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Learn what building science is and how heat, air, and moisture affect home performance, comfort, energy efficiency, and long‑term durability.

Discover 10 easy ways to save money and energy in your home, from sealing air leaks to improving insulation, upgrading lighting, and maintaining HVAC systems.

Learn about basement walkouts and what you need to know, including drainage, grading, retaining walls, and maintenance tips to help prevent leaks and water damage.

Learn about asbestos and where it may be found in older homes, including insulation, flooring, ceilings, roofing, and other materials, and how to reduce exposure safely.

What is carbon monoxide (CO)? Carbon monoxide is a colourless, odorless gas. It is a by-product of incomplete combustion, such as natural gas, liquid fuels, and anything that burns.

Learn why gutters and downspouts matter, how clogs and poor drainage cause moisture problems, and what maintenance steps help protect your home from water damage.

Learn what inspectors look for when inspecting a residential structure, including foundations, framing, roofs, walls, and floors, and how these systems affect safety.

Learn about lead and where it may be lurking in older homes, including paint, dust, soil, plumbing, and imported goods, and how to reduce exposure safely.

Learn how moisture gets into your home through air currents, diffusion, and heat transfer, and how proper sealing, insulation, and ventilation help prevent intrusion.

Radon gas, what is it? Radon is a gas that occurs naturally in the earth’s crust.It is invisible, it is odourless, and it is tasteless. Radon gas is a product ofthe decay of uranium. When uranium decays, it turns into lead. This is a 14-step process; radon is formed at the sixth step.