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In fairness to all, we don't discuss pricing on the Wall. Thanks for your cooperation.
in Pittsburgh. I am addressing a plaza area that is a U-shape, about 10,000 sqare feet total. I will be using heated ethylene glycol solution. The plaza will be poured concrete, stamped with a brick or paver pattern.
(I talked the architect out of poured concrete with tubing in it, topped with a sand bed and true pavers. That sounded like a lot of insulation between the tubing and the snow. That's a good thing, right?)
The building is going to be hydronic heat, and we were thinking of using the hot water (200F design) to heat the building, then taking the return water (160F) through a heat exchanger to heat the glycol, then back to some high delta-T boilers.
Over the months I've been monitoring the wall, I've sorta gotten the idea that perhaps vendors are not the right place to go for this design, but where is? Who is the expert in this area?
Any "Dan-books" cover this topic?