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Posted by HeatPro on December 05, 2007 at 18:53:12:
In Reply to: Re: More conversion questions posted by steve on December 05, 2007 at 18:23:13:
Energy wise, is air any better than steam/water or
++ the house will just never feel warm with such a system because there is no radiation? Many newbie engineers have done it to beautiful radiant-heated houses at great expense, only to abandon it for that reason.
++
The plumber suggested it because he felt it gave us AC
++ AC is the excuse to install a cheap blown-air system to live in for 8 months for only two months of cooling.
I calculated the EDR for steam. His boiler is 1.78 times the minimum the radiators need which seems high.
++ Some old steam systems with large pipes need a boiler that much larger to not only heat the radiators; but heat the big pipes first. The extra beyond the radiation output is called piping and pickup allowance. As the pipes would be bypassed for smaller copper mains and lines, you don't need that big a boiler for hot water systems.
: : Somebody is taking care of the mansions and larger steam-heated buildings in the area. Ask the school and city hall maintenance people who does theirs.
: Good suggestion. I'll try tomorrow.