Water heaters
Tankless water heater installation in Toronto
A tankless heater can suit a Toronto house well, as long as it’s sized for January water temperatures rather than July’s and installed with the gas supply and venting it needs.
or dial (365) 363-3352Answered day and night
- Gas supply
- Venting
- Condensate
- Service valves
A price before we startNothing cut or opened until you say yes.
- Licensed & insureddetails confirmed on the call
- Phones answered 24/7a person, not a queue
- Price before we startcall-out rate on the phone
- Old Toronto & East Yorkhouses, condos, businesses
How tankless heaters work
Instead of keeping a tank of water hot around the clock, a tankless (on-demand) heater fires a burner when you open a hot tap and heats the water as it flows through a heat exchanger. Close the tap and it shuts off.
Signs you need tankless water heaters
- Hot water runs out faster than it used to
- Popping or rumbling from the tank
- Hot water that runs brown or smells of eggs
- Pilot will not stay lit
- A puddle forming under the tank
Is tankless right for your home?
| Good fit | Think twice |
|---|---|
| You run out of hot water with a tank | The gas meter and supply are already near capacity |
| You want the basement space back | There’s no practical route for wall venting |
| You plan to stay in the house for years | The lowest upfront cost matters most |
Sizing for a Toronto winter
A tankless heater is rated by how much it can raise the water temperature at a given flow. In winter, the water coming into Toronto homes is far colder than in summer, so the heater works much harder. We size for the coldest months and for the showers and appliances you actually run at once. An undersized unit gives lukewarm showers exactly when you want them hottest.
What installation involves
- Gas supply: a tankless heater burns gas at a high rate when it fires, so the line from the meter often needs upsizing.
- Venting: most units vent through the side wall, kept the required distance from openings and from the gas meter.
- Condensate: high-efficiency units produce acidic condensate that needs a drain, usually with a neutralizer.
- Service valves: we install isolation valves so descaling the heat exchanger needs no pipe cutting pipes.
Maintenance
Because Toronto’s water is moderately hard, scale builds up in the heat exchanger. Descaling every year or two keeps the unit efficient and protects the warranty. We also clean the inlet filter and check the venting and condensate line.
Prefer a tank? See water heater repair and installation.
On the job, step by step
- 1Read the plate
Age, size, venting type and fuel taken off the rating label.
- 2Test the controls
Thermocouple or element tested with a meter, gas valve and draft checked.
- 3Drain and swap
Tank drained to the floor drain, connectors and T&P line replaced.
- 4Fire and check
Burner lit, flue draft and leak checks done, temperature set before we leave.
Questions we get about tankless water heaters
Will a tankless heater lower my gas bill?
It avoids the energy a tank spends keeping water hot when nobody is using it, so many homes see savings. How much depends on your hot water use and on the heater you’re replacing.
Do tankless heaters work in a power outage?
No. They need electricity for the controls and venting fan. Some tanks with a standing pilot can still give hot water during an outage.
What is a combi boiler?
A single wall-hung unit that heats both your radiators or in-floor heating and your tap water. It can make sense when a boiler and water heater both need replacing.
Thinking about tankless? Call to talk it through.
A plumber answers day and night, and the call-out rate is quoted before anyone drives over.