179: The Hidden Health Costs of Energy-Efficient Windows

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You've upgraded your light bulbs. You get outside when you can. You've done the work. But if your windows were installed in the last 25 years, they're quietly stripping out the very wavelengths your biology runs on — and the fix is simpler than you think.

Guest Bio

Joe Menchefski is a chemical engineer with an MBA in Marketing whose career has been shaped by one question: how do we build spaces that actually support the people inside them? His introduction to the glazing industry came in 1996, managing polycarbonate and acrylic sheet extrusion operations, and he has worked with Advanced Glazings for 18 years. An experienced marketing and sales professional and entrepreneur, Joe is also the host of Better Buildings for Humans, a YouTube channel featuring conversations with the world's leading researchers on daylighting, views, indoor environmental quality, and sustainability.

Timestamps

• 00:00 Why Sunlight Matters for Health
• 00:24 Recording Setup Near Windows
• 02:13 Listener Question on Quantum Biology
• 04:56 Sponsor Mention
• 05:08 Meet Joe Mancheski
• 05:25 Natural Light in Buildings
• 08:07 Glare and Thermal Comfort
• 15:24 Circadian Lighting Workarounds
• 16:38 Advanced Glazing and Diffusers
• 17:14 Low-E Glass and Light Loss
• 19:53 Light Exposure and Myopia Risk
• 25:32 Full-Spectrum Window Technology
• 27:15 Aerogel Explained
• 32:24 The Shift Toward Healthier Buildings
• 33:32 Retrofitting Windows Costs
• 34:41 Which Windows to Replace First
• 37:34 Honeycomb Shades and Heat Control
• 38:25 Aerogel Insulation Breakthrough
• 39:20 Diffused Full-Spectrum Light Indoors
• 39:46 Ordering Options for Homeowners
• 40:11 Low-E Tradeoffs
• 43:49 Next-Gen Glass Technology
• 47:04 Simple Window Improvement Hacks
• 49:22 Building Codes and Health Standards
• 51:46 Responsibility for Healthy Buildings
• 56:08 Sunlight as a Human Right
• 58:50 Schools, Recess, and Sunlight
• 01:04:51 Wrap-Up and Resources

Connect with Guest

Website: https://bbfhpod.advancedglazings.com/

Socials:

• https://www.linkedin.com/in/joe-menchefski-b-eng-mba-4b42617/
• https://www.linkedin.com/company/better-buildings-for-humans-podcast
• http://instagram.com/bbfhpod

Resources Mentioned

• Advanced Glazings — advancedglazings.com
• Better Buildings for Humans (Joe's YouTube channel) — search on YouTube
• Dr. Glen Jeffery — University College London; research on infrared light and health
• Scott Zimmerman — researcher on light spectrum and biological health

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