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Welcome To: Residential Energy Efficiency

Garry Ruliffson Energy Solution Specialist O PPD. Welcome To: Residential Energy Efficiency. Understanding a Home as a System. The Energy Efficient Home. Energy Trends. Energy Efficiency in the Home. Diagnosing a Home. Performance Test. Performance Test. Infrared Imaging.

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Welcome To: Residential Energy Efficiency

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  1. Garry Ruliffson Energy Solution SpecialistOPPD Welcome To:Residential Energy Efficiency

  2. Understanding a Home as a System The Energy Efficient Home

  3. Energy Trends

  4. Energy Efficiency in the Home

  5. Diagnosing a Home

  6. Performance Test

  7. Performance Test • Infrared Imaging

  8. Typically, What is the first options we choose for making homes more Energy Efficient? 1. Windows Long term Payback So, Where Do We Start? 1 or 2.High Efficient Heating 1, 2, or 3. Add Insulation High Efficient Fossil Fuel High Efficient Heat Pumps

  9. The Air Barrier

  10. Wind & Stack Effect Pressure Wind Stack Effect

  11. Mechanical Infiltration • Exhaust 50 to 110 CFM • Exhaust up to 150 CFM • Exhaust 200 to 230 CFM

  12. The Air Barrier Exterior Wind Air Barrier Interior Air Barrier

  13. Stack Effect Pressure

  14. The Thermal Barrier

  15. The Thermal Barrier

  16. Typical Basements are Energy Wasters An energy assessment of your home’s Basement Insulation • Uninsulated basements can make up almost 40% of your homes heating load requirements • Adding minimum insulation (R-10) cuts basement heating loads in half

  17. Basement Wall Insulation • Extruded Foams

  18. Wall Insulation Types • Blow-In Insulation Systems • Typical Installation • Spray Foam

  19. Attic Insulation Types • Loose-Fill • Cellulose

  20. Indoor Air Quality

  21. Ventilating Homes for PEOPLE Air-Cycler Pulling in Straight Unconditioned Air Energy Recovery Ventilator (ERV)

  22. Heating & Cooling Ductwork

  23. Ductwork - AtticOutside Conditioned Space • Furnace off • Furnace on • Red is Bad – hot air leaking out

  24. Heating & Cooling Systems

  25. Fossil Fuel Furnace Efficiencies AFUE 60% - 80% - 90% - 97%

  26. How a Heat Pump Works

  27. Putting it all together

  28. The Home System

  29. In the Future, There Will Be a Demand for High Performance Homes!

  30. Questions??

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