There is a great deal of talk about the pros and cons of tankless water heaters verses tank water heaters. Water Heater Repair Long Beach is going to start a discussion on tankless heaters today, mentioning a few of the claims and going over the realities. They have benefits and downsides over conventional water heaters and it may simply depend upon exactly what ones particular usage requirements are that will identify which sort of the right one for ones home.
The basic concept of utilizing a tankless water heater is one of being energy efficient. Water is heated up as it is utilized, and not stored in the large tank of a traditional water heater, regularly heated up so it is all set whenever it is to be used. Also, given that they can hold on the wall and take up practically no space at all, they are really useful.
Considering that tankless water heaters do require 240 volts of electrical power and up to 160 amps to establish, one could need to have ones electrical box updated to accommodate the power demand of the unit. For example, and not to get excessively technical below, a standard tank water heater has around a 4500 watt heating element, verses 4, 7000 watt elements of a whole-house tankless one.
When it comes to efficiency, According to the Partnership for Advancing Technology in Housing (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 determined in gallons per minute (GPM). One will require to identify when and exactly what ones highest need of hot water is to correctly figure out the very best 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 have to be examined also in order to get the most out of a tankless water heater. If ones water is high in mineral material, like calcium, they will develop on the coils in time and minimize the life expectancy of the device. If the water hardness at ones home is above 11 grains per gallon, a water softener would be advised. Producers do have de-liming directions and typically have a caution light on the system to recognize when this should be done. Nevertheless, bear in mind what the manufacturers service warranty covers. If it is just against maker’s defect, this will not cover any repairs needed due to ones water quality. In perfect conditions, a tankless system will last much longer than a conventional water heater, which can assist justify the greater preliminary product cost and installation expenses, however one will have to be mindful of keeping it running effectively to earn back ones investment.
Service and Repair Costs
These costs are usually greater for a tankless system than a standard water heater, just to have a heads up. Lots of people typically do not have their standard water heater services too routinely (sadly) however it is advised to have a tankless unit professionally serviced when a year.
Instantaneous Hot Water
This should not be that huge of a deal, but though producers do promote instant hot water. Clearly one recognized that it takes a minute for the hot water being heated immediately to travel through ones hot water pipe to the faucet or shower. Though, if one is simply turning on the faucet a little the tankless heater’s burner may not ignite if the faucet is not opened up more. For example, a flow rate of one-half gallons to 2 gallons per minute is needed for electric tankless heaters to heat water.
Depending on the quantity of hot water one requires at the very same time, more than one system will have to be installed. This is simple to do, however obviously increases the equipment costs while doing so.
Equipment and Set Up Costs
A typical cost range for tankless heaters is around $800 to $1200. A typical storage tank water heater it is around $300 to $500. Set up costs are about $1200 and $300 respectively then too. One will, again, most likely require an electrical upgrade, in addition to a different gas pipe setup (if using a gas tankless heater), and a brand-new ventilation system. A benefit of changing ones water heater with a system much like the existing one is most of these upgrades will not be needed – they are currently in place.
Benefits of Going Tankless
No stored water, which in itself has a number of benefits. First, if there was to be a leakage with a tank heater, there could potentially be water damage to ones house. Likewise, one ought to flush the tank at least as soon as a year to keep mineral build up low, however there is the potential for stinky water odor, bad tasting water, and the growth of legionella bacteria in the storage tank if it is not at a high enough temperature level. Traditional water heaters use up far 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 yes, tankless systems will make use of less gas than a conventional gas water heater which does have its ecological benefits. However, a lot of electricity is made use of, for electricity takes longer to heat water than gas. And, a lot 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 conventional gas and particularly electric storage tank water heaters. There are various benefits with tankless and standard heaters that one will have to consider. Do not be reluctant to let Water Heater Repair Long Beach know of any questions you could have in the choice process.
Check out our Tankless Water Heater Repair Long Beach page too!