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btus needed to heat & cool 625sf room
usually around 400sq. ft room give or take
well a heat pump is used to heat or cool water and air conditioning is used to cool a room or home. So it would really depend on what you are trying to heat or cool
because the yeast reacts to heat.
Yes, black blinds will keep heat in a room when it's cold outside and keep a room cool when it's hot outside.
the heater may be turned on more people more heat if window opened it gets colder and less people in the room less heat
its usually about 20 btu's per square foot
As many are needed to illuminate the room
No. The heat that is generated by cooling the inside is usually given off at the back of the refrigerator. If you leave the door open then everything will become room temperature.
In additional to radiating heat into the room many gas fireplaces have a heat exchanger- cool air is drawn into the shell around the firebox, and warmed air comes out of the vents at the top.
The answer depends on the ambient temperature, how coll they want to be,how large a room they are in, whether or not they are physically active, etc.
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