APRIL 2026 the coach-house and 95 per cent of the annual energy cost of the main four-bedroom residence it’s attached to. Furthermore, the coach house’s interior and exterior finishes have a low carbon footprint. For the exterior, MBHE even recycled the red pine that was removed from the lot and created their exterior siding. The roof and the rest of the exterior wall finishes are made of steel – which is not only aesthetically-pleasing, but it will stand the test of time and will eventually be 100 per cent recyclable. The interior elements were also analysed and selected to ensure optimal health, comfort, and durability for the occupants. For example, the home uses epoxy flooring, tongue and groove pine board on the ceiling, and minimal drywall usage. The home also features a dual energy monitoring system, a dual fuel heating system, and a dual zone HVAC. According to Luc, the system was so efficient that the project only had to spend $17 on natural gas all of last winter. “The secret sauce lies in utilizing all the construction science available and making it better,” he explains. Luc goes on to explain that not only is the space “over-insulated” with its R-108.8 non-vented arctic roof, its R-40 walls, and its smart radiant vapourbarrier, but the air handler also recycles the warm air at the ceiling until the outside temperature drops under 10 degrees Celsius. The project also has a slab radiant heat system, but because of the
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