If you have a tankless hot water heater, what has been your experience --positive and negative. Thanks?

If you have a tankless hot water heater, what has been your experience --positive and negative. Thanks Asked by Thannisan 52 months ago Similar questions: tankless hot water heater experience positive negative Home.

Similar questions: tankless hot water heater experience positive negative.

My tankless experience I grew up in a house with a hot water tank. Every time anyone took a shower, they first had to let everyone else in the house know - because if the water was turned on anywhere in the house during that time, they'd get burned or frozen. Eventually my father installed a supplemental electric hot water tank, and that helped a bit, but we still experienced unexpected surges of hot or cold water during showers.

When my wife and I bought our first home, it had a tankless hot water system. A copper coil ran through the furnace, and water ran through it to be heated. I was dubious.

But I'm not any more. In five years now, I've taken many hundreds of showers. And not once have I experienced any temperature change at all when anyone else uses the water!

Flushing, the dishwasher, the washing machine...nothing affects the temperature. I'm a believer. The only drawback is that even in summer, the furnace has to go on once per hour to keep the water in the coil hot.

And if you use much hot water, the furnace goes on and stays on while you're using it. But the radiators don't heat up (in summer), and our oil costs have been - well, not reasonable, but manageable. All in all, I'm very happy with the tankless system.

Sources: Experience .

My brother likes his pretty well. My brother installed one in his house, so I will relate what he tells me about it. Advantages: - Endless hot water.

That is the main reason he got it. He has two kids in an aging house, so he wanted to be able to soak in the shower for as long as he wanted. - Some energy savings, but not a lot.

The idea is that a hot water tank has to keep that huge mass of water hot all the time, in case anybody should want hot water at any moment. That means it cycles on and off continuously. (If it is insulated, that might help a lot.) The tankless heats water only when hot water is demanded.

So if nobody wants hot water for two weeks, then it uses no energy in those two weeks. In practice though, people take showers pretty regularly, so a conventional heater doesn’t waste so much energy (and if it insulated, even better.) And now, since he has that ability, my brother tends to take much longer showers than he did. So for him, it is nearly a wash.

But if you are replacing an electric water heater with a gas-powered tankless, then you should see pretty good savings. Perhaps not enough to make up for the cost of the heater and installation any time soon, but still. - Possibly less maintenance.

Conventional hot water heaters have a magnesium rod you are supposed to replace periodically, that keeps it from rusting out. If the magnesium rod is gone, the heater can accumulate rust inside. Tankless heaters seem to require no maintenance.

Disadvantages: - It was kind of a pain to install. The heater requires some room, and to make it at all cost effective, it requires a gas line. So my brother had to take up some closet space, and run a gas line upstairs.

Since he was doing a major renovation anyway, it wasn’t that big a deal, but for others, that might be a deal-killer. - Since it has to heat the water instantaneously, it draws a lot of gas when it is on, enough to dip the pressure at their gas stove. So when it goes on, they can see the gas jets on their stove shrink a little.

- There is a possible issue with carbon-monoxide. Like all gas-burning appliances, tankless heaters can create carbon monoxide if not working properly. And unlike stoves, they don’t have an off switch (they have a shut-off of course, but you don’t use it routinely.

) So it is a good idea to put a carbon monoxide detector nearby.It shouldn’t ever go off, but they are cheap, so what the heck. Good luck! .

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There are 8 people in our home. We have 2 showers, 2 washers and 1 dishwasher. What size hot water heater is needed?

What was your experience, positive and negative.

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