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Energy Efficient Design..or .. How do I know a high performance project when I see one

Energy Efficient Design..or .. How do I know a high performance project when I see one. 2012 CAHEC Partners Conference. Homes will be different in 2012 ….. and beyond. Different Names for “High-Performance”. Energy Efficient Green Sustainable Healthy Environmentally Responsive

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Energy Efficient Design..or .. How do I know a high performance project when I see one

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  1. Energy Efficient Design..or ..How do I know a high performance project when I see one 2012 CAHEC Partners Conference

  2. Homes will be different in 2012 …..and beyond

  3. Different Names for “High-Performance” • Energy Efficient • Green • Sustainable • Healthy • Environmentally Responsive • Better Buildings

  4. The Building is a System People High Performance Home Heat flow Air flow Moisture flow

  5. How to Define a Green Home? Energy Healthy Comfortable Durable Energy Efficient Environmentally Responsible Water Indoor Environment Site Materials

  6. “NASCAR” Logos

  7. High Performance Building Process • Components of the home are linked-“System” approach • Recognize the interactive strategies • Cost-effective solutions will result- Life Cycle Cost • Minimize environmental footprint • Contributes to the health, productivity and comfort of building occupants • Green buildings vs. green products

  8. Home Energy Rating System - HERSThird Party VerificationResidential Energy Services Network (RESNET)HERS RaterHERS Provider HERS Index

  9. What Are Ratings Used For? • Energy Efficient Mortgages: FHA EEM, HUD 203K, Fannie Mae MF Green Initiative • ENERGY STAR Home labeling • Performance option for energy code compliance • State / utility funded energy efficiency programs

  10. Building AnalysisFor decision making: • Developers • Rehab • Financing

  11. Types of 3rd Party Verification Tasks • Plan Reviews • Checklists • Inspections • Performance Testing • Documentation

  12. Organization is Key Helpful tips: • Identify and define Project Team early • Determine project objectives • Know what credits are influenced by design- i.e. Site, • Track all meetings, decisions, responsibilities • Establish online sharing or saving of documentation and checklist

  13. Documentation Each program varies • Visual verification • Photo documentation • Product literature – Cut sheet – Spec sheet – MSDS • Test results • Inspection reports

  14. Performance Testing A Blower Door is an instrument used to measure air leakage in the building envelope.

  15. Performance Testing A Duct Blaster is an instrument used to measure the leakiness of ducts.

  16. Cost of High Performance Building Programs • Potential Learning Curve Costs • Design and construction costs • Verification • Registration/Certification Costs

  17. Potential Learning Curve Costs • Consulting Support • Design Assistance/Reviews • Training and Education • Contractor Wrangling • Depends on: • Prior Experience • Complexity of project • One Team-One Goal

  18. Construction Costs • Many items have no additional cost • Some features result in cost savings • Other measures have an initial increased cost, but result in long term savings

  19. Discussion and Q&A • Southern Energy Management • www.southern-energy.com • 919.836.0330

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