# Energy Efficiency - I Do Not Think That Word Means What You Think It Does

Page: https://stenobird.com/podcast/the-build-show-podcast-2136317/energy-efficiency-i-do-not-think-that-word-means-what-you-think-it-does
Text version: https://stenobird.com/podcast/the-build-show-podcast-2136317/energy-efficiency-i-do-not-think-that-word-means-what-you-think-it-does.md
Podcast: [The Build Show Podcast](https://stenobird.com/podcast/the-build-show-podcast-2136317)
Published: 2026-05-08T12:00:00+00:00
Episode link: https://podcast.buildshownetwork.com/episodes/energy-efficiency-i-do-not-think-that-word-means-what-you-think-it-does-nUn1WO_m
Audio file: https://cdn.simplecast.com/media/audio/transcoded/8bfe438f-28c9-422f-9b87-6747f8f6649a/335603d5-8e74-4954-b65f-4ac63cbea4bd/episodes/audio/group/0cedf2a1-8459-4d25-b698-f97b5c049636/group-item/7fccdefb-f6bb-4fcf-8663-12170af8e386/128_default_tc.mp3?aid=rss_feed&feed=r8Kvg4Yt
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JSON: https://stenobird.com/v1/public/podcasts/the-build-show-podcast-2136317/episodes/energy-efficiency-i-do-not-think-that-word-means-what-you-think-it-does
Duration seconds: 2080

## Resource

Matt Risinger sits down with Kristof Irwin of Positive Energy to discuss how mechanical systems, enclosure design, and building science work together in high-performance homes. Irwin explains how HVAC design impacts comfort, humidity control, indoor air quality, and long-term durability, especially in challenging climates. The conversation explores right-sizing equipment, balancing ventilation with airtight construction, and using data-driven testing to verify performance. They also touch on homeowner expectations, evolving energy standards, and the importance of integrating architects, builders, and mechanical designers early in the process.

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## Transcript

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