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money will a water heater timer save?
Answer ... $6-$10 depending on price of electricity and if you also reduce consumptionNo answer fits all households.
Reducing consumption is best way to save. A timer rations hot water and consumption drops. Water consumption drops also.
Family chart for setting water heater timer
A timer saves money. See water heater timers/ electric and gas
There are many other ways to save money, including a timer: Read 9 ways to save with water heater
Save $5-10 per month in future replacement costs by maintaining water heater How to maintain water heater
If home does not have enough hot water, then timer is not best idea: How to increase amount of hot water
General guideline for saving:
If state has peak electric pricing, then savings can be significant, depending on price and consumption pattern. How to wire off peak timer
If state does not have peak pricing, then savings is achieved because scheduling hot water reduces consumption.
Gas water heater timer? See gas water heater timers Gas water heater timer research
How to install meter
Save $70 to $150 per year with electricASSUMING consumption is cut, and effort is made to follow tips shown on 9-ways to save with water heater
Savings can result 1 month of free electricity each year.
Water heater runs less and lasts longer with fewer repairs, fewer backflushes
Also saves cost of water since our consumption drops while using a timer.
The DIY water heater timer project costs $50-120 See Project
Gas water heater timers also save money
Gas water heater timer research pdf
below result from drastically reducing consumption:
How much money do I save? $16.87 in December during cold winter month, less savings during hot summer month
Using timer: $24.37 per monthI put electric meter on my water heater. Flat rate electricity. Two people in the home. Older water heater without foam insulation, and without additional water heater blanket (during testing), and water heater exposed to outdoor temperatures (since my tank sits on back porch).
Washing machine uses cold water only. Dishwasher not connected to hot water line ( I wash dishes by hand after taking shower to use rest of warm water inside tank).
There are many variables to measure and each home will be different.
Insulating water heater and lowering thermostat to 120 degrees will lower the cost. Most water heaters today are set to 120 degrees by manufacturer.
Starting with 50 degree incoming water, and heating water to 135 degrees: When using timer, household consumption for water heater is 6.5 Kwh per day
6.5 Kwh per day x 30 days x flat rate .125 per Kwh = $24.37 per month.
Running water heater full time: approximately $41.25 per monthWhen timer was off: Noticably our usage increased as my wife discovered abundant hot water was available. I increased consumption too.
So the timer actually caused us to consume less. So water heater ON full time caused us to use more hot water.
The washing machine still uses cold water, and dishes are washed by hand.
Other than cost of electricity, behavior is the biggest factor for cost of water heater.
Starting with 50 degree incoming water and heating water to 135 degrees: Full time operation of heater is 11 Kwh per day
11 Kwh per day x 30 days x flat rate .125 per Kwh = $41.25 per month.
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much does it cost to run a water heater:
3 hours is approximate daily run-time for a water heater [depending on usage and temperature of incoming water]
5500 Watts x 3 hours = 16,500 watt-hours or 16.5 Kwh per day
For a full 30-day month <=> 30 days x 16.5 Kwh per day = 495 Kwh per month for water heater electricity
Calculate cost <=> 495 Kwh x $.10 per Kwh = $49.50 + tax
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