:>How big is the building? How much insulation?
: Each level is 1100 sq ft. Lower wall is standard cinder block and R11
: poly board on the inside, upper level walls are Walls are R19 Attic R30
When you get a cold day check the temperature of
outside of the block with your hand. If it is warmer
than your skin it might pay remove the poly board, except
you may get too much heat coming in in summer without
Even though a Trombe wall prevents quick air temperature
increase while the sun shines, it might be a good idea to put
a glassface outside the South side.
This might require some kind of overhang, shutters,
or awning to avoid overheating in summer and warm spring
and fall days.
A low cost sytem of black painted thin metal
sheets on hinged frames between the glass and the block
wall would allow configuring for either heating air or
heating the block.
There is probably more mass for storing thermal
energy in the block wall than in a single row of stacked
bottles of water, although the block may have a lower
specific heat than water (about half the BTU per pound).
New construction designed for efficient heating
and cooling might have bare block, brick or stone walls
on all walls, and insulation on the outside, essentially
the opposite of standard brick veneer.
: My thought is to make a sunspace on the south side on the ground
: approximately 15 feet wide by eight feet high x eight feet high.
: TYPO this should 15W x 8H x 1 or 2ft deep
Why not all the way up, with an overhang to
avoid sun on warm days.
I posted some links to scans of the energy
available at seasonal sun angles in alt.solar.photovoltaics
a couple of weeks ago, if you can't find it let me know
and I can repost it here.
The sun angle in winter at middle and high
latitudes favor the vertical south facing wall.
The trick is to get heat when needed, and
block it other times.
hilarious! heat storage, emergency water, and art all in one! my wife
would love it i'm sure.
Recall the OP had a slab floor... 8 vertical bottles and 26 radial layers
of 8 might weigh 4.4x216 = 950 pounds...
thanks for the warning...
I found this today, I believe that this will suit my needs.
Any comments on this system?