central heating

WordReference Random House Unabridged Dictionary of American English © 2026

cen′tral heat′ing, 

1. Building a system that supplies heat to an entire building from a single source through ducts or through pipes.

• 1905–10

Collins Concise English Dictionary © HarperCollins Publishers::

central heating noun

1. a system for heating the rooms of a building by means of radiators or air vents connected by pipes or ducts to a central source of heat