2010 10-20 nahbrc greening midwest

200 views

Published on

Published in: Technology, Business
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
200
On SlideShare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
4
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide
  • Removing technological and regulatory barriers to innovation
  • 2010 10-20 nahbrc greening midwest

    1. 1. Dedicated to improving home building since 1964. Energy Efficiency in New & Existing Homes Greening Midwest Communities October 20, 2010 NAHB Research Center
    2. 2. Overview NAHB Research Center Builders Challenge Building America  Individual Measures  Whole House Packages  Quality Management EnergyValue Housing Award (EVHA) p. 2
    3. 3. NAHB Research Center Mission:  Promote innovation in housing technology to improve the quality, durability, and affordability of homes p. 3
    4. 4. Research Capabilities Testing Laboratory & Market Research Facility  Thermal (hot box)  Moisture (laboratory and test huts)  Structural (testing and design)  Toolbase.org (builder/trade technical resource)  Quality management resources  Market research and diffusion of innovation  Field testing and monitoring  Certification programs  HVAC design  Cost analysis p. 4
    5. 5. NAHB Research Center  Cost-effective energy efficiency solutions  Existing home remodeling  New high performance homes  Quality management tools  Technology diffusion  Industry resources p. 5
    6. 6. Department of Energy Programs Builders Challenge  DOE’s energy efficiency certification for homes Building America  DOE’s residential research & development (R&D) program p. 6
    7. 7. DOE’s Builders Challenge Voluntary certification program for energy-efficiency Minimum requirements  E-Scale (HERS Index) of 70 or less  Builders Challenge Quality Criteria p. 7
    8. 8. Dual Certification NGBS & Builders Challenge Dual Certification  June 29, 09  NGBS  DOE’s Builders Challenge Seamless Integration w/ Green Certification  Green scoring tool  www.NAHBGreen.org p. 8
    9. 9. Dual Certification Building practices leading to high performance homes All practices in Builders Challenge Quality Criteria are part of the NGBS (Chap 6,7, & 9) Most NGBS silver-level houses can also meet Builders Challenge p. 9
    10. 10. EnergySmart Home Scale (E-Scale) p. 10
    11. 11. Building America Private/public partnership sponsored by U.S. Department of Energy Conducts research on energy-efficient solutions for new and existing housing Ultimate goal: market ready net-zero energy homes p. 11
    12. 12. Building America Goals  Construct “high performance homes” that are  Energy efficient  Durable  Comfortable  Healthy to live in In other words . . . Green. p. 12
    13. 13. Individual Measures & Integration ResearchExisting Homes New Homes High R-Roof Insulation  High R-Wall Air Sealing  Thermal, Moisture, Structural, Energy, Cost Retrofit Packages  HVAC  Design for HPH, GSHP  Hot Water Systems  Thermal Mass  MELs  Integration/Cost Analysis p. 13
    14. 14. Individual Measures System Analysis  How are systems installed, operated and maintained?  How much energy is saved? Test and monitor systems at the Research Center’s laboratory and/or in the field p. 14
    15. 15. Individual Measures Integrated Rim Header Double rim member at openings Joist hangers at openings King studs carry gravity load and wind loading Eliminates need for jack studs 15 p. 15
    16. 16. Individual Measures Integrated Rim Header  Primary purpose:  Understand deformations to ensure window serviceability  Additional testing is planned 16 p. 16
    17. 17. Individual Measures Integrated Rim Header 17 p. 17
    18. 18. Whole House Packages Work with builder partners New home construction  50% savings over 15 yr old home (BA Benchmark) Existing homes  30% savings over existing structure Whole house approach  Ensure building & systems function together to reduce energy use and minimize costs p. 18
    19. 19. Current Project LocationsNew Homes Work - Systems Research - Prototype Home - Community ScaleExisting Homes Work - Systems Research - Prototype Home - Community Scale p. 19
    20. 20. Existing Home Packages Montgomery County Habitat Deliver 12 fully renovated homes to clients Affordability, Enhance safety, Improve durability, Lower the energy cost, Adhere to schedule and budget p. 20
    21. 21. Existing Home Packages Montgomery County HabitatR 4.7 original to R 20 retrofit p. 21
    22. 22. New Home Packages K. Hovnanian NJ Mixed Humid Climate 40% (BA Benchmark) HERS Index - 65 Panelized Walls NAHBRC construction monitoring Simplified duct system 12 ft.  saving 28% supply duct and 70% 9 ft. return duct material p. 22
    23. 23. K. Hov, NJ Monmouth Description Monmouth Specs Slab on GradeFoundation 2’ perimeter insulation 2” XPS R-10 Panelized WallsWalls Exterior Rigid Foam (1” SIS) R-5 Batt Cavity Insulation R-13Roof / Attic Loose fill fiberglass R-49Windows High Performance Windows U = 0.34 / SHGC = 0.26 Gas FurnaceHeating System 95% AFUE Located in Conditioned Space Central UnitCooling System 15 SEER Located in Conditioned SpaceDucts Deep Buried Supply trunk/boots sealed w/ spray foamWater Heater Navien Direct Vent Water Heater EF = 0.98Lighting 90% fluorescentAppliances Energy Star (where supplied)Ventilation Honeywell fresh air ventilation system Control integrated with thermostatAir Sealing Air Sealing Package Foam over top plates, SIS gaskets, framed cavities & knee wall air barriers p. 23
    24. 24. HPHQMS Scopes of Work (SOW)  Hotspot Inspection Process Economics of Quality  ToolBase.org  Quality Management Resources p. 24
    25. 25. Energy Value Housing Award (EVHA) Awards Ceremony  International Builders Show  Orlando, FL  Jan 11, 2011 New Homes Existing Homes p. 25
    26. 26. Resources Building America - www.eere.energy.gov/buildings/building_america Builders Challenge - www.eere.energy.gov/buildings/challenge Dual Certification - www.nahbgreen.org National Green Building Certification - www.nahbgreen.org NAHB Research Center - Corporate: www.nahbrc.com - Technical: www.toolbase.org p. 26
    27. 27. Amber Wood Program Manager, Energy Efficiency NAHB Research Center 400 Prince George’s Blvd Upper Marlboro, MD 20774 301-430-6309 (toll-free) 800-638-8556 awood@nahbrc.comwww.nahbrc.org • www.toolbase.org p. 27

    ×