what is the difference between a regular water heater and a tankless water heater?
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A traditional tank water heater will continuously store and heat water during those hours you don't need hot water — it uses precious energy and burns money from your household budget. A tankless heater brings that hot water on demand. It stops running when you don't need it — they're designed to save energy.
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Tankless: Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. ... Banta says it's worth noting that while gas water heaters are less expensive to operate, it's due to the lower cost of natural gas and not because they're necessarily more efficient.
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Due to the cost of installation, tankless water heaters are more expensive upfront than traditional models. Once you factor in annual energy savings and the fact that you have to replace a tankless water heater half as often as a traditional unit though, you may find that it is less expensive in the long run.
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Tankless water heaters heat water directly without the use of a storage tank. When a hot water tap is turned on, cold water travels through a pipe into the unit. Either a gas burner or an electric element heats the water. ... Gas-fired tankless water heaters produce higher flow rates than electric ones.
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Architects and engineers understand that when a tankless water heater reaches the end of its life it will likely leak, just like a tank. Even though the leak is substantially less than a tank, containing the water and conveying it safely away can save thousands of dollars in property damage.
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The good news is that tankless water heaters don't require much maintenance, either. A tankless system should be serviced as a part of the regular preventive maintenance that heating and cooling systems receive. Electric or gas components should be inspected.
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Unfortunately, the average electric tankless water heater needs at least 120 amps to operate and the average household's total capacity is 200 amps.
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Checking the water heater's reset switch is the very first thing to check. The market gives you many models of tankless water heaters, but it's typically a red button on the upper thermostat of your electric water heater. In some situations, you may need to remove a small panel for reaching it.
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Generally, instant water heaters only consume electrical energy when in use, so they tend to cost less to operate. Conversely, because storage water heaters take more time to heat up, they tend to consume more electrical energy, which may lead to higher electrical operating cost.
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For safety reasons, some homeowners do not feel comfortable using natural gas or propane to power any of their household needs. In such instances, an electric tankless water heater is a better choice for peace of mind. ... On the other hand, gas tankless water heaters generally have an energy factor of less than 85%.
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Tankless: Gas and electric tankless water heaters run more efficiently than the conventional water heaters of the same fuel type. We rated the annual energy consumption cost Excellent for a gas model but only Fair for an electric, but both rate Very Good for energy efficiency.
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Tankless water heaters are much smaller than units with a storage tank, allowing them to be wall-mounted. Electric units have measurements in the 10-inch high to 7-inch wide range while gas-fired units have measurements in the 30-inch high by 20-inch wide range.
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The U.S. Department of Energy estimates gas-fired tankless heaters save an average of $108 in energy costs per year over their traditional tank counterparts, while electric tankless heaters save $44 per year. ... Rewiring your house can easily add as much as $5,000 to the cost of installing a tankless water heater.
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Tankless water heater do not have anode rods as they do not have a holding tank meaning they pair very well with soft water. ... Also in order to power an electric tankless, you need to have additional electrical work done. The power to run a standard electric water heater tank is not enough to power a tankless.
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A water heater is a storage tank that, yes, heats water. The heat is either produced by burning gas or by using electricity. ... A boiler, on the other hand, can heat water that is used to heat the home and provide hot water. A different type of boiler can heat the water to the point it turns into steam.
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Tankless water heaters will all make some noise when starting up and heating water, but the noise levels are usually reasonable and not cause for concern. ... Another common problem that can create noise in tankless water heaters is a dirty flow sensor which controls how much gas is sent to the unit.