[Greenbuilding] Opinions on electric tankless HW heaters?

[Matt Dirksen]

Thanks Nick

"Last" choice is a standard electric hw tank. HP heater would not work because of the size and sound issues. Due to the client's schedule, the on-demand kw blast would never come close to a hw tank heating water all the time. 

I'll look into Stiebel Eltron.

Matt


Matt Dirksen, GAC
Case Design Remodeling, Inc.
240-235-9735

On Apr 18, 2011, at 7:37 PM, "Nick Pyner" <npyner at tig.com.au> wrote:

> Instant electric is usually the last choice on economic and environmental grounds.
>  
> I doubt that Rheem would make them. Another manufacturer that does is Stiebel Eltron. They have some pretty sophisticated models but they are expensive and probably no more efficient than their simpler ones. 
>  
> Even a small instant electric will take about 13kW, so retrofitting one may call for some expensive wiring.
> 
> Nick Pyner
> 
> Dee Why   NSW
> -----Original Message-----
> On Behalf Of Matt 
> 
> I have clients who might be ideal candidates for a tankless hw heater. They don't have natural gas in their home. I have installed gas tankless, but don't have any experience with electric tankless heaters. I will need to size one for a family of two to four.
> 
> Any opinions out there? Bosch? Rinnai? Rheem?... 
> 
>  
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