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Old 07-12-2018, 10:01 AM   #1
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tank less water heater

my wife and i are looking into switching to a tank less water heater, as we are living in our RV we are wanting the best option for cost. we dont know much about them and was wondering what is better, an electric or a pro-pain one. we currently have a 10gal tank installed but it needs to be replaced.
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Old 07-13-2018, 07:38 AM   #2
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Which is better? My take is it depends on your rig and your camping style. give this link a read it may help you decide.
https://rvshare.com/blog/rv-tankless-hot-water-heater/
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Old 07-13-2018, 08:04 AM   #3
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find the long discussion on this forum.

We made the decision to opt for the 12 gallon dual heated tank system. Ours would have been gas only. Giving up free heated water in campgrounds with electricity.

The decision is more complicated than you think.

We operate our heater with both heaters when more hot water is needed. A tank can be heated in less than 30 minutes. Almost continuous. We never run out.

If you turn the water off to soap up etc, you get several seconds of cold water.

So, conserving water is sort of not possible. Also there is a learning curve to get proper results. Guests will hate it.
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Old 07-13-2018, 08:07 AM   #4
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We have the tankless Girard 2 and it's been ok but think if we did it over would opt for the 12 gal gas/electric.
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Old 07-13-2018, 08:37 AM   #5
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Google tankless water heater or Girard tankless on the forum and you'll find lots of info (and opinions). I haven't heard anything negative from the Truma Comfort but I haven't seen one in person either. Don't expect a positive ROI, the energy savings will be minute at best.

We had a Girard Gen 2 installed from the factory that was replaced with a conventional 12 gal. Suburban and we now feel like we're in heaven, really hot showers and really hot water in the kitchen or to do the laundry and we have yet to run out of hot water.


Edit: As a matter of fact, we did run out of hot water one night last week after DW dyed her hair and wasn't happy with the outcome ....
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Old 07-13-2018, 08:39 AM   #6
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Quote:
Originally Posted by dblr View Post
We have the tankless Girard 2 and it's been ok but think if we did it over would opt for the 12 gal gas/electric.
Ditto.
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Old 07-13-2018, 12:27 PM   #7
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Propane..look at Truma..they work best
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Old 07-13-2018, 12:42 PM   #8
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Quote:
Originally Posted by Cypressloser View Post
Edit: As a matter of fact, we did run out of hot water one night last week after DW dyed her hair and wasn't happy with the outcome ....
You better pray your DW doesn’t see this!
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Old 07-13-2018, 12:46 PM   #9
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Quote:
Originally Posted by mwdilday View Post
Ditto.
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Old 07-13-2018, 01:10 PM   #10
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Our first tt had a tankless system. Not only was there a learning curve to get just the right temp, we also found that water pressure affected the temp outcome as well. Our current tt has a gas/electric hw tank and we are much happier. But to each their own.
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Old 07-13-2018, 01:31 PM   #11
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It's a shame because my friends have an off-the-grid cabin and they have a little portable propane on-demand water heater that runs with I think a 9V battery for ignition and it is fed by an RV/boat water pump from a cistern. It worked great and did not seem to suffer from the common not enough flow = no hot water symptoms a lot of people complain about. Also their unit was maybe $150 and they are available at home depot (online, at least) amazon, etc. They aren't really meant to be permanently installed and certainly not installed inside an RV, although they have it installed inside their kitchen and it does not exhaust outdoors. I was impressed with how fast it heats the water and how HOT it could get, like melt your skin off, make tea right out of the faucet kind of hot (but it is adjustable) I was hoping to be able to use something like that to replace our water heater, which is a suburban gas-only unit that is about 15 years old, but still functioning. It would be too much of a hack to install, unfortunately, because i think it would actually work great, at a fraction of the cost of one these Girard or other heaters.
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Old 07-13-2018, 02:00 PM   #12
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Tankless Hot H2O

I have an older model Girard it does have a learning curve I understand the newer model is much easier....If you like to take long showers it's a mighty nice heater to have....My previous heater was 6 gal....in cold weather 3-4 min of hot water was it...Good luck.....Jody

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Old 07-13-2018, 05:07 PM   #13
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My wife and I rented a condo last year and it had a tank-less water heater. It was terrible adjusting the temperature. I would not recommend it.
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Old 07-13-2018, 09:53 PM   #14
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Using gas/electric system (even a 6 gal size tank) is usually not a problem if you know what you have available and conserve & use accordingly. If you have a crowd, that is what the campground bath house is for!
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