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Residential Space Conditioning Conservation Resource Assessment

Residential Space Conditioning Conservation Resource Assessment. Overview of Analytical Process and Major Assumptions January 21, 2003. What’s Covered. Three Building Types Single Family (up to & including 4-plex) Multifamily (5-plex & above) Manufactured/Mobile Homes Three Vintages

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Residential Space Conditioning Conservation Resource Assessment

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  1. Residential Space Conditioning Conservation Resource Assessment Overview of Analytical Process and Major Assumptions January 21, 2003

  2. What’s Covered • Three Building Types • Single Family (up to & including 4-plex) • Multifamily (5-plex & above) • Manufactured/Mobile Homes • Three Vintages • Pre-1980 • 1980 – 1992 • Post-1992 (= 1983 MCS level construction)

  3. What’s Covered (cont) • Measures/Technologies/Practices • Thermal Shell Improvements • Duct Sealing • Heating System Conversions to Air-Source Heat Pumps • Heat Pump and Central Air Conditioning System Efficiency Upgrades

  4. Analytical Process – Measure Cost-Effectiveness Baseline Characteristics Prototype Simulations • Eleven Buildings • Five locations • Adjusted for “system” efficiency • Nine Climate Zone Combinations • 3 Heating • 3 Cooling • C&R D Reports • Current Codes • Market Surveys • Federal Standards PROCOST Unit Level Results • Market Price Forecast • Load Shapes • T&D Losses & Value • Non-Energy Benefits • “Optimized” Measure Order • Cost-Effectiveness Determination

  5. Analytical Process – Interactive Measures Internal Gains Adjusted to Reflect Cost-Effective Appliance and Lighting Efficiency Improvements Building Thermal Shells Insulated to Cost-Effectiveness Limit Ducts Sealed and Insulated to Cost-Effectiveness Limit Heat Pump Conversions/Upgrades

  6. Analytical Process – “Applicable Units” • Housing Stock • Built Pre-1980, surviving in 2025 • Built Post-1980/Pre1993, surviving in 2025 • Built between 2005 – 2025 • Duct Systems & Space Conditioning Equipment • Single Family and Manufactured Homes • Heating & Cooling Equipment Installed in New Construction and Replaced “on burn out”

  7. Preliminary Results – Measures with Resource Potential Over 10 aMW

  8. Preliminary Residential Space Conditioning Supply Curve

  9. Why “Preliminary” • Applicable Units Need Further “Scrubbing” • SGC-Single Family – Adjust for penetration of Energy Star windows • PTCS Duct Sealing – Adjust for non-crawlspace construction and existing “tight” duct systems • Maybe some other smaller adjustments

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