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Greenhouse gas mitigation benefits and cost-effectiveness of weatherization treatments for low-income, American, urban housing stocks
Highlights We modeled the effect of residential weatherization treatments in six U.S. cities. We estimated energy cost savings, GHG savings, and cost-effectiveness. Regional variations highly affect the cost-effectiveness of treatments. Houses with electric space conditioning tend to have greater savings potential. This study could inform strategies for weatherization assistance programs.
Abstract This paper investigates how greenhouse gas (GHG) mitigation benefits and cost-effectiveness of weatherization treatments vary geographically due to differences in climate, energy production mix, and housing stock. Using a treatment cost database and methods that estimate the residential energy savings from weatherization, we estimated energy cost savings, GHG savings, and measurements of cost-effectiveness. Combinations of three weatherization treatments were modeled: replacing a standard thermostat with a programmable thermostat, installing attic insulation, and envelop air sealing. These treatments were modeled for the low-income housing stock of six contrasting American urban areas: Orlando, Florida; Los Angeles-Long Beach, California; Seattle, Washington; Philadelphia, Pennsylvania; Detroit, Michigan; and Milwaukee, Wisconsin. Results show that (1) regional variations have high impact on the cost-effectiveness of weatherization treatments, (2) housing stocks with substantial electric space conditioning tend to offer greater energy cost and GHG savings, (3) the effect of a GHG price is small compared to energy cost savings when evaluating the cost-effectiveness of weatherization treatments, and (4) installing programmable thermostats is the most cost-effective treatment. This study highlights the importance of thoughtful consideration of weatherization program goals when selecting cities or regions to prioritize because different goals suggest different weatherization strategies.
Greenhouse gas mitigation benefits and cost-effectiveness of weatherization treatments for low-income, American, urban housing stocks
Highlights We modeled the effect of residential weatherization treatments in six U.S. cities. We estimated energy cost savings, GHG savings, and cost-effectiveness. Regional variations highly affect the cost-effectiveness of treatments. Houses with electric space conditioning tend to have greater savings potential. This study could inform strategies for weatherization assistance programs.
Abstract This paper investigates how greenhouse gas (GHG) mitigation benefits and cost-effectiveness of weatherization treatments vary geographically due to differences in climate, energy production mix, and housing stock. Using a treatment cost database and methods that estimate the residential energy savings from weatherization, we estimated energy cost savings, GHG savings, and measurements of cost-effectiveness. Combinations of three weatherization treatments were modeled: replacing a standard thermostat with a programmable thermostat, installing attic insulation, and envelop air sealing. These treatments were modeled for the low-income housing stock of six contrasting American urban areas: Orlando, Florida; Los Angeles-Long Beach, California; Seattle, Washington; Philadelphia, Pennsylvania; Detroit, Michigan; and Milwaukee, Wisconsin. Results show that (1) regional variations have high impact on the cost-effectiveness of weatherization treatments, (2) housing stocks with substantial electric space conditioning tend to offer greater energy cost and GHG savings, (3) the effect of a GHG price is small compared to energy cost savings when evaluating the cost-effectiveness of weatherization treatments, and (4) installing programmable thermostats is the most cost-effective treatment. This study highlights the importance of thoughtful consideration of weatherization program goals when selecting cities or regions to prioritize because different goals suggest different weatherization strategies.
Greenhouse gas mitigation benefits and cost-effectiveness of weatherization treatments for low-income, American, urban housing stocks
Bradshaw, Jonathan L. (author) / Bou-Zeid, Elie (author) / Harris, Robert H. (author)
Energy and Buildings ; 128 ; 911-920
2016-07-10
10 pages
Article (Journal)
Electronic Resource
English
A , attic insulation , ACH50 , air changes per hour at 50<hsp></hsp>Pa , AHS , American Housing Survey , CO2 , carbon dioxide , CO2e , carbon dioxide equivalent , EIA , Energy Information Administration , eGRID , Emissions & Generation Resource Integrated Database , GHG , greenhouse gas , GJ , gigajoule , HES , Home Energy Saver , MSA , Metropolitan Statistical Area , NREMD , National Residential Efficiency Measure Database , Pa , pascal , S , air sealing , T , programmable thermostat , U.S. , United States , WAP , Weatherization Assistance Program , Weatherization , Residential building retrofit , Building energy modeling , Energy efficiency , Greenhouse gas emissions , Cost-benefit analysis , Low-income housing