Tankless Water Heater Installation Costs

Installation of an on-demand tankless water heater requiring upgraded gas line or electrical supply, venting, and condensate drain where applicable.

Verified by 2 sourcesUpdated March 21, 2026

Cost Comparison by Location

50 locations with verified cost data

Cost Comparison — Tankless Water Heater Installation

Alabama2 sources

Low

$140

Typical

$2,903

High

$8,000

Alaska2 sources

Low

$140

Typical

$2,933

High

$8,000

Arizona2 sources

Low

$140

Typical

$2,912

High

$8,000

Arkansas2 sources

Low

$140

Typical

$2,899

High

$8,000

California2 sources

Low

$140

Typical

$2,918

High

$8,000

Colorado2 sources

Low

$140

Typical

$2,913

High

$8,000

Connecticut2 sources

Low

$140

Typical

$2,923

High

$8,000

Delaware2 sources

Low

$140

Typical

$2,914

High

$8,000

Florida2 sources

Low

$140

Typical

$2,900

High

$8,000

Georgia2 sources

Low

$140

Typical

$2,906

High

$8,000

Hawaii2 sources

Low

$140

Typical

$2,928

High

$8,000

Idaho2 sources

Low

$140

Typical

$2,907

High

$8,000

Illinois2 sources

Low

$140

Typical

$2,946

High

$8,000

Indiana2 sources

Low

$140

Typical

$2,914

High

$8,000

Iowa2 sources

Low

$140

Typical

$2,911

High

$8,000

Kansas2 sources

Low

$140

Typical

$2,912

High

$8,000

Kentucky2 sources

Low

$140

Typical

$2,912

High

$8,000

Louisiana2 sources

Low

$140

Typical

$2,914

High

$8,000

Maine2 sources

Low

$140

Typical

$2,912

High

$8,000

Maryland2 sources

Low

$140

Typical

$2,913

High

$8,000

Massachusetts2 sources

Low

$140

Typical

$2,933

High

$8,000

Michigan2 sources

Low

$140

Typical

$2,927

High

$8,000

Minnesota2 sources

Low

$140

Typical

$2,933

High

$8,000

Mississippi2 sources

Low

$140

Typical

$2,908

High

$8,000

Missouri2 sources

Low

$140

Typical

$2,912

High

$8,000

Montana2 sources

Low

$140

Typical

$2,928

High

$8,000

Nebraska2 sources

Low

$140

Typical

$2,912

High

$8,000

Nevada2 sources

Low

$140

Typical

$2,910

High

$8,000

New Hampshire2 sources

Low

$140

Typical

$2,912

High

$8,000

New Jersey2 sources

Low

$140

Typical

$2,927

High

$8,000

New Mexico2 sources

Low

$140

Typical

$2,909

High

$8,000

New York2 sources

Low

$140

Typical

$2,928

High

$8,000

North Carolina2 sources

Low

$140

Typical

$2,900

High

$8,000

North Dakota2 sources

Low

$140

Typical

$2,912

High

$8,000

Ohio2 sources

Low

$140

Typical

$2,912

High

$8,000

Oklahoma2 sources

Low

$140

Typical

$2,904

High

$8,000

Oregon2 sources

Low

$140

Typical

$2,943

High

$8,000

Pennsylvania2 sources

Low

$140

Typical

$2,916

High

$8,000

Rhode Island2 sources

Low

$140

Typical

$2,914

High

$8,000

South Carolina2 sources

Low

$140

Typical

$2,904

High

$8,000

South Dakota2 sources

Low

$140

Typical

$2,900

High

$8,000

Tennessee2 sources

Low

$140

Typical

$2,907

High

$8,000

Texas2 sources

Low

$140

Typical

$2,908

High

$8,000

Utah2 sources

Low

$140

Typical

$2,911

High

$8,000

Vermont2 sources

Low

$140

Typical

$2,910

High

$8,000

Virginia2 sources

Low

$140

Typical

$2,909

High

$8,000

Washington2 sources

Low

$140

Typical

$2,929

High

$8,000

West Virginia2 sources

Low

$140

Typical

$2,899

High

$8,000

Wisconsin2 sources

Low

$140

Typical

$2,928

High

$8,000

Wyoming2 sources

Low

$140

Typical

$2,911

High

$8,000