Existing Whole-House Solutions Case Study: Retrofitting a 1960s Split-Level Cold-Climate Home
National programs such as Home Performance with ENERGY STAR® and numerous other utility air sealing programs have brought awareness to homeowners of the benefits of energy efficiency retrofits. Yet, these programs tend to focus on the low-hanging fruit: air-sealing the thermal envelope and ductwork where accessible, switch to efficient lighting, and low-flow fixtures. At the other end of the spectrum, deep-energy retrofit programs are also being encouraged by various utilities across the country. While deep energy retrofits typically seek 50% energy savings, they are often quite costly and most applicable to gut-rehab projects. A significant potential for lowering energy usage in existing homes lies between the low hanging fruit and deep energy retrofit approaches - retrofits that save approximately 30% in energy over the existing conditions.
- Publication Date:
- OSTI Identifier:
- Report Number(s):
- Research Org:
- Consortium for Advanced Residential Buildings
- Sponsoring Org:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Building Technologies Office (EE-5B) (Building America)
- Country of Publication:
- United States
- CARB; Consortium for Advanced Residential Buildings; SWA; Steven Winter Associates; Residential; Residential Buildings; Building America; Retrofit; 1960 split level; Cold climate; Non-intrusive; 30% energy savings; Utility bill validation; Dense-packed cellulose; Closed-cell spray polyurethane foam; Insulating from exterior; Air barrier; Moisture control layers; Thermal barrier; Improved comfort
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