There is a lot of talk about the benefits and drawbacks of tankless water heaters verses storage tank water heaters. Water Heater Repair Escondido is going to begin a discussion on tankless heaters today, explaining some of the claims and talking about the realities. They have benefits and drawbacks over standard water heaters and it might simply depend upon what ones certain use needs are that will identify which kind of the proper one for ones house.
The standard concept of making use of a tankless water heater is among being energy efficient. Water is heated as it is used, and not stored in the large tank of a traditional water heater, regularly heated so it is all set whenever it is to be made use of. Likewise, since they can hang on the wall and use up practically no space at all, they are really useful.
Since tankless water heaters do require 240 volts of electricity and approximately 160 amps to set up, one could need to have ones electrical box upgraded to accommodate the power need of the device. For instance, and not to get extremely technical here, a traditional tank water heater has around a 4500 watt heating element, verses four, 7000 watt elements of a whole-house tankless one.
As for efficiency, According to the Partnership for Advancing Technology in Housing (PATH), and supported by Housing and Urban Development (HUD), “further testing is needed to determine if electric tankless water heaters will match the efficiency of tank-type heaters.”
Tankless systems are sized by the flow rate measured in gallons per minute (GPM). One will should identify when and what ones greatest demand of hot water is to correctly identify the finest size device to get.
Here is the formula for figuring this out from Keltec Inc:
Flow rate (GPM)
Temperature rise ( T ºF)
To determine the size and kilowatt rating you need, apply this formula:
“The result of this formula is the maximum kW needed to accomplish your project requirements for on-demand heated water. Other media will vary slightly. This formula is a nearly universal method of calculation for energy input to yield temperature at required water flow.”
Water Quality on the Tankless System
The quality of the water one has at home should be examined also in order to get the most out of a tankless water heater. If ones water is high in mineral content, like calcium, they will build up on the coils in time and minimize the life span of the unit. If the water hardness at ones house is above 11 grains per gallon, a water softener would be recommended. Producers do include de-liming directions and normally have a caution light on the unit to identify when this should be done. However, bear in mind what the makers service warranty covers. If it is simply against producer’s defect, this will not cover any repairs needed due to ones water quality. In ideal conditions, a tankless system will last much longer than a standard water heater, which can assist validate the higher initial product cost and installation expenses, however one will should bear in mind keeping it running properly to make back ones financial investment.
Service and Repair Costs
These expenses are usually higher for a tankless system than a traditional water heater, just to have a heads up. Lots of people generally do not have their standard water heater services too regularly (unfortunately) however it is suggested to have a tankless unit expertly serviced once a year.
Instantaneous Hot Water
This must not be that huge of a deal, but though manufacturers do market instant hot water. Clearly one recognized that it takes a minute for the hot water being heated instantly to travel through ones hot water pipe to the faucet or shower. Though, if one is just using the faucet a little the tankless heater’s burner might not ignite if the faucet is not opened up more. For instance, a flow rate of .5 gallons to 2 gallons per minute is needed for electric tankless heaters to heat water.
Depending on the quantity of hot water one needs at the very same time, more than one system will require to be installed. This is easy to do, but certainly increases the equipment expenses in the process.
Equipment and Set Up Costs
A typical cost range for tankless heaters is around $800 to $1200. A common tank water heater it is around $300 to $500. Set up costs are about $1200 and $300 respectively then too. One will, once again, probably require an electrical upgrade, as well as a different gas pipe setup (if making use of a gas tankless heater), and a brand-new ventilation system. A benefit of replacing ones water heater with a system similar to the existing one is many of these upgrades will not be needed – they are currently st up.
Benefits of Going Tankless
No stored water, which in itself has a number of benefits. First, if there was to be a leak with a tank heater, there can potentially be water damage to ones house. Also, one need to flush the tank at least when a year to keep mineral build up reduced, however there is the potential for stinky water odor, bad tasting water, and the development of legionella bacteria in the tank if it is not at a adequate temperature level. Conventional water heaters use up a lot more space too.
The previous video shows the advantages of tankless water heaters and this video expresses some of the drawbacks of tankless water heaters:
Here is what Consumer Reports has found: “Gas tankless water heaters, which use high-powered burners to quickly heat water as it runs through a heat exchanger, were 22 percent more energy efficient on average than the gas-fired storage-tank models in our tests. That translates into a savings of around $70 to $80 per year, based on 2008 national energy costs. But because they cost much more than storage water heaters, it can take up to 22 years to break even longer than the 20-year life of many models. Moreover, our online poll of 1,200 readers revealed wide variations in installation costs, energy savings, and satisfaction.”
The Center for Energy and Environment says that “A 37% savings of water heating energy per household was found for replacing a typical natural draft storage water heater with a tankless one. However, this savings was not enough to offset the high incremental cost resulting in paybacks from 20 to 40 years.”
Finally, the National Rural Electric Cooperative Association concludes that “Tankless water heaters generally aren’t as energy efficient as well-kept tank water heaters. Insulation, temperature setback, timers, and heat traps can all lower energy costs with tank water heaters.”
One point to weigh is that indeed, tankless systems will utilize less gas than a traditional gas water heater which does have its environmental advantages. Nevertheless, a lot of electrical power is made use of, for electricity takes longer to heat water than gas. And, the majority of electrical power is produced from burning fossil fuels.
Similar to any kind of technology, the field of water heating is ever developing. Efficiency advances are increasing with standard gas and particularly electric storage tank water heaters. There are various advantages with tankless and traditional heaters that one will need to consider. Do not think twice to let Water Heater Repair Escondido know of any concerns you could have in the choice process.
Check out our Escondido Winter Water Heater Precautions post too!