[Greenbuilding] on demand hot water heaters

[Frank Flynn]

Yes these are widely available but not very popular.  Most houses  
here have 220v (and these small heaters  are almost always electric)  
but they can also be wired for 110v.

If you're building  new it's not that much more trouble to run two  
lines (hot and cold) rather than one and these little heaters cost  
$200 to 500 (quick price check at Lowes.com - no particular  
recommendation of them)

http://www.lowes.com/lowes/lkn? 
action=productDetail&productId=89263-1136-AE9.5&lpage=none

there are several other models there and on the web in general you'll  
find many choices.

The  typical construction here in the US would be to have one central  
heater because the cheap ones cost only slightly over $200 so why  
spend $200 per sink/shower?  (NOT my thinking --- I've got solar hot  
water, put in with my own two hands).

The other advantage these have is the instant hot - no need to run  
the water for a long time to get it to me hot.


Frank


On Dec 15, 2006, at 10:29 AM, Stephen Collette wrote:

> Hello Everyone,
>
> I'm wondering if there is such thing in North America as a location
> specific on demand hot water heater. I saw them in Australia and
> other (220V) countries where there was a little heater canister under
> the bathroom sink to supply hot water to the shower and sink. Same in
> the kitchen. Brilliant idea actually, since they were significantly
> smaller than what we all know and see around these parts. The added
> advantage is that you only have to run one line, cold, throughout the
> house.
>
> I suspect the 220 issue is the stopper as to why I haven't seen it,
> but maybe I'm not looking in the right spots.
>
> Thanks.
>
> Stephen
>
> Stephen Collette B.B.E.C
> Principal
>
> Your Healthy House
> Indoor Environmental Inspections & Building Consulting
> www.yourhealthyhouse.ca
> stephen at yourhealthyhouse.ca
> 705.652.5159
>
>
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