Tankless water heater and installation cost — St. Paul, MN

Last updated: September 24, 2026

What affects the price

When you are shopping for a new water heater, the final cost depends on a few moving parts. First, consider the fuel source—switching from electric to gas or vice versa involves more labor. The capacity you need, measured in gallons, also changes the price tag, as does the physical footprint of the unit in your home. If your current plumbing or venting needs updates to meet modern safety codes, that adds to the work involved. We help you sort through these variables, with exact pricing confirmed free on the call.

About this service

This includes the unit you choose and the labor to install it. Factors that influence the final price include your current home configuration, the capacity of the tankless heater, and whether you are switching from a tank-style unit. Upgrading your venting system or gas lines are common variables that change the total investment. We provide exact pricing confirmed free on the call.

Frequently asked in St. Paul

Also serving nearby: Minneapolis · Bloomington · Rochester · Duluth · Sioux Falls

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More on this: DOE water heating — efficiency and sizing.

Service area details

Serving all of St. Paul — population 303,820; about 5,845 residents per square mile across 52.0 sq mi.

Neighborhoods served in St. Paul: Cathedral Hill, Highland Park, Downtown St. Paul, West 7th, Como Park — and every surrounding area.