History of District Heating in the United States

| Chronological List of District Heating Systems in the United States |

District Heating in Toledo, Ohio

The

References
1890

1895 The Electrical Engineer 25:36 (January 5, 1895)
The Home Heating & Lighting Company, Toledo, O., capital stock $50,000, has been incorporated to do heating and lighting by electricity, steam and hot water, etc. J. F. Zahm, Homer Yaryan, and R. W. Smith are interested.

1895 "Central Station Hot-Water Heating," Heating and Ventilation 5(3):3 (February 15, 1895)
Yaryan plant in Toledo

1898 "The Yaryan Heating System, Plant No. 2," Abstract of Thesis of Ralph Collamore and Chas O. Cook, The Michigan Technic 11:99-102 (1898)

1899 "Central Hot Water Heating Plant," by Arthur C. Loomis, Mattoon, Illinois, Annual Report of the Iowa Society of Engineers and Surveyors 14:198-202 (January 1899)
Yaryan hot water system at Mattoon, Illinois

1900 "Central Station Heating Plants," by C. C. Hammond, Power 20(4):18 (April 1900)

1900 "Hot-Water Heating From a Central Station," by Homer T. Yaryan, Transactions of the American Society of Mechanical Engineers 21:937-960 (May, 1900)
Page 949: During the past two years the system I have described has been installed, and is now in successful operation in the following cities and towns : La Porte, Ind. ; Matton, Ill. ; La Crosse, Wis. ; Kenosha, Wis.; Alton, Ill.; Portage, Wis.; Boone, Perry, Ida Grove, Iowa Falls, and Mason City, Iowa.

1900 "Hot Water Heating from a Central Station" by Homer T. Yaryan, Scientific American Supplement 49(1278supp):20490-20491 (June 1900)

1900 "Two Revenues Instead of One: Electricity as By-Product," by A. J. Stahl, La Porte, Ind., Proceedings of the Ohio Electric Light Association 6:27-35 (August 1900)

1900 "Heating by Exhaust Steam," Boston Evening Transcript, September 29, 1900, Page 21
Hot water system in Toledo, Ohio

1900 "Cost of Hot Water Heat," Indianapolis Journal, October 1, 1900, Page 8
Details of proposed Yaryan hot water system for Home Heating and Lighting Company.

1900 "Statistics on Hot Water and Steam Heating Plants," Municipal Engineering 19(5):412-414 (December 1900)

1901 "Hot Water Plant," The Bedford Weekly Mail, May 10, 1901, Page 2.
List of 26 hot water systems using Homer T. Yaryan's design. The plant in Bedford was installed by W.H. Schott

1908 "Systems of Central Station Heating," by J.C. Hornung, The Metal Worker, Plumber and Steam Fitter 70(14):54-56 (October 3, 1908)
Holly System thirty years ago, Yaryan System, Schott Hot Water System

1915 "The District Hot Water Heating System of the Toledo Railways & Light Co.," The Bulletin of the National District Heating Association 1(1):3-6 (October 20, 1915)