Water Heater Repair & Installation in Scarborough, ON

No hot water? We provide same-day water heater repair Scarborough homeowners rely on, plus hot water tank replacement, tankless water heater installation, and rental water heater buyouts — licensed, upfront-priced, and done the day you call.

Same-day repair when you have no hot water
Hot water tank replacement, old unit hauled away
Tankless water heater installation & upgrades
Rental water heater buyout & owned replacement
Gas & electric units, TSSA-licensed technicians
Upfront pricing — the quote is the invoice
Water heater repair and installation technician in a Scarborough home

Water Heater Repair Scarborough Homeowners Call First

A water heater rarely fails at a convenient time. It's a cold shower on a January morning in Agincourt, a puddle spreading across a Guildwood basement floor, or a rental tank that's been quietly costing more every year. ASAP Scarborough Plumbing Services provides same-day water heater repair Scarborough wide, hot water tank replacement, tankless water heater installation, and rental water heater buyouts — for gas and electric units, in every type of home from a Wexford bungalow to a Scarborough City Centre condo.

Every call starts the same way: we diagnose the actual fault, tell you whether a repair makes sense or a replacement is the smarter spend, and give you the price before any work starts. Our technicians are licensed, and gas water heater work is done by TSSA-certified gas technicians, as Ontario requires. If your hot water comes from a boiler with an indirect tank — or you're thinking about a combi unit that heats the house and the taps together — see our boiler repair and installation page.

No hot water? Tank leaking? Call (437) 475-2458 for same-day water heater repair in Scarborough — we're available 24/7 for leaks and no-hot-water emergencies.

Water heater repair technician diagnosing a hot water tank in Scarborough

Water Heater Problems We Fix Across Scarborough

Most of Scarborough is on Toronto's moderately hard lake water, and a tank that's never been flushed carries a decade of sediment at the bottom. Add original 1960s–80s gas lines, aging venting, and basement humidity, and these are the calls we get most:

  • •

    No Hot Water at All: A failed thermocouple, gas valve, igniter, or heating element. Usually a same-day repair — unless the tank itself has gone.

  • •

    Not Enough Hot Water: Sediment stealing capacity, a broken dip tube, or one dead element on an electric unit. Showers that go cold in five minutes are the classic sign.

  • •

    Leaking Tank or Fittings: Drips at the T&P valve or connections are repairable. Water from the tank body means hot water tank replacement — before it lets go completely.

  • •

    Rumbling, Popping, Rusty or Smelly Water: Hardened sediment cooking at the bottom, a spent anode rod, or bacteria in the tank. A flush and anode swap often buys years.

  • •

    Pilot Won't Stay Lit / Error Codes: Gas units with a flame-sensor or venting fault, tankless units throwing codes — diagnosed by a TSSA-licensed technician.

Signs It's Time for Water Heater Replacement in Scarborough

  • The tank is 10–12+ years old. Check the serial number date on the label; most tanks don't make it far past that in Toronto water.
  • Water is coming from the tank body, not a fitting. There's no repair for a rusted-through tank.
  • Repairs are stacking up. A second or third service call on an old unit usually costs more than it's worth.
  • You keep running out of hot water even after a flush — the tank is undersized for the household it now serves.
  • You're paying rent on it. If a rental tank is due for replacement anyway, it's the moment to buy out and own the next one.
  • Rusty or rotten-egg-smelling hot water that a flush and new anode rod didn't fix — the tank is corroding from the inside.

Two or more of these on one tank? Replacement is almost always the cheaper path over the next five years.

How a Water Heater Call Works

  1. 1.Diagnose on site. Gas supply, venting, thermostat, elements, anode, tank condition, and age — we check the whole unit, not just the symptom.
  2. 2.Repair or replace — your call, our honest numbers. You get a price for the repair and a price for replacement side by side.
  3. 3.Same-day install when needed. We stock common 40 and 50-gallon gas and electric tanks; most replacements are done the day you call, old unit hauled away.
  4. 4.Tested and code-compliant. Gas connections leak-tested, venting verified, T&P discharge routed properly, and the work covered by our warranty.

