Heating systems – Automatic control – Water
Patent
1978-02-03
1979-10-23
Davis, Jr., Albert W.
Heating systems
Automatic control
Water
165 40, 237 17, 219365, F24D 300
Patent
active
041717724
ABSTRACT:
A compact heating and cooling system in which air ducts are connected to a heat exchanger system through which a coolant fluid from a condensing unit or a heating fluid from a compact water heater is selectively directed by a control circuit so that the system may be mounted outside a building to be heated and/or cooled.
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patent: 2238362 (1941-04-01), Goehler
patent: 2461774 (1949-02-01), Robertson
patent: 3166666 (1965-01-01), Williams
patent: 3277956 (1966-10-01), Hughes et al.
patent: 3293408 (1966-12-01), Stotz
patent: 3302705 (1967-02-01), Witten, Jr.
patent: 3315646 (1967-04-01), Witten, Jr.
patent: 3627031 (1971-12-01), Ware
patent: 3663150 (1972-05-01), Hapgood
patent: 3704748 (1972-12-01), Hapgood
Hays Herbert G.
Sweitzer Ralph W.
Amana Refrigeration Inc.
Arnold H. W.
Bartlett M. D.
Davis Jr. Albert W.
Pannone J. D.
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