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Radiant Roof snow melt ??
I saw ME's response on the post about capping the unused port on a wirsbo manifold.
It got me thinking on roof ice dam melting with hot water tubing vs electric heat trace cables.
In the CO Mtns, 1 KWH of elect = 10.2 cents and 1 therm of Nat gas = 8.44 cents. am I reading that correctly, even if you assume 80% eff on the gas, its still 23 times the cost per btu for electric?????
In the mountains we have to run heat trace on the roof OR pay someone to shovel & pickaxe the ice off the roofs.
How would one use hot water in tubes to clear a path for the melt water to run off the roof & down the gutters/downspouts?
PEX is not uv stabilized & I assume would rot quickly in the high UV Colorado sun.
Onyx Tubing run in a zigzag pattern just like the electric cables ??
Seems like a way to save a ton of money, my heat trace runs me about $150.00/mo on electric.