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Switching to a tankless water heater


nicole20
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Hi all! Our old traditional water heater just broke down and instead of repairing it, we decided to purchase a new one instead. We are planning to switch to a tankless water heater since, from what I read from this site (Link removed), they are energy saving. However, they are a bit more expensive, so I'm having second thoughts about whether or not they are worth it. To those who have one, what are your thoughts? Would you say that it's worth it?

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I've heard that they also do not last as long as storage type heaters, and encourage the wasting of hot water.

They're still favored by those with a desire for unlimited hot water and don't mind higher investment and operating costs.

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I have had two Takagi natural gas water heaters in the past. They were very energy efficient but more problematic than a standard tank unit. They waste more water, there's a longer delay to get hot water. Also I don't like the "cold water sandwich" effect. For example you get in the shower after using hot water else where, the shower water starts off hot from previous usage, then it goes cold for a bit before the tankless kicks back on. If you have hard water or on a well, I would not recommend one as the mineral build up will cause it to plug it up quickly. They recommend descaling and flushing out once a year, this will require a flush kit. I would not recommend any type of electric unit, natural gas or propane only.          

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I put one in our other house for occasional use.  Would not recommend for al the above reasons.  I can't get ours to deliver any thing over 120dgrees.  Just plainly is not designed to do that.

uses more water over all too. 

 

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9 hours ago, Marc said:

I'd like to put one in my travel trailer on account of the current storage WH in it being only 6 gallons. It would please the spouse. Don't want it, don't need it, in my house.

Gee Marc, six gallons would shower me, couple dogs and my good lookin' neighbor!  Any longer in the shower, I get all wrinklie! 

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On 4/25/2022 at 8:38 AM, Marc said:

I'd like to put one in my travel trailer on account of the current storage WH in it being only 6 gallons. It would please the spouse. Don't want it, don't need it, in my house.

Trick the existing unit into thinking it's on demand by using both fuels. If I'm washing dishes either gas or electric are adequate. Showering, turn on both. The shorter recovery nearly doubles capacity.

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On 4/25/2022 at 3:24 PM, Les said:

Gee Marc, six gallons would shower me, couple dogs and my good lookin' neighbor!  Any longer in the shower, I get all wrinklie! 

Sounds about right. I can picture Les, a couple of dogs, and his good lookin' neighbor all lathered up standing under the shower head together as the hot water runs out.

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On 4/29/2022 at 7:27 AM, Tom Raymond said:

Trick the existing unit into thinking it's on demand by using both fuels. If I'm washing dishes either gas or electric are adequate. Showering, turn on both. The shorter recovery nearly doubles capacity.

My TT is a 2002 Northwood Nash. Didn't have propane/electric water heaters back then, as far as I can tell. Refrigerator/freezer is propane/electric.

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