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Trombe wallclick to hear

Solar collector with double glazing on a wall that faces south; it is used to distribute heat in a room.
Trombe wall air gap concrete wall cold air absorbing surface double glazing warm air shutter solar radiation

air gap click to hear

Space between the wall and the glazing in which air flows; as air heats up on contact with the wall, it rises naturally in this space.

concrete wall click to hear

Masonry structure that is about 15 in thick; it has a black surface to absorb heat from the Sun to heat the air.

cold air click to hear

Fresh air enters the home at the base of the air gap and is heated on contact with the wall.

absorbing surface click to hear

Black wall that catches solar radiation and converts it into heat.

double glazing click to hear

Each of two glass plates placed in front of the concrete wall; they allow solar radiation to penetrate and retain the heat.

warm air click to hear

Air heated by solar radiation is introduced into the room by convection.

shutter click to hear

Flap gate used to control the entry of heat into the home.

solar radiation click to hear

All the electromagnetic waves emitted by the Sun.