When To Choose A Tankless Water Heater
Were you even aware that you had the option of getting a tankless water heater? Because the tankless water heater is relatively new, this may be information that you were previously unaware of. The good news is that you know now and if you are on the hunt for a water heater, you may just want to find out more about the idea of a tankless water heater so that you can decide whether or not this will be the right option for you.
What They Are
Tankless water heaters, which are also known as instantaneous or demand water heaters, work by providing hot water only as it is needed. Traditional storage water heaters produce standby energy losses that cost you money. The tankless water heater works by heating the water directly without the use of a storage tank. As a result, they avoid the standby heat losses associated with the typical storage water heaters. There are various applications for tankless water heaters, including remote BBQs and outdoor sinks, poolhouses and showers, remote bathrooms and hot tubs, and they can also serve as a booster, eliminating long pipe runs.
Price
Of course you are probably wondering about the tankless water heater cost and whether it is worth it. Well, the truth is that a tankless water heater will generally cost you a bit more than the standard model. However, in the end you will be saving money because typically the tankless water heaters cost less to run than other models.Therefore, although you may be paying more for the water heater initially, you will be more than saving in the long term and this is what is really going to matter.
Choosing One
If you have decided that you do in fact want a tankless water heater, there are a few factors that you are going to want to take into consideration. For one, you are going to need to make the decision on what type of fuel you want. You will need to select between an electric tankless water heater or a gas fired water heater.Next you are going to need to look at your ambient incoming water temperature. For instance if you live in a colder climate, your incoming water temperature will probably be much lower than if you live in a warmer climate. Therefore you are going to want to find out how much temperature rise you are going to need in order to reach the desired heat.
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Comments on When To Choose A Tankless Water Heater
5:56 pm
You don't need to use gas for heating water! Note that most dishwashers and washing machines have only a cold water inlet and they heat the water by themselves.
If the climate is sunny (as it is here in Israel) a solar heater works well for most of the year except for the 4 winter months. It is a passive unit without pumps but is a bit ugly and is on the roof. Different sizes and numbers of solar collectors and insulated tanks are available and for a family of 5 who are modest in their showering needs I suggest the tank should be of 180 liter size and two solar panels of about 3 x 6 foot each are necessary. They must face approximately south!
I am not sure what you mean by a tankless solar heater. Here there is no such animal!
Our solar tank also contains an electrical immersion heater for use in the winter, which I regard as wasteful because it takes a while to heat up or it looses heat when running continuously. Instead we have in the two bathrooms an "instant" electrical device also manufactured here, but available in the US. Its performance is not fantastic when the incoming water is very cold, but if you run the water slowly it is effective. Be very carefull about installing this powerful electrical device in the bathroom so that condensation cannot allow water to collect inside or on the internal connections etc. When in use always TURN OFF THE WATER BEFORE CHANGING THE HEATING RATE, or you will blow a fuse. There are at least two models to choose from and it should be planned before the house piping is put in so that it can be used to heat all the bathroom water and not just the shower water (for this an ïn-line"model is needed). For shower water alone, the older kind is suitable. The same applies to the kitchen.
2:01 am
Hello,
You can force the water to a higher pressure by putting a two way valve after the heat unit. By throttling down the flow, you can increase the back pressure.
The idea of heating your pool for the night is not very cost effective. Calculate the time needed to raise the temp a few degrees, even if you ignore all the loses, especially on an above ground pool. How many BTU's is this unit? Is there a minimum flow rate for the hot water? If it was designed for showers, the flow rate will not be much.
I did something similar for a custom builder once, but it was all to company specs.
When you heat a pool, you are only allowed to raise the temperature of the incoming water by two degrees over the outgoing water. Why? Safety! You are going to burn the hell out of someone. These things are not approved to use on swimming pools. Be careful!
Keep a cover on the pool when not in use to conserve the heat of course.
Good Luck
11:28 am
That's way they are the only tankless with Energy Star rating in USA?