hot-air furnace

  • 1hot-air furnace — noun : a heating unit enclosed in a casing from which warm air is circulated through the building in ducts by gravity convection or by fans …

    Useful english dictionary

  • 2Hot Air Furnace —   A heating unit where heat is distributed by means of convection or fans …

    Energy terms

  • 3Hot air engine — (historically simply air engine or caloric engine [cite book|author=Robert Sier|title=Hot air caloric and stirling engines. Vol.1, A history|edition=1st Edition (Revised)|publisher=L.A. Mair|year=1999|id=ISBN 0 9526417 0 4] ) is a catch all term… …

    Wikipedia

  • 4Furnace — Fur nace, n. [OE. fornais, forneis, OF. fornaise, F. fournaise, from L. fornax; akin to furnus oven, and prob. to E. forceps.] 1. An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting metals, for… …

    The Collaborative International Dictionary of English

  • 5Furnace bridge — Furnace Fur nace, n. [OE. fornais, forneis, OF. fornaise, F. fournaise, from L. fornax; akin to furnus oven, and prob. to E. forceps.] 1. An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting… …

    The Collaborative International Dictionary of English

  • 6Furnace cadmia — Furnace Fur nace, n. [OE. fornais, forneis, OF. fornaise, F. fournaise, from L. fornax; akin to furnus oven, and prob. to E. forceps.] 1. An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting… …

    The Collaborative International Dictionary of English

  • 7Furnace cadmiam — Furnace Fur nace, n. [OE. fornais, forneis, OF. fornaise, F. fournaise, from L. fornax; akin to furnus oven, and prob. to E. forceps.] 1. An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting… …

    The Collaborative International Dictionary of English

  • 8Furnace hoist — Furnace Fur nace, n. [OE. fornais, forneis, OF. fornaise, F. fournaise, from L. fornax; akin to furnus oven, and prob. to E. forceps.] 1. An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting… …

    The Collaborative International Dictionary of English

  • 9furnace — I (New American Roget s College Thesaurus) n. See heat. II (Roget s IV) n. Syn. heater, heating system, boiler, hot air furnace, steam furnace, hot water furnace, oil burner, gas furnace, electric furnace, annealing furnace, kiln, reduction… …

    English dictionary for students

  • 10Air preheater — An air preheater or air heater is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be… …

    Wikipedia