What is the panel's opinion on using electric under floor heating like
screwfix sell for conservatories under my shortly to be installed brick
The running costs are not an issue as such, but is there any definite reason
not to use this system?
On Fri, 09 Apr 2004 18:41:28 GMT, in uk.d-i-y "MrCheerful"
I would have thought that the bricks would be too thick to radiate any
useful sort of heat through and the thermal properties of the
sand\soil underneath would be such that all the heat would be used to
warm this up. Why would you want underfloor heating on a patio?
Reasoning is that if you are outside with warm feet you can stand the
temperature of the rest of you better, also it would dry off quickly after
rain, which would be a big advantage for us as we have dogs that run in and
out with wet paws.
During the summer the sun warms the bricks and after sundown they let the
heat go again and feel warm and pleasant for a while, if that was prolonged
by electric heating that would be quite an advantage, I think.
Now, that idea I like. the initial costs are far lower too, I would have to
put anti freeze in, but that would be ok I would guess, no danger of
overheating elements, even if it fails there is just a leak, screwfix sell
the pipe too !
thanks, I was hung up on electric after seeing some installed indoors.
The pipe can take exteme pressure. Mine was tested to 10 bar and teh
scred laid at 4 bar. I doubt if freezng would be a problem - if encased
But be aware it takes several hours to get warm, irrespective of what you use.
The thermal mass of a slab of concrete is considerable.
Which is why most outdoor gheating is of the hot air blow variety.
By the time you notice its a bit chilly, you are already too late by a
few hours to switch it on...
In summer, the slab will pick up heat anyway from the sun, and stay warm
into the night. Especially if insulated.
Have you smashed any looms recently, or burned any witches?
Is it the green issue? Global warming?
Why is it irresponsible to have an idea to improve my comfort? This is 2004
, not the middle ages.
Perhaps we should all go back to living in primitive conditions without any
mod cons? Certainly no computers, they are very environmentally unfriendly.
I like my comfort and convenience, and I use heating and cooling as
appropriate for my comfort.
I have decided to go for the heated liquid in tube option with a boiler. If
I find that it gives no noticeable benefit then I will not use it, all I
will have really wasted is the cost of the tube and a little extra time (the
other bits are recoverable/ free anyway)
That is right, 2004. We know more about energy and wastage now. If you
want external heating get a purpose made LPG umbrella heater. It heats
people directly. If I wanted a little more heat on a patio I would insulate
under and have no heating. The heat stored in the thermal mass durning the
day will be given back off. The patio would have to be covered when the sun
goes in to retain heat given off and south facing to absorb sun all day.
< snip >
I still have a problem with patio heaters... Seems to me people are not
happy with global warming as it is, and want to heat the place directly!
Why not just wear a jumper? Or if it is to cold to be outside, why not be
controversial and go inside?!?
Although I must say, I do like air conditioning, which is very bad
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