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Tight space for boiler system
A small new house is being designed, built atop a 4-foot-depth crawlspace. It is desired to place all mechanicals in that crawl space, as there is no room for a mechanical room in the living spaces above.
The thought is to locate the system, proposed as a small mod-con wall-hung, under the staircase area, so as to provide more overhead, and permit getting the exhaust/intake flue up and out an exterior wall at an acceptable height above finished grade outside. The site is in upstate NY's Adirondack region . . . snow country.
The image here is a section cut taken through the model to try and show the proposed space. The figure in the model is 5'-10" tall, and the boiler is scaled to match the size of a Veissemann Vitodens 100.
Access to the space would be via a full-sized 30-inch width door, behind the man-figure shown, and then down a vertical ladder to the crawlspace floor below. You can see to the L of the boiler how the staircase space encroaches down, and how elsewhere, all in the space, the overhead is about 48 inches.
The system is expected to be relatively simple, with about 8 panel radiators all with TRVs supplying heat to the various spaces on the floor and a half, above.
Does this look OK? If not, what should we do?