welcome to: r esidential e nergy e fficiency garry ruliffson energy solution specialist oppd
TRANSCRIPT
- Slide 1
- Welcome To: R ESIDENTIAL E NERGY E FFICIENCY Garry Ruliffson Energy Solution Specialist OPPD
- Slide 2
- The Energy Efficient Home Understanding a Home as a System
- Slide 3
- Energy Trends
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- Performance Test
- Slide 7
- Infrared Imaging Performance Test
- Slide 8
- 1. Windows Typically, What is the first options we choose for making homes more Energy Efficient? Long term Payback 1 or 2. High Efficient Heating High Efficient Fossil Fuel High Efficient Heat Pumps 1, 2, or 3. Add Insulation So, Where Do We Start?
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- Wind & Stack Effect Pressure Wind Stack Effect
- Slide 11
- Mechanical Infiltration Exhaust 200 to 230 CFM Exhaust up to 150 CFM Exhaust 50 to 110 CFM
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- The Air Barrier Exterior Wind Air Barrier Interior Air Barrier
- Slide 13
- Stack Effect Pressure
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- The Thermal Barrier
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- Typical Basements are Energy Wasters An energy assessment of your homes 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
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- Basement Wall Insulation Extruded Foams
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- Wall Insulation Types Blow-In Insulation Systems Spray Foam Typical Installation
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- Attic Insulation Types Loose-Fill Cellulose
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- Ventilating Homes for PEOPLE Pulling in Straight Unconditioned Air Air-Cycler Energy Recovery Ventilator (ERV)
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- Ductwork - Attic Outside Conditioned Space FFurnace off FFurnace on RRed is Bad hot air leaking out
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- Fossil Fuel Furnace Efficiencies AFUE 60% - 80% - 90% - 97%
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- How a Heat Pump Works
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- The Home System
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- In the Future, There Will Be a Demand for High Performance Homes!
- Slide 31
- Questions??Questions??