Hot water
Sizing hot water tanks, why smaller is often smarter
...standby loss
A 60-gallon gas-fired tank is essentially a giant tea kettle kept on a low simmer 24/7. Even with modern insulation, the large surface area allows heat to escape. When you switch to a smaller electric unit, you eliminate the 'stack loss' (heat escaping through the gas vent) and reduce the radiant surface a...
