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Radiant Poll Barn

Jamie_6 Member Posts: 710
I'm bidding a poll barn which requires 19,000 BTU's of heat & I was curiuos on what you guys think the best heating plant for this application would be?

The barn will be for a work shop. I am planing on using a 30% glycol mix also.

We have oil, propane, & electric available.


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  • Murph'_5
    Murph'_5 Member Posts: 349
    We did small shop

    with gas WH with an exchanger to keep anti-freeze to a minimum, only had to spend the cash once! You may also get your domestic hot from here with this arrangement!!


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  • Art Pittaway
    Art Pittaway Member Posts: 230
    Hi Jamie,

    I'll probably get flack for this, but with the load, I assume it is a rural out building, and LP is available, the easy install is a water heater. No controls, just a thermostat and pump, design it for 90F supply temp and once it is at temp it will be fine. Snow melt 1'+ of your door aprons so ice doesn't build up and freeze the door in place. If it is a power vent, relay the thermostat to drop the W/H power off instead of running it all the time, (instant buffer tank?). Understand out how it is wired internally. They allow W/H for heat in Illinois but not Wisconsin, check your local code to see if W/H are permitted. Next choice would depend on price of fuel, some electric areas are very cheap so a small electric boiler (W/H?), and last is the oil if you want the service business.
  • Dale
    Dale Member Posts: 1,317

    With only 19K needed and glycol needed I would look at electric mats under concrete if you are going to keep the space warm and not need a quick setback recovery, many rural elect coops have an off peak rate that might be applicable. My next choice would be a propane water heater.
  • hr
    hr Member Posts: 6,106
    A water heater if

    you still need to protect water heaters from extender condensation modes. I would highly recommend running 130- 140° and use a mix valve for the desired radiant temperature.

    Failure to protect the heater from extended cold runs usually presents itself a a burner covered in rust. A dangerous, CO producing mess!

    Dollar wise, a WH is a good entry level system for that size load.

    A small condensing Munchkin may be another option. The 50,000 modulates fairly low.

    A dual purpose water heater with a HX for the radiant is another option. Budget will dictate how much technology, and efficiency, can be had for that small load :)

    hot rod

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