One of the challenges of building on the waterfront is that basements aren't permitted by FEMA regulations and therefore all mechanical equipment must be located within the living space. Here we have a 13' x 5'-6" room on the first floor where, like a puzzle, the components are being installed from the back corner working towards the door because they'd never get in any other way. Shown here are the main components of the radiant heat system.
On the right wall there are two Viessmann boilers.
Tucked in the back, right corner (barely visible) is an air handler, standing on its end, to service the west side of the first floor (other air handlers are in the garage and attic spaces).
On the back wall, there's a make-up anti-freeze feeder tank, two thermal expansion tanks to maintain a constant pressure in the closed-loop hot water system, and a Thermo 2000 BuffMax 3-in-1 buffer tank / storage tank / hydraulic separator for performance optimization.
On the left and front wall, with the manifold array, there are 19 circulation pumps, two heat exchangers (because anti-freeze rather than hot water will be used under the first floor just below the FEMA designated base flood elevation -- 14' above mean sea level -- and in the landscape snowmelt areas).
Still to be installed in the room are automatic mixing valves and the domestic hot water heater. The walls are padded with a vinyl and fiberglass acoustic barrier for noise reduction.
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