central heating

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Any of various heating systems in which a central source of heat is used to distribute heat (and sometimes hot water) throughout a building in a controlled manner.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a heating system in which air or water is heated at a central furnace and sent through the building via vents or pipes and radiators