Blogs- Page 27 of 598
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Hot Water System Retrofit
A DIY engineered hot water system uses a hybrid water heater in heat pump–only mode with a high-efficiency boiler and indirect heater
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Progress Report: How States are Kicking Gas
NRDC tracks the progress of six states that are striving to equitably wind down investment into the fossil gas system
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Variation on the Bonfiglioli Wall
Is this system the best choice to reduce thermal bridging?
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Sizing a Heat Pump System for Cooling
Remember this rule of thumb: 5 tons is never the answer
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Continuous Insulation, Part 2
An overview of the products most commonly used for exterior insulation and considerations for detailing this type of wall assembly
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Holiday Special with Joe Lstiburek
"Dr. Joe" gives the ghosts of Christmas past, present, and future a building science slant
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Small Projects Aim to Change the Market
A Pennsylvania couple pursue Living Building Challenge certification for their home and become advocates for more manufacturers to seek Declare labels
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Flexible Home Design for a Lifetime of Change
The FlexPlex housing prototype demonstrates one solution to the affordable housing problem that disrupts the single-family-home model
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Concrete-Free Slab
The “slabless slab” omits the concrete of conventional foundation systems like basements and slabs on grade
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Open-Loop vs. Closed-Loop Ground Source Heat Pumps
Some basics on the two types of GSHP systems and cautionary advice against a side-by-side comparison
