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because the heat will just escape, and evaporate very quickly.

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Q: Why is an open fire not an efficient way of heating a room?
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What are radiant heating panels used for?

Radiant heat panels provide homes with efficient heat through infrared lighting. Instead of heating the air, the panels heat objects in the room, allowing them to heat the room.


What happens when you open a door to a heated room into an unheated room?

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