DIY & Home Improvement

with the same thing may save you about $40 month depending on how much sediment has amassed in the bottom of the tank. Homes on well water tend to get a lot of deposits in the tank which actually cover up the heating element. Think of it like putting a towel on top of something you are ironing - not as much heat gets there. As a result the water heater stays on for a long time before making the water hot enough to turn off.

eta: previously, wrapping water heaters was thought to be effective. It turned out that no savings were had, but in addition the wrapping created more problems - particularly small leaks would go undetected resulting in corrosion and other problems. Part of our renovation/refurbishment proceedures at a 500 unit was to remove the insulation on a water heater if the elements and thermostats were otherwise working correctly. I think you will be surprised at how much less your next power bill will be.