No hot water
Nothing warm at the tap, or the tank runs cold within minutes. Often a pilot, thermostat, gas valve or heating-element issue.
Water Heaters / Tank Water Heater Repair
Tank Water Heater RepairCareful diagnostics and dependable repairs for gas and electric tank water heaters across Toronto and the GTA.
— Common Tank Water Heater Problems
Symptoms we diagnose across GTA homes.
Tank water heaters tend to fail in predictable ways. These are the issues we're most often called out to across the GTA.
Leaks
Water pooling under or beside the tank. Some leaks are fittings that can be repaired; a leaking tank itself usually means replacement.
Pilot light
Pilot won't stay lit or won't ignite. Common causes include a bad thermocouple, dirty pilot assembly or a failed gas valve.
Thermostat
Water too hot, not hot enough or wildly inconsistent — often a thermostat that's drifted or failed.
Heating element
On electric tanks, a failed upper or lower element is a very common cause of lukewarm or no hot water.
Pressure relief valve
A dripping or discharging T&P valve can point to pressure, temperature or expansion issues — worth diagnosing properly, not just capped.
Sediment buildup
Years of minerals settle at the bottom of the tank, reducing capacity, hurting efficiency and shortening tank life.
Strange noises
Rumbling, popping or knocking is often sediment boiling at the base of the tank — a sign the tank needs flushing or attention.
Discoloured or smelly water
Rusty, cloudy or sulphur-smelling hot water can point to a failing anode rod or interior tank corrosion.
— Our Diagnostic Process
Diagnosed properly, before it's repaired.
Water heater work rewards patience. Every service call follows the same steady process — whether it's a pilot fault or a deeper tank issue.
- 01
Inspection
A careful visual review of the tank, burner or elements, gas or electrical supply, venting and connections.
- 02
Testing
Thermostat operation, element resistance, gas valve behaviour and pressure relief valve tested in real conditions.
- 03
Diagnosis
A clear, plain-language explanation of what's happening — and why.
- 04
Repair options
Honest options with the trade-offs of each explained, including when replacement is the better call.
- 05
Transparent pricing
Written pricing before any work begins. No surprises when the invoice arrives.
- 06
Verification after repair
Hot-water delivery, temperature and safety devices confirmed before we leave.
— Why Homeowners Choose Proper HVAC
Water heater work done properly.
Water-heater-literate technicians
Comfortable with tank and tankless systems — gas, electric and power-vent — from major manufacturers.
Clear communication
Plain-language explanations of what's happening and what to do next.
Careful workmanship
Clean installs, tidy work and a proper check before we leave.
Respect for your home
Boot covers, drop cloths and thoughtful protection of your finishes.
Repair-first philosophy
We fix what can be fixed and only recommend replacement when it's genuinely the better choice.
Honest recommendations
The work your water heater actually needs — nothing added, nothing exaggerated.
— FAQ
Frequently asked questions.
What Toronto homeowners ask us most often about tank water heater repairs.
Still not sure? Contact us and we'll help you decide the right next step.
No-hot-water calls typically come down to a pilot or ignition fault on gas tanks, a failed heating element or thermostat on electric tanks, a tripped high-limit switch, or a gas or power supply issue. A technician can identify the exact cause quickly.
Not always. Leaks at fittings, drain valves or the T&P valve can often be repaired. A leak from the tank itself, however, usually means the interior lining has failed and replacement is the safer path.
Most often a failing thermocouple or dirty pilot assembly, and sometimes a draft or venting issue. In some cases, a gas valve is at fault. We diagnose before replacing parts.
On electric tanks, a failed heating element (usually the lower one) is the most common cause. On gas tanks, it's often a thermostat that's drifted, sediment insulating the burner or a partially plugged burner.
That's usually sediment at the bottom of the tank boiling as the burner or element heats water underneath it. Flushing the tank helps early on; heavy buildup shortens tank life.
Tanks under about 8 years old with a minor repair are usually worth fixing. Tanks 10–15+ years old with a significant issue — especially leaks from the tank itself — are typically better replaced.
Yes. We service natural-gas, power-vent and electric tank water heaters from major manufacturers.
Most tank water heaters last 8–15 years, depending on water quality, maintenance and usage. Regular flushing and anode-rod checks extend that meaningfully.
Proper HVAC provides tank water heater repair for homeowners throughout Toronto and the Greater Toronto Area, including Etobicoke, North York, Scarborough, York, Vaughan, Richmond Hill, Markham, Mississauga, Oakville and Brampton.
— Get Started
No Hot Water?
Book a repair visit, ask about a tank or tankless replacement, or join ProperCare for ongoing peace of mind.
Or call 416-580-HEAT (4328)