The focus on building Accessory Dwelling Units (ADUs) in Canada continues to grow, with municipalities and governments across the country pushing for additional housing solutions. There’s certainly a logical argument for building more ADUs, as they’re both practical and can be more financially accessible.

Because of their typical size, ADUs also come with a series of challenges: how can they be efficiently heated and cooled; how can we accommodate the required mechanicals and distribution systems; and how do we make the most out of a limited space that will ultimately provide a comfortable experience for those living inside?

Design-wise, builders are being forced to pivot significantly with ADUs, simply because of the limited square footage available. For example, with a 3,000 square-foot single-family house, you have walls, you have floor joists, and you have space. Logistically, ADUs are a different beast, requiring us to rethink how we have been building and look for new approaches and, perhaps most importantly, strong communication with all involved, including the builder, designers, and municipalities.

But as with most building science and design challenges, there is an answer. It just takes a bit more planning and a few additional discussions about what’s available, suitable, and will best fit homebuilder/homeowner goals.

Looking to optimize your service offering with ADUs or infill units? Let BKC help you navigate the path from concept to construction.

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By Tracy Archer, Manager, HVAC Design Services Team