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How much does a water heater replacement cost in St. John's, NL?

Converted from US national rangeUpdated Prices checked October 20262 sources

A water heater replacement costs about CA$1,240 to CA$2,570, typical CA$1,890, using the US national range converted to Canadian dollars. That is HomeAdvisor's US figure ($882 to $1,826) at 1.4054 CAD per USD (Bank of Canada, October 20, 2026), not a survey of St. John's prices.

Converted to Canadian dollars

Low
CA$1,240
Typical
CA$1,890
High
CA$2,570

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Water heater replacement cost in St. John's, NL

Each row says exactly what the figures are and where they come from.

Water heater replacement cost in St. John's, NL
EstimateLowTypicalHighBasisChecked
Converted to CADCA$1,240CA$1,890CA$2,570US national range × 1.4054 CAD per USD (Bank of Canada, October 20, 2026). Not a survey of St. John's pricesOctober 2026
US national range$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs (HomeAdvisor)October 2026

Water heater replacement cost by type or size

US national figures in USD, as published by each source.

Water heater replacement cost by type or size
Type or sizePrice (USD)Source
40-gallon tank, installed$550 to $2,300Fixr
50-gallon tank, installed$700 to $2,500Fixr

What drives the cost of a water heater replacement

Dollar figures in this section are US national figures in US dollars.

  1. Type of heater

    Tank, tankless, heat pump and solar units differ widely in price.

  2. Tank size

    A 50-gallon tank costs more than a 40-gallon tank.

  3. Fuel source

    Switching fuel, or adding gas lines or electrical circuits, raises the cost.

  4. Venting and code upgrades

    Power venting, expansion tanks and code fixes add parts and labor.

  5. Labor and access

    Labor is about half the total; tight closets and attics take longer.

Permits and what's included in St. John's

Fees quoted here are US figures in US dollars; Canadian permit fees are set by your municipality.

Permit note

Most areas require a plumbing permit. A standard permit runs about $25 to $300, and a separate gas permit, if needed, about $50 to $300.

Rules are set locally; confirm with St. John's’s building department.

What’s usually included

  • The new water heater
  • Labor to disconnect the old unit and connect the new one
  • Removal of the old unit (often included; confirm on the quote)

Scopes vary. Get the scope in writing on every quote.

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Top-ranked plumbers in St. John's

The top 3 of 23 plumbers we rank for St. John's, NL, by CR Score. Paid placement never changes rank.

  1. #1
    Mr. Rooter Plumbing of St. John's
    CR Score 664.6from 518 Google reviews
  2. #2
    Avalon Plumbing & Heating Ltd
    CR Score 664.9from 216 Google reviews
  3. #3
    Hubley's Plumbing & Heating
    CR Score 624.5from 69 Google reviews

See all ranked plumbers in St. John's

Water heater replacement cost in St. John's: questions

How much does a water heater replacement cost in St. John's, NL?

A water heater replacement costs about CA$1,240 to CA$2,570, typical CA$1,890, using the US national range converted to Canadian dollars. That is HomeAdvisor's US figure ($882 to $1,826) at 1.4054 CAD per USD (Bank of Canada, October 20, 2026), not a survey of St. John's prices.

Are these prices in Canadian dollars?

Yes, converted. We have no Canadian price survey for this job, so we show the US national range converted at 1.4054 CAD per USD (Bank of Canada daily rate for October 20, 2026). Local labour, material and tax differences are not reflected.

Do I need a permit for a water heater replacement in St. John's?

Most areas require a plumbing permit. A standard permit runs about $25 to $300, and a separate gas permit, if needed, about $50 to $300. Rules are set locally, so confirm with St. John's’s building department. Dollar figures here are US figures in US dollars.

What affects the cost of a water heater replacement?

Type of heater: tank, tankless, heat pump and solar units differ widely in price. Tank size: a 50-gallon tank costs more than a 40-gallon tank. Fuel source: switching fuel, or adding gas lines or electrical circuits, raises the cost. Venting and code upgrades: power venting, expansion tanks and code fixes add parts and labor.

How many plumbers serve St. John's?

We rank 23 plumbers for St. John's, NL by CR Score. Get at least three written quotes for the same scope.

What is usually included in the price?

The new water heater; Labor to disconnect the old unit and connect the new one; Removal of the old unit (often included; confirm on the quote). Always get the scope in writing on the quote.

Sources

Checked October 2026. Figures are estimates, not quotes.

  1. HomeAdvisor: Water heater installation cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; drivers; permit.
  2. Fixr: Water heater installation cost · page updated January 27, 2026 · checked October 2026Used for: Prices by tank size; cross-check: $900 to $3,000, average $1,400 for a gas tank.
  3. Bank of Canada: Daily exchange rates (USD/CAD) · page updated October 20, 2026Used for: Conversion rate 1.4054 CAD per USD.
These are published estimates converted at a stated exchange rate, checked October 2026. They are not quotes. Typical range shown: CA$1,240 to CA$2,570. Editorial policy

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