Welcome To: R ESIDENTIAL E NERGY E FFICIENCY Garry Ruliffson Energy Solution Specialist OPPD
The Energy Efficient Home Understanding a Home as a System
Energy Trends
Performance Test
Infrared Imaging Performance Test
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?
Wind & Stack Effect Pressure Wind Stack Effect
Mechanical Infiltration Exhaust 200 to 230 CFM Exhaust up to 150 CFM Exhaust 50 to 110 CFM
The Air Barrier Exterior Wind Air Barrier Interior Air Barrier
Stack Effect Pressure
The Thermal Barrier
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
Basement Wall Insulation Extruded Foams
Wall Insulation Types Blow-In Insulation Systems Spray Foam Typical Installation
Attic Insulation Types Loose-Fill Cellulose
Ventilating Homes for PEOPLE Pulling in Straight Unconditioned Air Air-Cycler Energy Recovery Ventilator (ERV)
Ductwork - Attic Outside Conditioned Space FFurnace off FFurnace on RRed is Bad – hot air leaking out
Fossil Fuel Furnace Efficiencies AFUE 60% - 80% - 90% - 97%
How a Heat Pump Works
The Home System
In the Future, There Will Be a Demand for High Performance Homes!
Questions??Questions??