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SKYDB Building database

Tall buildings worldwide, with heights, construction status and the companies involved.

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Tall Building Markets

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Professional building research, data exports and API access, plus advertising offerings.

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SKYDB Insights charts showing buildings by decade, status, use, floor count and height

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Professional research into buildings and participating companies.

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Tall buildings, tracked.

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SKYDB is the source for tall building information worldwide.

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definition strict definition

hydronic floor heating

An underfloor heating system circulating boiler-heated water through closely spaced pipes in a closed loop.

Hydronic floor heating is a heating system using closely-spaced pipes embedded in the floor in a closed loop, with water fed from a boiler. The water may be mixed with an antifreeze such as propylene glycol.

This heating type is similar to electric coil floor heating; together they form variants of the more common term "radiant floor heating".

Water carries the heat through the floor pipes; antifreeze can be added but is optional. Electric floor coils instead generate heat electrically within the floor, without that water circuit.