How Much Energy Does a Water Heater Use? 

Your faucets, showerheads and plumbing appliances use plenty of hot water. In fact, the Department of Energy provinces that water heating is the second-largest utility cost behind space heating and cooling, accounting for about 18% of your monthly bill. Find out more about how much energy an average water heater uses and helpful tips to decrease your water heating costs. 

How Much Electricity Does an Electric Water Heater Use? 

The total cost to run an electric water heater is determined by the size of the unit, how much you use it, its power needs and what you pay for electricity. For instance, a medium-sized, 40-gallon water heater that draws 4500 watts and is active for just two hours a day at a rate of $0.13 per kilowatt-hour (kWh) costs about $1.17 to operate per day, which approaches $35 each month or $426 each year. 

How Much Natural Gas Does a Gas-Fired Water Heater Use? 

If your water heater runs on natural gas, you need to consider the size of the unit, how much you use it, its power draw and the price for natural gas. For example, a medium-sized, 40-gallon water heater that uses .205 therms per hour and is active for two hours per day at a cost of $1 per therm costs about $0.62 to operate per day, which is roughly $18.60 monthly or $226 each year. 

Gas vs. Electric Water Heater Costs 

As you can determine from the examples above, gas water heaters usually cost less to use than equivalent electric models because natural gas prices are likely to run lower than electricity costs. Fine-tune the calculations with your exact energy usage and rates to create a more accurate picture of gas vs. electric water heater expenses. 

Tips to Reduce Your Water Heating Bills 

Whether your water heater runs on electricity or gas, you can cut your utility costs with these money-saving suggestions. 

Change Your Hot Water Habits 

Consider that every time you turn on a hot water tap, you must pay to heat it. Modify your everyday habits to reduce costs. Here’s how: 

  • Take quicker showers.  
  • Only use the dishwasher and washing machine with full loads.  
  • Minimize pre-rinsing dishes before placing them into the dishwasher. 
  • Launder your clothes in cold water as much as possible. 

Repair Plumbing Leaks 

Leaky faucets, showerheads and pipes can waste large quantities of hot water. For example, one drip per second can waste as much as 1,600 gallons each year. Eliminate this waste by handling plumbing leaks as soon as you identify them. 

Install Low-Flow Faucets and Showerheads 

Modern rules require new showerheads to consume 2.5 gallons per minute (gpm) or less while kitchen faucets are limited to 2.2 gpm. A new set of bathroom faucets must have flow rates below 1.5 gpm. 

You can find quality, low-flow kitchen and bathroom fixtures for about $10 to $20 each, resulting in up to 60% savings on water use. Search for the ENERGY STAR® WaterSense label to increase efficiency without negatively influencing performance. 

Turn Down the Water Heater Temperature 

The standard setting is 140 degrees. Lower this to 120 degrees to save on water heating costs and minimize the possibility of scalding at the tap. Just don’t go any lower than 120 degrees to avoid microbial growth in the tank. 

If your water heater doesn’t include a temperature readout, determine the setting with a thermometer at the bathroom or kitchen faucet. Adjust the water heater’s dial, wait two hours and check the water’s temperature. Repeat this process until the thermometer shows 120 degrees. 

Add Insulation 

Both electric and natural gas water heaters can be insulated with special jackets available at home improvement stores. Be mindful to install the jacket correctly to avoid creating a dangerous operating situation. When in doubt, ask a professional for help. When the tank is insulated, add insulation around the hot and cold pipes coming from the water heater to help things heat up faster at the faucet. 

Buy More Efficient Equipment 

If the water heater is nearing the end of its life span, consider replacing it with an ENERGY STAR-rated model. A tankless water heater is another option. This upgrade can save up to 34% on your water heating bills by heating water on demand and getting rid of standby heat loss. Save even more by replacing your hot water appliances with high-efficiency models, including the dishwasher and washing machine. 

Schedule Water Heater Services with an Expert 

A1 Chesney Service Experts is your source for dependable, affordable water heater services in North America. Our highly trained technicians can fulfill any water heater repair or replacement request that comes our way. We offer top products from today’s best brands, including conventional tanks as well as tankless models, to suit your needs while staying within budget. To learn more, please contact your local A1 Chesney Service Experts office today. 

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