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ABSTRACT It is common knowledge that open coal fires radiate only a small fraction of the heat available from bituminous coal, most of the rest being carried up flues to the outside air. In
many countries climatic conditions or the need for thrift enforce various means to avoid waste of fuel. Independent stoves are placed in living-rooms or heat is distributed throughout
buildings by means of warm water or air propelled either mechanically or by gravitational action. To-day circumstances are compelling Britain increasingly to adopt similar methods. The
growing use of closed stoves is a familiar example whereby 65 per cent of the heat of combustion can be distributed in a simple manner, at the cost of losing, wholly or partly, the heating
by radiation from the glowing fuel. Another method, used in the so-called ‘convector’ fires, is an attempt to combine the merits of the open fire with recovery of heat from the products of
combustion. These are led through a flue system whereby their content of heat is extracted and used for remote space heating. In some respects, this is analogous to a system of house warming
common in the United States, where heat generated in the basement is allowed to percolate throughout by simple gravitation. The widespread construction of new houses offers advantages in
such methods, advantages which are being taken. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution ACCESS OPTIONS Access
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subscriptions * Read our FAQs * Contact customer support RIGHTS AND PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE More Warmth with Less Fuel. _Nature_ 160, 325
(1947). https://doi.org/10.1038/160325a0 Download citation * Issue Date: 06 September 1947 * DOI: https://doi.org/10.1038/160325a0 SHARE THIS ARTICLE Anyone you share the following link with
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