How much does water heater installation cost in Great Falls, MT?

Most Great Falls homeowners spend between $1,200 – $3,450 on water heater installation, with an average around $2,100. Local labor prices 1% below the national average, so Great Falls quotes tend to land at the lower end of national ranges.

Why is water heater installation more or less expensive in Great Falls than elsewhere?

Licensed trade labor in Great Falls runs about 99% of the national average, and the best crews book out fastest in spring and early summer. Montana weather drives material choices here, so ask contractors what they install most often in Great Falls and why.

Do I need a permit for water heater installation in Great Falls, Montana?

Most Great Falls, MT projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not. Always confirm current requirements with the local building department before signing a contract, and make sure the permit is pulled by your licensed contractor.

How many quotes should I get in Great Falls?

Get at least three written quotes from licensed, insured Montana contractors. Comparing line items — not just the bottom line — is the fastest way to spot an inflated bid in the Great Falls metro market.

How much does it cost to replace a water heater?

$1,200 to $3,500 installed. A straight 50-gallon tank swap is $1,200 to $2,400; tankless conversion is $3,000 to $6,500.

Is tankless worth it?

If you plan to stay 10+ years, yes. It costs two to three times more to install but lasts twice as long and cuts water heating energy 20% to 30%.

How long does a water heater last?

Eight to twelve years for a gas tank, ten to fifteen for electric, and twenty or more for tankless with annual descaling.

What size water heater do I need?

40 gallons for two to three people, 50 for three to four, 75 to 80 for five or more. First-hour rating matters more than raw capacity.

Is a heat pump water heater a good idea?

In a garage or basement with adequate space and a mild climate, it cuts water heating cost 60% to 70% and often qualifies for large rebates.

Most jurisdictions require one, especially for gas and venting changes. Unpermitted work can surface at resale.

Home/Cost guides/Water Heater Installation/Great Falls, MT

Great Falls metro · Montana

Water Heater Installation cost in Great Falls, MT

Great Falls homeowners typically pay $1,200 – $3,450 for water heater installation. Local labor and materials price 1% below the national average.

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Great Falls average

$2,100

Typical low

$1,200

Typical high

$3,450

Per unit

$890 – $6,450

Sample ZIP

What drives Great Falls pricing

Local labor

Licensed trade labor in Great Falls runs about 99% of the national average, and the best crews book out fastest in spring and early summer.

Permits & code

Most Great Falls, MT projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not.

Climate & conditions

Montana weather drives material choices here, so ask contractors what they install most often in Great Falls and why.

Instant cost calculator

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Units1 unit

Water heater type

Fuel or type change

Location

Estimated project cost

$990 – $2,500

Most homeowners pay around $1,745

Compare water heater type

Cost by material in Great Falls

Installed Great Falls pricing per unit.

Option	Installed cost	Pros	Cons
Gas tank	$990 – $2,500	Fast recovery, cheap to run	Needs venting, 8-12 year life
Electric tank	$890 – $2,200	Cheapest install, no venting	Slower recovery, higher operating cost
Gas tankless	$2,500 – $5,950	Endless hot water, 20+ year life, saves space	Costly install, may need larger gas line
Electric tankless	$1,500 – $3,950	Compact, point-of-use friendly	Big amperage draw, struggles in cold climates
Heat pump (hybrid)	$2,200 – $5,450	Cuts water heating energy 60-70%, rebate eligible	Needs conditioned space and clearance
Solar water heater	$3,450 – $8,900	Lowest operating cost	Backup unit still required

Where the money goes in Great Falls

A typical $2,100 Great Falls project, broken down by line item.

Water heater unit48% · $1,008
Labor32% · $672
Venting, gas or electrical12% · $252
Permit, disposal and fittings8% · $168

Common add-ons

Extras that show up on Great Falls quotes but rarely in the headline price.

Expansion tank

$99 – $345

New gas line or upsizing

$295 – $1,200

Dedicated 240V circuit

$395 – $1,200

Venting modification

$295 – $1,500

Drain pan and leak sensor

$99 – $395

Water softener

$790 – $2,950

Ways to save in Great Falls

Replace before it fails so you are not paying emergency rates.
Right-size the tank; oversizing wastes standby energy every day for a decade.
Check federal, state and utility rebates for heat pump water heaters — they can cover $500 to $2,000.
Stay with your existing fuel type unless energy math clearly favors switching.
Buy the unit yourself during a sale and pay only for installation labor.

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$1,485 – $3,960

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$8,415 – $33,660

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$17,820 – $94,050

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$5,445 – $17,820

Deck Building in Great Falls

$4,356 – $11,880

Window Replacement in Great Falls

$446 – $1,485

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