
146 - A Deep Dive on Windows: Glass, Performance & Condensation
From UnBuild It Podcast by Unbuild It Podcast
December 18, 2025 · 36 min · Season 1 · Episode 146
About this episode
The episode explores the complexities of window and glass selection for high-performance homes, discussing various types of insulated glazing and their implications for performance and condensation.
Windows are one of the most confusing—and consequential—components of a high-performance home. In this episode, the crew takes a deep dive into window and glass selection, aiming to make things clear without letting your eyes glaze over. The discussion covers dual-pane versus triple-pane insulated glazing units, IGU numbering conventions, and the relatively new i89 coating—including what it means for thermal performance and condensation risk. They also unpack the difference between center-of-...
People in this episode
Host: UnBuild It Podcast
Topics covered
- window selection
- glass performance
- condensation
- high-performance homes
- insulated glazing
Keywords
- windows
- glass
- performance
- condensation
- insulated glazing
- i89 coating
- dual-pane
- triple-pane
Mentioned in this episode
Products: dual-pane, triple-pane, insulated glazing units, IGU, i89 coating, thermal performance, condensation risk
More episodes of UnBuild It Podcast
- 157 - Four Building Science Puzzles: Expansive Soils, Radiant Barriers & More · June 4, 2026 · 32 min
- 156 - Building Standards vs Better Buildings? · May 21, 2026 · 34 min
- 155 - ZIP-R on the Roof? Structural, Hygrothermal & Durability Tradeoffs · May 7, 2026 · 32 min
- 154 - Wildfire Zone Rainscreens & Smarter ZIP Sheathing Use · April 16, 2026 · 31 min
- 153 - Wall Details That Actually Work: Water, Air & Rainscreens · April 2, 2026 · 32 min
- 152 - Thermal & Structural Loads: Insulation, Wood, and Concrete · March 19, 2026 · 40 min
Explore listener stats, chart rankings, contacts and more on the UnBuild It Podcast podcast page.