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MarketManager » Heating Equipment
Q: How do you model gas fired infra-red space heating and radiant floor heating?

You would model both the same as any zonal heating item, except you can lower the heating setpoint if you use radiant heating. As a rule of thumb, for every F rise in mean radiant temperature you can drop the air temperature by one F. So if you heat through the floor, you can assume that for every F rise in floor surface temp you can lower the air temp 1/3 F (assuming the floor is about 1/3 of the total surface area inside the zone).

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