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The Case for Tankless Water Heaters

by:Yatai     2019-12-13
One day, no. too-
In the distant future, the familiar water heater tank may become a relic of the past, led by a technology that makes more sense to today\'s family. -
Water heater without water tank.
The problem with the traditional water heater is that it keeps a large water tank about 120 degrees Fahrenheit and 24/7 for 24 hours.
Heating water not used--
Especially in the early hours or at work--
A lot of energy is wasted.
In addition, the hot water in the tank will be used up.
When someone washes a long shower or runs a washing machine before you take a shower, you get exhausted by the cold shower. [
READ: How to save money when you buy the next water heater. ]
As its name implies, there is no water tank for a water tank-free water heater, as it does not store hot water like a traditional water heater.
Instead, when you turn on a heat-
The faucet or appliance, cold water is cycled through the heat exchanger, in which a powerful gas burner or electric heating coil heats the water to a fixture or appliance.
It only uses energy when you turn on the hot water.
DOE estimates that it can save up to 34% of household water due to no water tank water heater and no storage of hot water
Heating energy is equivalent to reducing electricity costs by $100 or more per year.
Tank-free water heaters are used longer than storage water heaters because they do not store minerals
Over time, the water is full of corrosion.
The life expectancy of most tank-free water heaters is 20 years or more, while that of traditional water heaters is 10 to 13 years.
They can also maintain energy efficiency, while storing water heaters Bake corrosive minerals to the bottom of the surface inside the tank, ultimately reducing efficiency.
Because you can replace the part if the part fails, the life of the tank-free water heater can be further extended. Tank-
Instead, when the water heater starts leaking, it goes into the landfill because you can\'t replace the water tank that has deteriorated.
To ensure the longest service life when purchasing a water heater without water tank, please check the warranty.
Heat exchangers are the most vulnerable components.
The warranty period for Heat Exchangers is generally 5 to 12 years.
Another advantage of tank-free water heaters is their size-
They are much smaller than traditional water heaters.
Most water heaters without water tanks are flat, suitcases-
The size box mounted on the wall saves valuable space. [
SEE: 10 ways to save energy and reduce household electricity bills. ]Gas or electricity? Most whole-
The domestic tank-free water heater is gasfired (
Natural gas and liquid propane)
Because the gas unit heats hot water faster than the electric mode.
Electric water heater without water tank is very popular, suitable for single fixture or bathroom far from main water heater-
When close to the fixture, the heater can eliminate long-standing waiting hot water that wastes energy and water itself. Whole-
Household electric models are made for homes that are not practical or have no gas.
To maximize efficiency, choose a gas model that starts with an intermittent ignition device, similar to a spark ignition, rather than an indicator light.
When a tank-free water heater never runs out of hot water, its hot water flow is reduced.
In other words, if you turn on too much heat-
Shower or appliances at the same time, you will get warm water.
To avoid this problem, buy a water heater without water tank, which can generate enough flow to meet the needs of your family.
The flow of the tank-free water heater is expressed in gallons per minute.
Measured in British thermal units, the flow rate is a factor in the unit heating capacity.
The greater the BTU rating, the higher the unit flow rate.
In most cases, it takes about 31,000 BTU to deliver 1.
Hot water 2 GPM but this varies depending on the equipment design and inlet temperature-
The colder the water, the more heat it needs.
Because the language of \"flow rate\" and \"BTU\" may confuse consumers, most manufacturers indicate that the number of fixtures or showers per model will be available at the same time in the home.
For example, a unit that heats the 4 GPM can provide a sink and a shower. A 6-
The GPM model offers two showers at the same time.
If you have a washing machine, dishwasher and more than one shower in your home, either you need to buy a model with a very high flow rate, stagger the use time or purchase multiple tank-free water heaters.
Heating your own water in a dishwasher or washing machine can help reduce the need for hot water.
When comparing tank-free water heaters, check the efficiency level as well--
An overall measurement of each device converting energy into heat.
Efficiency ratings typically range from 78 to 87%. [
See: 9 easy ways to improve your home\'s containment appeal. ]
The cost of efficiency most tank-free water heaters cost more than storage water heaters. Whole-
The prices of water heaters without water tanks range from $500 to $1,200, while similar water tanks-
The price of the water heater is usually between $400 and $1,000.
However, in the long run, you may get a better return on your investment, as the tank-free water heater is used twice as long as the storage water heater, pay for yourself with the energy saved over the years.
When you add or build a new water heater at home, it makes the most sense to install a water heater without a water tank as you can plan and provide the necessary hooks
There are very few additional charges for Ups and utilities.
But it might be a different story to transform a tank-free water heater into an existing home.
Because there are different plumbing, electrical and ventilation requirements for tank-free water heaters, you can\'t just change the tank-free water heater to a traditional one.
Installation can be significantly increased-front cost.
For example: you can\'t usually connect a gas tank-free water heater to the vent of the old water heater.
The vents it needs are usually greater than or different from those required by traditional water heaters.
Be sure to check the ventilation requirements before purchasing a specific model.
Proper ventilation is essential for the safety of your family.
If it is not easy for your home to accommodate a standard vent, you can investigate a \"low
Nox \"tank-free water heater ventilated through walls or outside-
No installation model of vent is required.
Finally, a small drawback of the new tank-free water heater is that you need to pay close attention to your water usage.
With a steady stream of hot water, you may never want to take a shower.
Don Vandervort offers more expert water heater advice at HomeTips. com.
Founder of Don Vandervort HomeTips.
Com, the leading home improvement consulting website.
Don wrote a lot of home improvement books for MSN.
He also served as the host of the program on HGTV.
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