Reference code/standard

2006 International Energy Conservation Code

1993 Model Energy Code

Reference air conditioner efficiency

13 SEER

10 SEER

Total Energy Consumption in the rating system

• Heating
• Cooling
• Water heater
• Lighting
• Appliances
• Onsite energy production

• Heating
• Cooling
• Water heater

Comparison to the "code" home

For every 1% reduction in total energy consumption, -1 point.

For every 5% reduction in total energy consumption, +1 point.

"Code" home score

100

80

Zero energy home score

0

100

ENERGY STAR® home

Climate zone 6-8: < =80
Climate zone 1-5: < =85

>=86

Effective date

July 1, 2006