On Mon, 1 Feb 2016 17:00:19 +1100, "Rod Speed"
wrote:



"T i m" wrote in message
.. .
On Sun, 31 Jan 2016 05:30:51 -0800 (PST), Martin Pentreath
wrote:

PS The MSE thread:
http://forums.moneysavingexpert.com/...6223#topofpage


Funny, I was reading an advert for such / similar things sent to my
elderly Mum recently and I think it's disgusting people prey on others
so.

Isn't it the 'First law of thermodynamics' that disprove any claims of
magic suggested by most of these systems?

I tried to explain to Mum that if a heater 'stays hot longer than a
conventional heater' it simply suggests it isn't giving off it's heat
as quickly or it took longer to get to the same temperature in the
first place (etc).

Storage heaters take advantage of this by charging when electricity is
cheap and releasing the heat when it isn't.

I would have though for the best thermostatic temperature control you
want a heater with the least thermal capacity but the highest
efficiency output?

Not when you want to charge it at the lowest cost
and use the stored heat when you need that heat.


Yes, I referenced 'storage heaters' above your reply but I wasn't
talking about them (even though they still apply to my point).

Cheers, T i m