Patents
Sitemap › F24 - Heating; Ranges; Ventilating › F24D - Domestic- or space-heating systems, e.g. central heating systems; Domestic hot-water supply systems; Elements or components therefor › F24D 5 - Hot-air central heating systems; Exhaust-gas central heating systems
Patents for F24D 5 - Hot-air central heating systems; Exhaust-gas central heating systems (1,847)
12/1987
12/16/1987EP0249087A1 Infrared radiant heater for large spaces
12/15/1987US4712734 Low-intensity infrared heating system with effluent recirculation
12/15/1987CA1230276A1 Solar heating system for beehives and other enclosures
12/09/1987EP0248629A2 Space heating appliance
11/1987
11/24/1987US4708722 Air washer and heat exchanger
11/19/1987DE3616733A1 Set of structural elements for the erection of a heating and ventilating system, of a building, which is integrated in walls and intermediate floors
11/11/1987EP0244639A2 Low-intensity infrared heating system with effluent recirculation
11/11/1987EP0244638A2 High efficiency infrared radiant energy heating system and method of operation thereof
10/1987
10/27/1987US4702179 Controlled coal burning and heat collecting method and apparatus
10/13/1987US4699317 Heat exchanger flue
10/08/1987DE3611659A1 Hot-air heating system
10/07/1987EP0239791A2 Covering for space delimitations
10/06/1987US4697434 Prime mover driven air-conditioning and hot-water supplying system
10/06/1987CA1227710A2 High efficiency furnace
09/1987
09/16/1987EP0090794B1 Building construction
09/09/1987EP0163644B1 A heating or cooling device arranged below the ceiling
08/1987
08/19/1987EP0232990A1 Heating appliance
08/19/1987EP0142497B1 System for tempering a room
08/18/1987US4687133 Method and device for operation of a heating plant
08/06/1987DE3347973C2 Air floor-heating system
06/1987
06/30/1987US4676222 Radiant heaters
06/04/1987DE3542590A1 Wall-mounted ventilation system
06/02/1987US4669656 Heating system
05/1987
05/27/1987EP0223241A2 Installation for controlling the temperature of floor and wall panels
05/21/1987DE3540713A1 Wall block
05/21/1987DE3540712A1 Heating duct
05/21/1987DE3540711A1 Oven for combined hot-air/circulating-air heating
03/1987
03/17/1987CA1219110A1 Building
03/10/1987CA1218854A1 Indoor unit for electric heat pump
03/03/1987US4646814 System for tempering a room
03/03/1987US4646537 Hot water heating and defrost in a heat pump circuit
02/1987
02/17/1987US4643246 Bay window with ventilator
02/10/1987CA1217670A Installation for tempering a room
01/1987
01/29/1987DE3609452A1 Outer-wall construction on a building
01/27/1987US4638853 Apparatus for conditioning and controlling the temperature of rooms in a building
11/1986
11/25/1986US4624300 Method and apparatus for heating and cooling buildings
11/25/1986CA1214336A1 Heat pump system
10/1986
10/28/1986CA1213186A1 Hot air screening and transporting system
10/28/1986CA1213185A1 Modification of a forced air, oil-fired, central home- heating furnace by a draft valve
10/08/1986EP0196303A1 A method of controlling the conditions in a dwelling-house.
10/08/1986EP0196298A1 Method and device for operation of a heating plant.
09/1986
09/17/1986EP0194636A2 Ventilating device
08/1986
08/19/1986US4606399 Heat recovery system with combustion gas accelerator
08/12/1986CA1209395A1 Cooling and heating air jet device in building interior or exterior structure
06/1986
06/18/1986EP0184887A1 Ventilation unit for buildings, especially for draught-free dwellings
06/10/1986US4593628 Heating unit
05/1986
05/27/1986CA1205059A1 Central hot air heating system
05/20/1986US4589330 Ceiling structure
04/1986
04/16/1986EP0177657A1 System for the covering of the power requirements of a room
04/15/1986US4582042 Ceiling radiation heater and methods of operating same
04/10/1986WO1986002145A1 System for meeting the energy requirements of a room
03/1986
03/18/1986US4576333 Heating system
03/18/1986US4576221 System for tempering a room
03/12/1986EP0034146B1 Method and arrangement for heat conditioning of buildings
03/11/1986US4575001 Heat pump system
02/1986
02/12/1986EP0171028A2 Heating plant
02/04/1986US4567939 Computer controlled air conditioning systems
01/1986
01/29/1986EP0169689A2 Infra-red heating system
12/1985
12/31/1985US4561422 Hot air type heater
12/17/1985US4559441 Method of controlling a space heating system
12/11/1985EP0164221A1 Heating appliance
12/11/1985EP0163644A1 A heating or cooling device arranged below the ceiling.
12/10/1985US4557247 Warm-air heating apparatus
12/10/1985US4557084 Energy efficient building with underground concrete walls
11/1985
11/19/1985CA1196825A1 Method for preheating ventilation air in a building
11/05/1985US4550773 Heat exchanger
10/1985
10/09/1985EP0097653B1 Installation for tempering a room
10/01/1985CA1194266A1 Apparatus for controlling temperature in a unit type curtain wall
09/1985
09/17/1985US4541561 Heating equipment and method of operating same
09/10/1985US4539896 Air heating and filtering apparatus
09/03/1985US4538418 Heat pump
08/1985
08/27/1985US4537117 Fresh air device for mobile home or other dwelling
08/14/1985EP0151557A2 Hot air underfloor heating
08/07/1985EP0150888A2 Computer controlled air consitioning systems
07/1985
07/16/1985US4529123 Radiant heater system
07/16/1985US4528822 Heat pump refrigeration circuit with liquid heating capability
07/04/1985WO1985002877A1 A method of controlling the conditions in a dwelling-house
07/02/1985CA1189839A1 Heat exchange unit
06/1985
06/26/1985EP0146222A2 Heating System
06/18/1985US4523716 Cooling and heating air jet device in building interior or exterior structure
06/18/1985US4523518 Apparatus for controlling temperature in a unit type curtain wall
06/18/1985US4523438 Apparatus for recovery of heat from fumes in a heating system or from the ambient air
06/04/1985CA1188125A1 Ceiling structure
05/1985
05/23/1985WO1985002247A1 Method and device for operation of a heating plant
05/21/1985US4518033 Device for controlling the temperature of rooms in a building
05/21/1985CA1187302A1 Method of operating a heat augmented heat pump system
05/14/1985US4516408 Refrigeration system for refrigerant heating type air conditioning apparatus
04/1985
04/24/1985EP0138568A2 Heat pump system
04/17/1985EP0137006A1 Hollow floor, construction method thereof and installation for heating or cooling said hollow floor
04/09/1985US4509681 Control unit for make-up and combustion air circulation
04/02/1985US4507940 Air conditioning apparatus of the type embedded within a ceiling
03/1985
03/19/1985US4505328 System for conditioning air
03/12/1985US4503902 Heat exchanger for recovering waste heat
03/05/1985US4502467 Compact attic mounted solar heating pack assembly
02/1985
02/27/1985EP0133556A2 Prefabricated form-work element for cellular floor constructions
02/13/1985EP0132723A2 Device for heating rooms in a building
02/12/1985US4498624 Control unit with separate dampers for make-up and combustion air circulation
01/1985
01/23/1985EP0132153A2 Radiant heaters
01/22/1985US4494528 Solar heating system for beehives and other enclosures
01/22/1985CA1181379A1 Room-controlled forced-air heating system and method
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