Podcast: Building Performance 101: The Science of Comfortable Homes

In episode 19 of the Build Your Legacy podcast, Sam and Wayne sit down with Greg O’Beirne from Gold Star Building Performance to unpack why so many new homes look good on paper but fail to perform once someone actually lives in them.

Greg breaks down what energy efficient design really means, why chasing a high NatHERS star rating isn’t the same as building a comfortable home, and how performance solutions offer an alternative path to compliance. He explains which design decisions have the biggest impact on thermal comfort, where most air leakage actually happens in a modern home, and what a blower door test is designed to catch. Sam, Wayne, and Greg also tackle a problem almost every homeowner has faced, condensation on windows and in bathrooms, and the heating and ventilation habits that actually fix it.

The conversation closes on the mistakes made at the design stage that are cheap to avoid but costly to correct later, and the questions clients should be asking their builder and designer before locking in a floor plan.

If you’re planning a build or want a home that performs as well as it looks on the plans, this episode is packed with practical insight into the building science behind real comfort.