Kansas climate zones
Kansas’s 105 counties fall in 2 IECC 2021 climate zones: 4A (87), 5A (18).
Zone 4A: mixed-humid
Attic target R60 (ENERGY STAR)Allen County (Mixed-humid) · Anderson County (Mixed-humid) · Atchison County (Mixed-humid) · Barber County (Mixed-humid) · Barton County (Mixed-humid) · Bourbon County (Mixed-humid) · Brown County (Mixed-humid) · Butler County (Mixed-humid) · Chase County (Mixed-humid) · Chautauqua County (Mixed-humid) · Cherokee County (Mixed-humid) · Clark County (Mixed-humid) · Clay County (Mixed-humid) · Cloud County (Mixed-humid) · Coffey County (Mixed-humid) · Comanche County (Mixed-humid) · Cowley County (Mixed-humid) · Crawford County (Mixed-humid) · Dickinson County (Mixed-humid) · Doniphan County (Mixed-humid) · Douglas County (Mixed-humid) · Edwards County (Mixed-humid) · Elk County (Mixed-humid) · Ellis County (Mixed-humid) · Ellsworth County (Mixed-humid) · Finney County (Mixed-humid) · Ford County (Mixed-humid) · Franklin County (Mixed-humid) · Geary County (Mixed-humid) · Graham County (Mixed-humid) · Grant County (Mixed-humid) · Gray County (Mixed-humid) · Greenwood County (Mixed-humid) · Hamilton County (Mixed-humid) · Harper County (Mixed-humid) · Harvey County (Mixed-humid) · Haskell County (Mixed-humid) · Hodgeman County (Mixed-humid) · Jackson County (Mixed-humid) · Jefferson County (Mixed-humid) · Johnson County (Mixed-humid) · Kearny County (Mixed-humid) · Kingman County (Mixed-humid) · Kiowa County (Mixed-humid) · Labette County (Mixed-humid) · Leavenworth County (Mixed-humid) · Lincoln County (Mixed-humid) · Linn County (Mixed-humid) · Lyon County (Mixed-humid) · Marion County (Mixed-humid) · Marshall County (Mixed-humid) · McPherson County (Mixed-humid) · Meade County (Mixed-humid) · Miami County (Mixed-humid) · Mitchell County (Mixed-humid) · Montgomery County (Mixed-humid) · Morris County (Mixed-humid) · Morton County (Mixed-humid) · Nemaha County (Mixed-humid) · Neosho County (Mixed-humid) · Ness County (Mixed-humid) · Osage County (Mixed-humid) · Osborne County (Mixed-humid) · Ottawa County (Mixed-humid) · Pawnee County (Mixed-humid) · Pottawatomie County (Mixed-humid) · Pratt County (Mixed-humid) · Reno County (Mixed-humid) · Rice County (Mixed-humid) · Riley County (Mixed-humid) · Rooks County (Mixed-humid) · Rush County (Mixed-humid) · Russell County (Mixed-humid) · Saline County (Mixed-humid) · Sedgwick County (Mixed-humid) · Seward County (Mixed-humid) · Shawnee County (Mixed-humid) · Stafford County (Mixed-humid) · Stanton County (Mixed-humid) · Stevens County (Mixed-humid) · Sumner County (Mixed-humid) · Trego County (Mixed-humid) · Wabaunsee County (Mixed-humid) · Washington County (Mixed-humid) · Wilson County (Mixed-humid) · Woodson County (Mixed-humid) · Wyandotte County (Mixed-humid)
Zone 5A: cool-humid
Attic target R60 (ENERGY STAR)Cheyenne County (Cold) · Decatur County (Cold) · Gove County (Cold) · Greeley County (Cold) · Jewell County (Cold) · Lane County (Cold) · Logan County (Cold) · Norton County (Cold) · Phillips County (Cold) · Rawlins County (Cold) · Republic County (Cold) · Scott County (Cold) · Sheridan County (Cold) · Sherman County (Cold) · Smith County (Cold) · Thomas County (Cold) · Wallace County (Cold) · Wichita County (Cold)