Solutions for Sustainable Communities:2011 Learning Conference on State & Local Housing Policy<br />SWIFT Low-income Weatherization:Reducing the Financing Burden<br />September 26, 2011<br />Washington DC <br />Prof Thomas Gentry AIA<br />Architecture <br />Prof Robert Cox PhD<br />Electrical & Computer Engineering<br />
Weatherization History<br />“The Weatherization Assistance Program [WAP] was created under Title IV of the Energy Conservation and Production Act of 1976. During a period of staggering increases in energy prices following the 1973 oil crisis, the program was designed to save imported oil and cut heating bills for low-income households, including senior citizens living on fixed incomes and Social Security, who were especially hard hit by rising energy bills.”<br />Department of Energy<br />Source: US Department of Energy, http://www1.eere.energy.gov/wip/wap_history.html<br />
Weatherization History<br />“The Weatherization Innovation Pilot Program [WIPP] aims to accelerate innovations in whole-house weatherization for low-income families. A new program in 2010, these projects include new and nontraditional partners and weatherization service providers, leverage significant non-federal financial resources in addition to federal funds, and aim to improve the effectiveness of low-income weatherization through the use of new materials, technologies, behavior-change models, and processes.”<br />Department of Energy<br />Source: US Department of Energy, http://www1.eere.energy.gov/wip/weatherization_innovation.html<br />
SWIFT Program<br />The SWIFT (Streamlined Weatherization Improvements for Tomorrow) Program under development by the University of North Carolina Charlotte is one of 16 Weatherization Innovation Pilot Programs.<br />UNC Charlotte<br />
SWIFT Program<br />The weatherization portion is financed primarily by a forgivable loan program; but, SWIFT is structured to allow implementation with other commonly used funding sources.<br />Duke Energy Home Energy Loan Pool (HELP) is administered by the North Carolina Housing Finance Agency (NCHFA). <br />UNC Charlotte<br />
SWIFT Program<br />The weatherization portion is financed primarily by a forgivable loan program; but, SWIFT is structured to allow implementation with other commonly used funding sources.<br />The SWIFT Program reduces the financing burden of low-income weatherization by:<br />Reducing administrative costs;<br />Leveraging volunteer labor and discount pricing on materials; and<br />Using more cost effective measures to reduce energy consumption. <br />UNC Charlotte<br />
1. Reducing Administrative Costs<br />A significant portion of the administrative costs is for overseeing the work of the weatherization contractor to assure the work is done properly and to track materials. <br />To reduce the cost of oversight:<br />Provide a trained crew chief and a comprehensive set of construction documents - drawings and specifications; and,<br />De-incentivize using too much material and material theft.<br />Pay a profitable mobilization-demobilization fee and limit material and equipment reimbursements to bare costs. <br />Base all work on verifiable unit pricing.<br />UNC Charlotte<br />
2. Leveraged Labor<br />Habitat for Humanity is the primary source of leveraged resources – volunteer labor.<br />Habitat for Humanity<br />Habitat for Humanity<br />Cabarrus County<br />Eastern Connecticut State University student participants in 2010 Youth United<br />
2. Leveraged Materials<br />Lowe’s Home Improvement Corporation is providing equipment and government pricing on all materials.<br />Lowe’s Home Improvement <br />Lowe’s<br />Corporate<br />Headquarters<br />Mooresville, NC<br />
3. Cost Effective Measures<br />Weatherization<br /><ul><li>The amount of insulation that can be added and the air tightness that is safe to achieve are limited by existing building conditions and indoor air quality requirements.
The Seal & Insulate method of weatherization has reached these limits.</li></li></ul><li>Cost Effective Measures<br />Weatherization<br /><ul><li>Achieving further reductions in energy consumption requires the utilization of additional weatherization methods.</li></li></ul><li>3. Cost Effective Measures<br />Weatherization<br /><ul><li>BAS is too expensive for low-income weatherization programs.
The SIR (Savings to Investment Ratio) is too low. </li></li></ul><li>3. Cost Effective Measures<br />Weatherization<br /><ul><li>Teaching the owner how to use the measures implemented in their house to reduce their energy consumption – “commissioning” – is cost effective. </li></li></ul><li>Reducing Energy Consumption<br />Two of the active measures used in the SWIFT Program to reduce energy consumption that require commissioning (educating the owner) are:<br />Real time energy monitoring and performance modeling; and,<br />Offsetting cooling loads with passive-hybrid ventilation.<br />Energy<br />
Reducing Energy Consumption<br />TED (The Energy Detective) device provides real time energy monitoring.<br />SWIFT uses the device in a more robust manner.<br />Performance modeling compares the expected performance in NEAT (National Energy Audit Tool) against the real performance. <br />SIRs (Savings to Investment Ratios) are adjusted in NEAT to refine the prioritization of measures.<br />Energy<br />
Reducing Energy Consumption<br /><ul><li>Throughout much of the United States the opportunity exists to reduce cooling loads with passive-hybrid ventilation during the shoulder seasons.</li></ul>Energy<br /><ul><li>In North Carolina the shoulder seasons makeup a significant portion of the year.</li></ul>Psychrometric chart from Climate Consultant 5.0<br />
Reducing Energy Consumption<br /><ul><li>High quality whole house fans provide quite passive-hybrid ventilation, when used properly. </li></ul>Energy<br /><ul><li>To insure proper usage, the SWIFT Program teaches the owner on three separate occasions how to use the system.
Commissioning is an ongoing process. </li></ul>AirScape 1.0 WHF<br />
SWIFT & Sustainable Communities <br /><ul><li>The SWIFT Program is committed to weatherize 800 low-income houses in North Carolina by October 1, 2012.
To promote sustainable communities the program:</li></ul>Targets communities with housing stock that is viable for the next generation;<br />Selects houses in community clusters to improve the community as a whole; <br />Provides greater economic stability by reducing the energy burden of low-income households; and,<br />Creates locally supported jobs that will continue beyond the WIPP period.<br />North Carolina<br />
Environmental Benefits<br /><ul><li>The reduction in energy consumption realized through the SWIFT Program results in a direct reduction of greenhouse gas emissions associated with:</li></ul>The burning of coal to produce electricity for cooling and lighting; and,<br />The burning of natural gas for heating.<br />Global Impact <br />