M. Chauffe-Eau GL

The hot water tank guide

The questions people type into Google when the hot water tank acts up, with answers you can check. Each article answers one question, names its sources and tells you when to call.

The M. Chauffe-Eau GL mascot: a mustached hot water tank in a flat cap with a pipe wrench on his shoulder

Read first. Call after.

Emergencies and breakdowns

It is leaking, or the water is cold. Start here.

Hot water tank leaking from the bottom

The three things to do right away, then how to tell whether the water comes from the relief valve, the drain valve, a fitting or the tank.

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No hot water

Breaker, red reset button, power outage, lower element: five checks, in order, before you call.

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24/7 emergency service

Leaking right now? The emergency service, day and night, weekends too.

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Hot water tank repair

When the tank itself is still sound, an electric hot water tank can be repaired.

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Rusty water, smells, temperature

When the hot water comes, but not the way it usually does.

Lukewarm water, showers that end cold

When an element is to blame, it is the lower one nine times out of ten, according to Giant. The explanation is in the no hot water article.

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Water too hot, red button tripping

The high-limit switch cuts the element when the water gets too hot. What it is trying to tell you is explained in the same place.

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Rusty water on the hot side

Rust in the hot water can come from a spent anode rod or a tank that is rusting. The end-of-life signs are in the lifespan article.

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A rotten-egg smell

According to Giant, it is a reaction between the magnesium anode and hydrogen sulphide dissolved in the water, common with well water. It can often be fixed without a new tank, and the lifespan article explains how.

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Choosing, replacing, paying

Before you sign anything.

Renting vs buying a hot water tank

What a rental costs, what an installed purchase costs, and the ten-year math, with every assumption written down.

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How long does a replacement take?

Installation day, what can stretch the job, and how long before you have hot water.

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Hot water tank replacement

Giant electric hot water tanks, 40 and 60 gallon, sold and installed.

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Commercial and multi-unit

Hot water tanks to replace in a business or a building.

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Age, insurance and Quebec rules

What your insurer looks at, and why.

Hot water tank age and home insurance

Why several insurers ask for a replacement after 10 or 12 years, and how to find the age on the rating plate.

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How long does an electric hot water tank last?

How many years in practice, what wears it out, and the signs it is near the end.

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Who writes this guide

The articles are written by Giovanni Del Santo. The articles rely on manufacturers' manuals, Hydro-Québec's pages and insurers' pages. Every source is named, with the date we checked it, at the bottom of the article.

A question the guide doesn't answer?

Call M. Chauffe-Eau GL, open 24/7 in Montreal, Laval, the North Shore and the South Shore. Or send a photo of the rating plate, and we'll get back to you with a price in under an hour.