is that my friend, builder Colin Hunter, built this home from scratch, oftentimes working on his own. Colin and I began working together eight years ago on HGTV Canada’s series, Summer Home, a project that’s still near-and-dear to our hearts. Of course, when Colin asked me to help him decorate his dream home in the country – a home constructed using Passive House building principles – I was on board. Energy Efficient Cottage Uses Passive House building principles What exactly are Passive House building principles? Airtight insulation, top-quality, energy-efficient windows, and concrete floors that keep your home warm in the winter and cool in the summer. Of course, it’s a lot more complex…