Page 3 of the Water Heater Costs archive. Return to page one for the full tag description.
For a causes-and-fixes approach, record a baseline bill, usage figure or unit price first, then make one repeatable change and compare the before-and-after result. The goal is to confirm the next decision for hot water use.
For this “what to check first” angle, record a baseline bill, usage figure or unit price first, then make one repeatable change and compare the before-and-after result. The goal is to confirm the next decision for hot water.
Reduce hot-water demand first: fix hot-water leaks, use efficient showerheads where appropriate, wash with cooler settings when suitable and avoid unnecessary standby losses. Keep temperature and maintenance within.