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HYDRONIC BOOK UNIT #1

Horizontales
Stoves first appeared around the 800s, mostly made of stone or clay bricks. By the 1400s, they too were made of (___)(___).
Vertical pillars that were used to support the under-floor heating system.
A heating and/or cooling system that uses water or another fluid as a heat transfer medium to move heat from one area to another.
A hydronic system that is not open to the atmosphere. 2. A piping system that is completely sealed from atmospheric pressure throughout the entire system.
Verticales
A hydronic system that is, at some point, open to the atmosphere.
Hot air from adjacent furnaces was directed into the hypocaust space, heating the stone pilae and underfloor, which transferred heat by (_____) to the room above.
A heating system utilizing a raised floor set on stacks of tiles called pilae for heat transfer.
• Early warm air heating systems relied on the natural (______) of warm air to circulate the air through building spaces.
The availability of electricity and the development of the (___) in the late 1800s led to the increased use of warm air central heating