
Tankless water heaters, honestly: what the sales pitch leaves out and what the math actually says
Endless hot water, lower bills, wall-mounted minimalism — the tankless pitch is seductive and partly true. Here is the honest engineering and economics, from gas venting to cold-water sandwiches, for homeowners and the plumbers who have to advise them.
By Marcus Ojo, Technology Correspondent · · 12 min read





