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Existing Whole-house Solutions Case Study: Retrofitting A 1960s Split-level Cold-climate Home.
| 题名： | Existing Whole-house Solutions Case Study: Retrofitting A 1960s Split-level Cold-climate Home. |
| 作者： | Puttagunta, S. |
| 关键词： | CARB, Consortium for Advanced Residential Buildings, SWA, Steven Winter Associates, Residential, Residential Buildings, Building America, Retrofit, 60 split level, Cold climate, Non-intrusive, % 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 |
| 摘要： | 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. |
| 报告类型： | 科技报告 |
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