Need water heater repair near me today? Call (437) 475-2458

Rental Water Heater Buyout: Keep Renting, Buy Out, or Replace?

A large share of Scarborough homes still have a rental tank from Enercare or Reliance — often inherited with the house, with the monthly charge sitting on the gas or hydro bill for years. It's one of the most common questions we get, and the honest answer depends on three things: the age of the tank, the buyout figure in your contract, and how long you plan to stay.

  • Rental math: Monthly fees over a tank's 10–12-year life typically add up to well beyond the cost of buying a comparable unit outright — and the fee usually rises each year.
  • Buying out an older rental rarely makes sense: you'd be paying to own a tank near the end of its life. Better to return it and install a new owned unit.
  • Buying out a newer rental can be worthwhile if the buyout figure is reasonable — we'll look at the contract with you and tell you plainly.
  • Selling the house? A rental contract transfers to the buyer and can complicate a sale. An owned tank is one less line in the agreement.

When you decide to go owned, we handle the whole switch: disconnect the rental, coordinate the return so you stop being billed, and install a new tank or tankless unit the same day — no gap without hot water.

Tired of the rental fee? Call (437) 475-2458 and we'll run the numbers on a rental water heater buyout versus a new owned unit.

New owned hot water tank replacing a rental water heater in Scarborough
Tankless water heater installation in a Scarborough home

Hot Water Tank or Tankless Water Heater Installation?

Replacing a unit is the moment to choose the right type, not just the same type. Both are good options in Scarborough — they suit different homes.

Conventional Hot Water Tank

Lower upfront cost, simple, and a like-for-like swap takes a few hours. Right choice for most bungalows and townhomes, and whenever the budget matters more than the footprint. Gas or electric, 40 or 50 gallon, sized to your household.

Tankless (On-Demand) Water Heater

Endless hot water, a unit the size of a suitcase on the wall, and a longer service life. Costs more to install — it often needs a larger gas line and new venting — but pays back in a busy household or a home where the tank is eating closet space. Tankless water heater installation Scarborough homeowners book with us is done by TSSA-licensed gas technicians.

We'll size either option for your household and gas supply and give you both prices so the decision is yours.

Repair or Replace? A Straight Answer

We fix what's worth fixing and tell you when it isn't. Here's the rule of thumb our technicians use on every Scarborough visit.

Repair usually makes sense when…

  • ✓The unit is under about 8–10 years old
  • ✓One part has failed — valve, element, thermocouple, igniter
  • ✓Nothing is leaking from the tank body
  • ✓The repair costs a fraction of a new unit

Replacement is the smarter move when…

  • ✓The tank is 10–12+ years old
  • ✓Water is leaking from the tank itself
  • ✓Rusty water or repeat breakdowns
  • ✓It's a rental you've been paying on for years

Why Scarborough Trusts Us for Water Heater Installation

  • Same-day water heater repair and replacement across Scarborough
  • TSSA-licensed gas technicians for every gas tank and tankless job
  • Repair price and replacement price quoted side by side — no pressure
  • Rental buyout and return handled for you, no gap without hot water
  • Old unit hauled away, work area left clean, warranty on labour
Completed hot water tank installation in a Scarborough basement

Water Heater Repair & Installation in Scarborough — FAQ

How fast can you fix a water heater with no hot water?

A no-hot-water call in Scarborough is usually fixed the same day. Our vans carry thermocouples, igniters, elements, thermostats, and gas valves for common units, so most repairs are finished in one visit. If the tank itself has failed, we stock standard 40 and 50-gallon gas and electric tanks and can replace it the same day in most cases.

Should I buy out my rental water heater from Enercare or Reliance?

Whether to buy out a rental water heater depends on its age and the buyout figure in your contract. Buying out a tank that's already 8–10 years old usually isn't worth it — you'd own something near the end of its life. The better move is often to return the rental and install a new owned unit, which stops the monthly fee for good. For a newer rental with a fair buyout price, keeping it can make sense. Bring us the contract and we'll do the math with you, no pressure either way.

