Re: OT : Plumbing help as well

["Simon Coates" <ecolume@xxxxxxx>]

Mark,

http://www.endlessshower.com/install.htm

I'm going to install a 'home brew' heat recovery system for the
ventillation.  I like heat recovery systems :o)  They are up to
70%
efficient - and work well when extracting warm steamy air from bathrooms
and
showers etc...  The extract air passes through a heat recovery chamber
(size
dependant upon flow rate and air speed) which heats up the replacement
incoming air.

The drainage heat recovery system is excellent, but I saw it when it was
too
late to do anything with it - and also we have 4 seperate drains. 
What I
would have liked to have done was divert warm/hot waste water to a
large
insulated 'holding' tank and either extract the heat with a heat pump,
or
just simply used the waste water to heat incoming water.  The shower
drain
is a clever idea because it's heating the incoming water when you need
it.


Regards

Simon

----- Original Message -----
From: Mark Harrison <Mark.Harrison@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: 27 December 2002 09:43
Subject: RE: [ukha_d] OT : Plumbing help as well


> Simon,
>
> The "heat recovery drain pipe section" sounds interesting.
Do you have a
> URL, please?
>
> Regards,
>
> Mark
>
> -----Original Message-----
> From: Simon Coates [mailto:ecolume@xxxxxxx]
> Sent: 26 December 2002 23:36
> To: ukha_d@xxxxxxx
> Subject: Re: [ukha_d] OT : Plumbing help as well
>
> [...]
>
> BTW. whilst planning our house refurb and searching for energy
efficient
> stuff I found a clever heat recovery system for drains.  The hot
water
> from a shower just goes down the drain, but if you use a heat
recovery
> drain pipe section to partially heat the cold water you can make a
10kW
> shower into something like a 15kW shower, or lower the flow rate
and
> save energy.  Many large hotels use heat recovery systems -
around 70%
> of the heat from waste water can be extracted.
>
> Simon
>
>
> http://www.automatedhome.co.uk
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