Category Plumbing

Tankless Water Heaters in Ontario: When They Make Sense, When a Heat Pump Water Heater Beats Them, and Sizing for a Real House

Tankless Water Heaters

A gas tankless (on-demand) water heater heats water only when a tap opens, so it has no standby loss, lasts 20 years, mounts on a wall and never runs out, and a condensing unit is 94 to 98 percent efficient. Installed in a new Ontario house it costs $3,500 to $6,500, more if the gas line and venting