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Posted By: SteamyTeaAnd that may be to do with the water evaporating and condensing (shall think of a way around that).
Posted By: SteamyTeathat thermal mass at best makes less that 1/2 °C difference
Posted By: SteamyTeaBMC Climbing Festival
Posted By: SteamyTeaI have been claiming that in the UKs climate regime, thermal mass within the insulated envelope makes no difference to the overall thermal performance of the building ... does adding thermal mass within the insulated envelope keep the building at a higher mean temperature
Posted By: SteamyTeaI was unsure if it made any difference to the comfort levels
Posted By: fostertomThat, I'd expect 'yes', or rather temp swings about the mean would be reduced in amplitude (decremented?). They would also be delayed, which cd mean e.g. that internal temp is highest when outside temp drops lowest.
Posted By: fostertomPosted By: SteamyTeaI was unsure if it made any difference to the comfort levelsThat, I'd expect 'yes',
Posted By: SteamyTeaCommentAuthorhttp://www.greenbuildingforum.co.uk/newforum/account.php?u=4864" >SteamyTeaCommentTime2 hours agoPeter in HungryRather than add insulation, how about making it air tight, my feeling is that would, depending on roof structure/design, stabilise the temperature more, just plotted your data and with only one high temperature reading can't make any use of it.What kind of temperatures does it go to in the winter, which I know at your altitude is pretty cold.
Posted By: Peter_in_HungaryPosted By: fostertomPosted By: SteamyTeaI was unsure if it made any difference to the comfort levelsThat, I'd expect 'yes',To add my 2p worth I took some measurements of my high thermal mass box - aka my garage/workshop. its about 60 sq.M stone/rubble walls 50cm thick with a 20cm thick concrete ceiling (floor to pitched roof attic storage area) It faces SW and that aspect has 3.5M x 2.4M badly fitting wooden doors and 3.25 sq M of single glazed windows.Yesterday evening at 20.00outside temp 18.5 deg.inside temp 21.8 deg.this morning at 06.00outside temp 13.1 deg.inside temp 20.6 deg.this afternoon at 13.00outside temp 29.3 deg.inside temp 21.8 deg.this evening at 20.00outside temp 21 deg.inside temp 22.6 deg.From this can be seen with an outside variation of 16.2 deg the internal temp varied only 2 deg. and this is a structure with no added insulation and most certainly not air tight.So for me I agree with FT thermal mass adds greatly to the comfort level.
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