157838 ⎘
Hot-air central heating systems ; Exhaust gas central heating systems
Sub-classes:SPARK IGNITION MODULE AND METHODS
#2NOISE ABATEMENT SYSTEMS AND METHODS FOR A FURNACE
#3FURNACE
#4PROCESS AND APPARATUS FOR COMBUSTING HYDROGEN
#5Condensate drain system for a furnace
#6Spark ignition module and methods
#7Furnace using biomass pellets as fuel
#8MULTI-FUNCTIONAL CONVECTION ELECTRIC HEATER
#9Flow modulator for a fluid
#10Furnace
#11Condensate drain system for a furnace
#12Strain reduction clamshell heat exchanger design
#13Furnace inducer choke and a gas furnace employing the same
#14Setting value change device
#15Flue vent adapter for multi-poise furnace
#16Furnace
#17HVAC furnace condensate removal system
#18AIR-TREATMENT APPARATUS FOR USE WITH BUILDING
#19Furnace inducer choke and a gas furnace employing the same
#20Heating device with condensing counter-flow heat exchanger and method of operating the same
#21Flameless heater
#22Heating device with condensing counter-flow heat exchanger
#23Valve package
#24Hydronic air heater
#25Strain reduction clamshell heat exchanger design
#26Heater mounting system
#27Helical air distribution system
#28Home heating server
#29Condensing Gas Package Unit for Roof or Ground Installation, Collector, and Condensate Drain Apparatus
#30Low energy consumption climate control system and method for the realization of high heat-sound insulation building
#31HOME HEATING SYSTEM UTILIZING ELECTROLYSIS OF WATER
#32LOW ENERGY CONSUMPTION CLIMATE CONTROL SYSTEM
#33Solid oxide fuel cell assisted air conditioning system
#34Combined heating/hot water system for a vehicle
#35Use of renewable energy like solar, wind, geothermal, biomass, and hydropower for manufacturing combustion air for a fossil fuel burner and firebox
#36Portable heating apparatus
#37Ground heat exchanger