2026 NATIONAL COST LIBRARY

Home upgrade costs, state by state.

51 state and district planning models adjusted for climate, electricity prices, installation conditions, and utility structure.

50states
+ DCdistrict coverage
4upgrade types
2026model year
ALL STATES · A–ZPlanning estimates before incentives
AL
South · Hot-humid

Alabama

$8,900–$13,300
AK
West · Cold

Alaska

$13,300–$20,000
AZ
West · Hot-dry

Arizona

$9,700–$14,500
AR
South · Hot-humid

Arkansas

$8,500–$12,700
CA
West · Marine

California

$13,500–$20,300
CO
West · Cold

Colorado

$10,800–$16,200
CT
Northeast · Cold

Connecticut

$11,700–$17,500
DE
South · Mixed

Delaware

$10,200–$15,300
DC
South · Mixed

District of Columbia

$12,300–$18,500
FL
South · Hot-humid

Florida

$9,700–$14,500
GA
South · Hot-humid

Georgia

$9,300–$13,900
HI
West · Hot-humid

Hawaii

$13,900–$20,900
ID
West · Cold

Idaho

$9,300–$13,900
IL
Midwest · Cold

Illinois

$10,300–$15,400
IN
Midwest · Cold

Indiana

$9,200–$13,800
IA
Midwest · Cold

Iowa

$9,000–$13,500
KS
Midwest · Mixed

Kansas

$8,900–$13,300
KY
South · Mixed

Kentucky

$8,700–$13,000
LA
South · Hot-humid

Louisiana

$9,100–$13,600
ME
Northeast · Cold

Maine

$11,000–$16,500
MD
South · Mixed

Maryland

$10,900–$16,300
MA
Northeast · Cold

Massachusetts

$12,300–$18,500
MI
Midwest · Cold

Michigan

$9,700–$14,500
MN
Midwest · Cold

Minnesota

$10,200–$15,300
MS
South · Hot-humid

Mississippi

$8,500–$12,700
MO
Midwest · Mixed

Missouri

$8,900–$13,300
MT
West · Cold

Montana

$10,100–$15,100
NE
Midwest · Cold

Nebraska

$8,800–$13,200
NV
West · Hot-dry

Nevada

$10,400–$15,600
NH
Northeast · Cold

New Hampshire

$11,100–$16,600
NJ
Northeast · Mixed

New Jersey

$10,900–$16,300
NM
West · Hot-dry

New Mexico

$9,400–$14,100
NY
Northeast · Cold

New York

$11,300–$16,900
NC
South · Mixed

North Carolina

$9,200–$13,800
ND
Midwest · Cold

North Dakota

$9,500–$14,200
OH
Midwest · Cold

Ohio

$9,200–$13,800
OK
South · Mixed

Oklahoma

$8,500–$12,700
OR
West · Marine

Oregon

$10,600–$15,900
PA
Northeast · Cold

Pennsylvania

$10,200–$15,300
RI
Northeast · Cold

Rhode Island

$11,600–$17,400
SC
South · Hot-humid

South Carolina

$8,900–$13,300
SD
Midwest · Cold

South Dakota

$8,900–$13,300
TN
South · Mixed

Tennessee

$8,700–$13,000
TX
South · Hot-humid

Texas

$9,300–$13,900
UT
West · Cold

Utah

$9,600–$14,400
VT
Northeast · Cold

Vermont

$10,900–$16,300
VA
South · Mixed

Virginia

$10,100–$15,100
WA
West · Marine

Washington

$11,400–$17,100
WV
South · Mixed

West Virginia

$8,700–$13,000
WI
Midwest · Cold

Wisconsin

$9,700–$14,500
WY
West · Cold

Wyoming

$9,600–$14,400
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