Can i Change My Hot water heater to a Tankless?
When discussing my inspection findings to my clients, I am amazed at how many make the same statement once we get to the hot water heater. “I’m going to change it out to a tankless”.
On demand tankless water heaters have gained much popularity in recent years and with time, more and more will be installed in new construction. But the question is, is it best if you replace a tank water heater with a tankless? There are many things you need to consider before deciding to do this.
Does your home have gas service?
If your house is total electric without any gas service, this may possibly stop you in your tracks when it comes to deciding to alter to a tankless water heater. There are electric models on the market, nevertheless the problem is the a large amount of electrical current they use once they turn on to heat the water. On an average size home, the electrical consumption could be as high as 150 to 200 amps. Here is the same amount of electrical capacity of the entire home therefore it is likely that you’d have to upgrade the electrical service to allow for an electric tankless heater. Of replacing an electric tank water heater with a tankless instead, you may want to consider improving its efficiency first.
One of the ways is to install a hot water heater blanket if it is installed in a garage or other area that gets cold. This will keep the tank warmer and certainly will result in fewer heating cycles that the it goes through and in return will use less electricity. You can install a timer to the electrical wiring also. This real way, you can set the timer to disconnect power to the heater during the night when you are asleep and come back on before you wake so you are not paying to heat the water during the night. Usually do not are expectant of this to truly save a huge amount of electricity considering that the heater will have to heat an entire tank of cold water before you get right up in the morning versus obtaining the heater maintaining the water temperature. If you should be going out of town for a length of time, consider turning the circuit breaker off to the heater which means you are not paying to heat the water when you are not in the home. Another way to truly save money on an electrical tank heater is always to simply turn the water temperature down. Just open the reduced compartment lid on the tank and adjust the thermostat down to 110 – 100 degrees.
Tank heaters are sized by how many gallons of water the tank holds while tankless heaters are sized by gallons flow per minute (GPM). In the event that you install a tankless heater that is too small, your hot water flow will decrease when multiple plumbing fixtures are turned on simultaneously severely. A professional plumber experienced with tankless water heaters should be able to let you know which size of a heater to buy.
What are the costs involved versus the savings?
Gas tankless water heaters do save very well gas consumption but how much? Many tests have been performed to ascertain this and tankless heaters were found to be about 22 percent more energy efficient on the typical. This comes to about $70 – $80 per year on savings. Another installation consideration is the exhaust vent flue piping. As a result of the very high temperatures produced by the tankless heaters, special flue piping shall need to be installed, stainless steel usually.
As an example, the cost of installing a tankless heater was $1900 and the yearly savings on the gas was $75. What this means is it would take 25 years to break even and given that the life expectancy of a tankless heater is 20 years at most, it does not make sense.
Something different to consider when deciding to buy a best tankless water heaters is if you live in a place prone to power outages. Even though gas tankless water heaters heat water using gas as its fuel, it does use a 120 volt circuit to work the electronic controller. If the electric power goes off, you shall not have hot water as you would with a gas tank water heater.
To sum it up, if you are developing a new home from scratch or performing major home remodeling, installing a tankless water heater may possibly be described as a good choice nevertheless when it comes to replacing a tank hot water heater with a tankless, the return on the investment costs is not there just.
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