#9 in the series
Trap Heat – While heat traps (loops of pipe that act as one-way valves) are best added when you install the water heater, your plumber and heating contractor can add them retroactively. A pair costs around $30 plus another $250+ for the installation. It is reported that you will save $15 to $30 a month on water heating utilities by preventing corrective heat loss through the heater’s inlet an outlet pipes.
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