From The Build Show.
In Episode 3 of That ’70s Remodel Stephanie showcases a comprehensive energy efficiency renovation of a 1969 vacation home in Sandy, Utah. The house had severe performance issues, including excessive air leakage (7.2 air changes per hour) and inadequate insulation (only 70% of walls properly insulated).
The renovation used a dual insulation approach: 3-3.5 inches of closed cell spray foam inside wall cavities combined with continuous R6 exterior insulation panels. This strategy was designed for an exterior-only remodel and provided excellent air sealing, moisture protection, and thermal performance while potentially strengthening the aging structure.
Additional improvements included a complete HVAC system replacement with modern equipment and air recovery ventilation to handle the now-tighter building envelope. The project demonstrates how strategic upgrades can dramatically improve energy efficiency, comfort, and structural integrity in older homes while keeping costs under $200,000, serving as a model for sustainable renovation practices.
Thank you to our episode sponsor Huber. Learn more at: https://www.huberwood.com
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Huge thanks to our Show sponsors Builders FirstSource, Huber, Pella & Viewrail for helping to make these videos possible! These are all trusted companies that Matt has worked with for years and trusts their products in the homes he builds. We would highly encourage you to check out their websites for more info.
https://www.bldr.com
http://www.Huberwood.com
https://www.pella.com
https://www.Viewrail.com
