2009 IECC requirements Pacific Northwest National Laboratory See this website for your zone lookup Residential Prescriptive Requirements Residential Prescriptive Requirements See this website for your zone lookup Residential Prescriptive Requirements 2009 IEC Climate Zone 4 Residential Prescriptive Requirements See this website for your zone lookup Pacific Northwest National Laboratory Climate Zone 3 Climate Zone 3A Climate Zone 4 Climate Zone 3 See this website for your zone lookup C page See this website for your zone lookup See this website for your zone lookup 2009 International Energy Conservation Code (IECC) Climate Zone 3 See this website for your zone lookup Residential Prescriptive Requirements See this website for your zone lookup Residential Prescriptive Requirements Residential Prescriptive Requirements Residential Prescriptive Requirements climate zone 1 or 2 IECC’s current climate zone map climate zone 1 or 2 http://energycode.pnl.gov/EnergyCodeReqs/ Climate Zone 3A which climate zone your county in your state falls under Climate Zone 3 http://energycode.pnl.gov/EnergyCodeReqs/ Climate Zone 3A Climate Zone 3 Pacific Northwest National Laboratory Pacific Northwest National Laboratory Residential Prescriptive Requirements Zone 5 Residential Prescriptive Requirements Residential Prescriptive Requirements Pacific Northwest National Laboratory Residential Prescriptive Requirements Residential Prescriptive Requirements Climate Zone 3 Residential Prescriptive Requirements Residential Prescriptive Requirements Residential Prescriptive Requirements See this website for your zone lookup Residential Prescriptive Requirements Residential Prescriptive Requirements Residential Prescriptive Requirements See this website for your zone lookup http://energycode.pnl.gov/EnergyCodeReqs/ Climate Zone Map Climate Zone 3 Climate Zone 3A Climate Zone 3A http://energycode.pnl.gov/EnergyCodeReqs/ http://energycode.pnl.gov/EnergyCodeReqs/ Climate Zone 3A Climate Zone 3A International Energy Conservation Code (IECC) map http://energycode.pnl.gov/EnergyCodeReqs/ Zone 5 Climate Zone 3A climate zone 1 or 2 Climate Zone 3 Pacific Northwest National Laboratory prescriptive requirements 2009 IECC requirements