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Chronological List of District Heating
Systems in the United States |
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| Map of the Heating Circuit, Red Oak, Iowa |
Quimby N. Evans and Juan A. Almirall were heavily involved in the installation of forced-circulation hot water systems for institutional customers, particularly schools. In 1899 they installed a district heating system in Red Oak, Iowa and also installed systems in Watseka, Illinois; Janesville, Wisconsin; Albert Lea, Minnesota; Piqua, Ohio; Girard Estates, Philadelphia, Pennsylvania.
These systems employed a one-pipe heating network rather that the two pipes used by other systems.
References
1899 Engineering
News 41:20:180 (May 18, 1899)
EVANS, ALMIRALL A CO., 44 Dey St, New York, have closed contract with the
Red Oak Electric Light Co., of Red Oak, Ia., for a central beating plant,
using the Evans system of exhaust hot water heating.
1900 Test of Heating and Ventilating Plant Installed by Evans Almirall and Co. of New York City in Public School No. 22, by August Peter Sonnin Krebs and Arthur Samuel Blanchard, Thesis, Cornell University
1901 "Hot-Water
Central Heating in Red Oak, Ia.," The Engineering Record,
43:307-308 (March 30, 1901)
Evans Almirall system
1902 "Central
Station Heating," by D. F. McGee, Red Oak, Ia., American Gas
Light Journal 76:692-693 (May 12, 1902)
Red Oak, Iowa, Evans-Almirall hot water system, start October 1899
1903 "Central Station Heating," Engineering Review 13:20 (December 1903)
1905 "Notes on Central Station Heating," The Metal Worker, Plumber and Steam Fitter :57 (May 20, 1905)
1906 Evans-Almirall system of hot water heating : forced circulation, exhaust steam utilized : patented 1893 and 1897 : designers, engineers and contractors
1907 "Central
Heating System for Fifty-one Detached Buildings," The Heating
and Ventilating Magazine 4(4):14-28 (April 1907)
Evans-Almirall hot water system at New York Juvenile Asylum, excellent
diagrams.
1908 "The
Schott System of Central Station Heating," by J. C. Hornung, Journal
of the Association of Engineering Societies 41(2):33-42 (August,
1908)
Page 34: About this time a one-pipe system of hot-water heating was
brought out which was an enlargement of the systems commonly in use within
the buildings; that is, a single pipe belt was run around a block and the
various buildings were shunted off the belt similarly to the arc-lighting
systems in common use to-day. This system requires that the pipe shall be
of the same size throughout the belt, and the number of heat units which
can be supplied is determined by the allowable drop in temperature between
supply and return ends of belt; as in arc lighting when one belt is loaded
an additional belt may be run from the powerhouse.
1914 The
Heating and Ventilating Magazine 11(8):63 (August 1914)
Deaths. Quimby N. Evans, senior partner of the firm of Evans, Almirall
& Company, engineers and contractors for heating, ventilating and
power plants, died suddenly July 6. Mr. Evans was one of the pioneers in
the heating business in this country, having been in partnership with
Frederick Tudor of Boston, under the firm name of F. Tudor & Co., in
the '70s. In 1880 he formed a partnership as The Q. N. Evans Co., doing
business in Boston and New York. In 1892, Mr. Almirall became associated
with him and, a couple of years later, the present co-partnership of
Evans, Almiral & Co. was formed. During the past two years Mr. Evans
had not been actively engaged in the business, having felt that he could
leave it in younger hands. His death was quite unexpected. The business of
Evans, Almirall & Co., it is announced, will continue as in the past.
1921 "Forced Hot-Water Circulation Heating System, Girard Estate, Philadelphia," Journal of the American Society of Heating and Ventilating Engineers 27(2):107-118 (March 1921)
1921 "The
Heating System for the Girard Estate, Philadelphia," The Heating
and Ventilating Magazine 18:43 (June 1921)
Evans-Almirall system supplies 481 houses, stores and apartments on the
Girard Estate
1955 Juan Antonio Almirall (25 Nov 1870 - 26 Oct 1955) grave
© 2025 Morris A. Pierce