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Posted by HeatPro on March 22, 2008 at 13:45:53:
In Reply to: OK to run returns under basement floor? posted by homeowner on February 22, 2008 at 13:04:22:
It is an old idea used for a century or more on many steam systems. It can work for some decades until rusting makes holes in the buried pipe. An alternative is to run the pipe in a trench with a removable top or slab covers for access in the future.
However, although it does sell residential steam boilers, keeping the casting manufacturers profitable in business, and construction workers and plumbers banging away inside a floor, - at the high cost of fuel, keeping the most inefficient heating system operating in antique houses with inadequate insulation to use 3 or 4 times as much fuel for the next lifetime is not 'green.'
Planning for less fuel use now for payback in less than 10 years and 1/3rd the fuel use thereafter does make more sense; but conspicuous consumption is an alternative lifestyle.