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Forums > Green Building Technologies > Radiant Heating > Subject: Does this seem crazy?

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12/29/2005 3:37 PM  
Any quick advise would be GREATLY appreciated.
Just received a cost estimate that seems way high compared to our first estimate. This is the replacement sub's estimate for installing radiant floor to a 350 SF addition using Thermofin. The subfloor has already been installed.

Not including GC's cost on cutting and installing 3/4 plywood around the thermofin, dealing with additional floor high issues, etc:
Two zones: $7,860
One zone: $6,980

Install below floor: Add $1,450 to above costs. (Would have to work in a cramped but new, clean crawlspace).

This installer also recommends a supplemental cadet heater in the bathroom.

The original bid by the guy who did't show up was $3,500 complete, for 2-zone using unnamed underfloor product.

What gives? Any thoughts?
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01/03/2006 2:56 AM  
What, can't comment agin the kin?
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01/04/2006 9:12 AM  
For what it's worth, I had 900 sq ft floor of tubes put down by a contractor in my (new construction) basement for $2400 (time and materials) I'm currently installing radiant heat tubes myself for the rest of the house after seeing how easy it was. The PEX tubing cost $150 for a 350 ft roll. - just paying labor for heating contractor to make the connections at the boiler.

I'm not shocked by contractor estimates anymore. They're all over the map. Pricing has more to do with how busy they are and the complexity of work, than being competitive. Then they have to show up...





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