Zero Energy Homes

1
Zero Energy Homes

• Goal

Regulate Heat Transfer
Reduce Energy Consumption
produce energy from renewable sources
minimal, or zero reliance on power grid -
Thereby reducing cost
2
COLD WEATHER CLIMATES
R e g u l a t i n g H e a t T
r a n s f e r

• Dark Roof
• Passive Solar Heating
• Largest wall runs East ? West
• 25 35 of wall is windows
• Frequently used rooms face south
• Open floor plan
• Thermal Mass

3
HOT WEATHER CLIMATES
R e g u l a t i n g H e a t T
r a n s f e r

• White Roof
• Radiant Barriers
• Over Hangs
• Passive Solar cooling
• Breeze acceleration
• Thermal Chimney

4
General Heat Regulators

• UV/IR reducing windows
• Air ducts placement
• Not in attics
• oversized
• Insulation
• R -10 in Walls, R 30 in Attics