Adding bath to loft above detached garage: Tank or On-Demand Water Heater?
Saturday, September 3rd, 2011 at
5:48 pm
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110V MAREY AQUAMATIC ELECTRIC SHOWER TANKLESS WATER HEATER HOT WATER AQUA110 US $99.00 --> Ends in : 1h 11m <-- |
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220V MAREY AQUAMATIC ELECTRIC SHOWER TANKLESS WATER HEATER HOT WATER AQUA220 US $99.00 --> Ends in : 1h 12m <-- |
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MAREY★11 LPM 3 GPM★ELECTRIC TANKLESS WATER HEATER ON DEMAND★HOT WATER★ECO110 US $191.43 --> Ends in : 1h 12m <-- |
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CORAL Tankless Hot Water Heater Electric Shower Head 220 Volts Showerhead US $59.00 --> Ends in : 1h 34m <-- |
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Marey 16L 423 GPM On Demand Propane Gas Tankless Hot Water Heater Whole House US $296.95 --> Ends in : 2h 22m <-- |
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I’ve never had an on demand water heater but everyone says that is the way to go. Price wise, they may be more up front but you’ll save when it comes to heating costs.
However, if it is a bathroom that may not be used alot, especially the hot water part, then you can prob get by with a small hot water tank.
The earth friendly answer is to use the tankless. I read some of the other answers and a tankless will keep up with a shower with no problem.
I have installed a couple of tankless waterheaters and they are not inexpensive, to buy or to have installed.
One thing to be aware of is that on-demand hot water doesn’t mean instant hot water from the tap. If you want instant hot water you’ll have to install a re-circulating pump. You can get these with wireless sensors that will know when you come into the room and will start the pump which will bring the water to the tap for instant hot water.
You will save some money with either a gas or electric tankless unit because it is only activated when you need water.
All that to say if you have the money the tankless is definitly the way to go, (it also takes less room).
There are also remote controls to change the temperature that you can get for the tankless unit if the water heater is in an in-accessable area.
You can also get a device for it that will fill your bathtub to whatever level you choose.
I don’t think on-demand could handle putting out enough hot water for a shower. I’d put in a 30 gallon water heater, but put it on a timer so you aren’t wasting all that energy to keep water hot.
Our home is all electric. We have two water heaters, one on the kitchen, laundry 1/2 bath side, and the other on the two other bathrooms side. We have both on timers, the cost is very little to maintain hot water when we need it.
Partial to tankless if a full bath with a resident is what you mean. Well water is a bit more of a headache because of the minerals involved. Still cheaper to run than keeping gallons of water hot. Go gas.
I have had on demand tankless (gas) in my last 2 homes and would never go back to the tank type. They are nearly twice the price as the tank, but you will see the savings in only a few months and they last at least twice as long as the tank type. They also only turn on when you turn on the hot water faucet, so you are not re heating a tank of water in the middle of the night.
On demand water heaters, gas/propane, work okay unless you have hard water, which clogs them up. I would stay away from electric on demand heaters.
However, if you can hook up a hot water heater, gas or electric, for your needs, they work out a bit better when it comes time to change one out that gets clogged, for a new one.
If you live in a hard water area, forget buying the ‘best’ water heater and get a cheap unit that fills the bill. depending on the hardness of your water, the unit will only last 2-4 years before having to buy a new one. try to plac the hot water heater in an easy to get to location just due to having to change them out once in a while. don’t forget that you will have to drain the old one before moving it.
I have lived with an on-demand unit. if you have stable water pressure, things work out okay, but if the water pressure fluctuates, instead of hot water, sometimes you’ll get steam out of the shower head.
On several gas units, there is an adjustment knob for hot or colder water. on some units, there is a propensity to accidentally cause an explosion, which may, depending on the location in the house, either blow the unit off the wall, or raise the roof; in addition to searing/singeing one’s facial hairs, including eyebrows, eyelashes, beards, bangs. Not to mention not being able to hear anything for a day or two, I have experienced all of the above. aaah the joys of hot water make it all worth it, believe it or not.