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Seattle - Utilities
pex hydronic wall unit
Our utilities are probably the thing that is most unconventional.  Our plumbing is PEX, which is actually likely to become the standard due to its lower cost.  The main difference is that each fixture has its own line, which reduces that amount of wasted hot water left in the line. The heating system is a hydronic fan-coil, which is like forced hot air, but the air is much cooler, eliminating burning the dust in the air, which can create toxic byproducts.  In reality, we wish we found a way to do in floor radiant at a reasonable cost.
solar pre-heat
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