Tankless Heater Installation across Vaughan

Is tankless right for your house?

Tankless suits households that keep running a tank dry, homes that want to free up mechanical room space, and anyone planning to stay long enough to recover the higher upfront cost. It is a weaker fit where the gas meter and supply are small, or where nobody wants to do yearly descaling. Our comparison of tank versus tankless weighs both sides plainly.

Sizing

Tankless units are rated by the number of litres per minute they can heat by a given temperature rise. In winter, Vaughan's incoming water is cold, which makes the rise large and output drops. We count the fixtures that might run at once, such as two showers and a dishwasher on a winter morning, and size the unit for that, not for a summer test.

What the installation involves

• Gas supply. Tankless units draw far more gas at full fire than a tank. The line from the meter often has to be upsized. See gas line work.
• Venting. Condensing units vent through PVC to an outside wall, away from windows and the gas meter by required clearances.
• Condensate drain. Condensing units produce acidic water that must go to a drain, often through a neutraliser.
• Isolation valves. A service valve kit on the hot and cold lets the unit be flushed without cutting pipe.

Gas fitting and safety

Gas work in Ontario is done by TSSA-registered contractors with licensed gas technicians. The appliance installation, venting and gas connection must meet the current codes, and the unit is leak tested and combustion checked before we leave.

If you rent your current tank, check the rental contract for removal terms before scheduling; this note explains how those agreements often work.