Welcome To: R ESIDENTIAL E NERGY E FFICIENCY Garry Ruliffson Energy Solution Specialist OPPD.

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Presentation transcript:

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 FFurnace off FFurnace on RRed 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??