Do I need a TSSA-licensed technician for a gas water heater in Ontario?

Yes — in Ontario, anyone connecting, repairing, or replacing a gas-fired water heater must hold a TSSA gas technician certificate. It's the law, and it's also what protects you from gas leaks, carbon monoxide from bad venting, and a voided warranty or insurance claim. All of our gas water heater work in Scarborough is done by TSSA-certified technicians, and we leak-test every connection before we leave.

How much does water heater replacement cost in Scarborough?

Water heater replacement cost in Scarborough depends on the type and size of unit, gas versus electric, whether venting or gas line changes are needed, and whether a rental is being returned. A like-for-like tank swap is the most affordable option; a tankless conversion costs more upfront. We give you an all-in quote on site — unit, installation, removal of the old one, and cleanup — before any work starts, and the quote is the invoice.

Is a tankless water heater worth it for a Scarborough home?

A tankless water heater is worth it when you have a busy household that runs out of hot water, want to reclaim the space a tank takes up, or plan to stay long enough for the lower running costs and longer lifespan to pay back the higher install price. It's less compelling for a small household on a tight budget, where a conventional tank does the job for less. We'll check your gas line capacity and venting route and give you both prices.

How long does a hot water tank last, and how do I make it last longer?

A hot water tank in Scarborough typically lasts 10–12 years; tankless units run longer. To stretch that, have the tank flushed every year or two to clear sediment from Toronto's moderately hard water, and have the anode rod checked and replaced when it's spent — it's the part that sacrifices itself so the tank doesn't rust. Both are quick, inexpensive jobs we can do on any service visit.

ASAP Scarborough team ready to help

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What Scarborough Homeowners Say About Our Water Heater Service

★★★★★

2026-01-15

Victor A.

"No hot water on a −18 morning in Agincourt. Searched water heater repair near me, ASAP was here before noon. Thermocouple swapped, hot water back, invoice matched the quote."

★★★★★

2026-02-03

Josh T.

"Been paying rental on a tank in our Wexford house for 11 years. They showed me the math, returned the rental, and installed an owned 50-gallon the same day. Should've done it a decade ago."

★★★★★

2026-02-24

Noah B.

"Tank started leaking from the bottom in our Guildwood basement. Shut it off, called, and they had a new one in that afternoon. Hauled the old one out, left the floor clean."

★★★★★

2026-03-19

Tom K.

"Switched to tankless in our Malvern townhouse. They upsized the gas line and ran new venting — all TSSA-licensed, explained every step. Three teenagers, never run out now."

★★★★★

2026-04-28

Leo R.

"Thought our Cliffside tank was done because showers went cold fast. Turned out to be a broken dip tube — fixed for a fraction of a replacement. Honest people."

★★★★★

2026-06-10

Sofia M.

"Rusty, smelly hot water in our Birch Cliff bungalow. They flushed the tank and replaced the anode rod on one visit. Water's clear again."

★★★★★

2026-08-21

Anthony D.

"Looked up hot water tank replacement near me for our Scarborough Village rental property. Quote by phone, installed next morning, tenant happy. Easy to deal with."

★★★★★

2026-10-06

Amir H.

"Pilot kept going out on our gas tank in L'Amoreaux. Technician found a venting issue the previous installer missed and fixed it properly. Glad we called before winter."

Scarborough Neighbourhoods We Serve

  • Agincourt
  • Birch Cliff
  • Clairlea
  • Cliffside
  • Eglinton East
  • Golden Mile
  • Guildwood
  • Highland Creek
  • Ionview
  • Kennedy Park
  • L’Amoreaux
  • Malvern
  • Milliken
  • Morningside
  • Port Union
  • Scarborough Bluffs
  • Scarborough City Centre
  • Scarborough Junction
  • Scarborough Village
  • Tam O’Shanter–Sullivan
  • Woburn
  • West Hill