A present heating system or heating and cooling system does not include a tank for storing potable hot water in anticipation of a potable hot water demand. Although one or more temperature sensors may be used for providing feedback to heating of the contents of a tank water heater to achieve a setpoint temperature, the effect of stratification can cause layers of fluid having different temperatures in the tank water heater. Therefore, although portions of the contents of a water heater may be disposed at a setpoint temperature that is unfavorable for Legionella proliferation, there potentially exists other portions that may be disposed at temperatures suitable for Legionella proliferation, especially when the contents have been left unused for an extended period of time.

A present heating system or heating and cooling system does not include a tank for storing potable hot water in anticipation of a potable hot water demand. Although one or more temperature sensors may be used for providing feedback to heating of the contents of a tank water heater to achieve a setpoint temperature, the effect of stratification can cause layers of fluid having different temperatures in the tank water heater. Therefore, although portions of the contents of a water heater may be disposed at a setpoint temperature that is unfavorable for Legionella proliferation, there potentially exists other portions that may be disposed at temperatures suitable for Legionella proliferation, especially when the contents have been left unused for an extended period of time.

A system and a method for controlling twinned heating appliances are described. The system includes a first heating appliance and a second heating appliance. The first heating appliance includes a first blower and a first wireless communication unit. Further, the second heating appliance is operatively coupled with the first heating appliance as a twinned unit. The second heating appliance includes a second blower and a second wireless communication unit. The system also includes a primary control unit configured to receive speed data indicative of a speed of the first blower and speed data indicative of a speed of the second blower. The primary control unit is further configured to output a blower speed control signal to at least one of the first blower and the second blower to synchronize the first blower and the second blower.

A system and a method for controlling twinned heating appliances are described. The system includes a first heating appliance and a second heating appliance. The first heating appliance includes a first blower and a first wireless communication unit. Further, the second heating appliance is operatively coupled with the first heating appliance as a twinned unit. The second heating appliance includes a second blower and a second wireless communication unit. The system also includes a primary control unit configured to receive speed data indicative of a speed of the first blower and speed data indicative of a speed of the second blower. The primary control unit is further configured to output a blower speed control signal to at least one of the first blower and the second blower to synchronize the first blower and the second blower.

A present heating system or heating and cooling system does not include a tank for storing potable hot water in anticipation of a potable hot water demand. As such, no stratification of potable water held in a tank can occur. Although one or more temperature sensors may be used for providing feedback to heating of the contents of a tank water heater to achieve a setpoint temperature, the effect of stratification can cause layers of fluid having different temperatures in the tank water heater. Therefore, although portions of the contents of a water heater may be disposed at a setpoint temperature that is unfavorable for Legionella proliferation, there potentially exists other portions that may be disposed at temperatures suitable for Legionella proliferation, especially when the contents have been left unused for an extended period of time.

A cogeneration system includes, at least, a biomass-burner assembly, a water-heater assembly, a heating-assembly, a compression-tank assembly, and an electricity-generator assembly. Additionally, in some embodiments, the cogeneration further includes a cooling-assembly and a thermoelectric-generator assembly. The cogeneration system burns/combusts a biomass material, preferably wood, to generate wood gas. The wood gas is used to provide heating, cooling and electricity to an area, such as a building or off-the-grid areas such as campgrounds.

An electrolysis heating system includes: A) a generator containing distilled water and connected to a direct electrical current power supply unit for creating a gas electrolytic dissociation; B) a duct conveying the gas from the generator to a first sparger containing distilled water and provided with a replenishment duct for maintaining the level of distilled water; C) a duct conveying the gas to a second sparger containing distilled water; D) a duct conveying the gas from the second sparger to a safety solenoid valve; E) ducts conveying the gas from a safety filter towards a final duct; F) tangential fans along the path of the ducts; G) check valves between the tangential fans and the safety filter; H) a final duct conveying the gas towards an appliance; I) a pressure sensor monitoring outflow pressure; J) a temperature sensor monitoring outflow temperature; K) a control unit with a microprocessor/display.

An electrolysis heating system includes: A) a generator containing distilled water and connected to a direct electrical current power supply unit for creating a gas electrolytic dissociation; B) a duct conveying the gas from the generator to a first sparger containing distilled water and provided with a replenishment duct for maintaining the level of distilled water; C) a duct conveying the gas to a second sparger containing distilled water; D) a duct conveying the gas from the second sparger to a safety solenoid valve; E) ducts conveying the gas from a safety filter towards a final duct; F) tangential fans along the path of the ducts; G) check valves between the tangential fans and the safety filter; H) a final duct conveying the gas towards an appliance; I) a pressure sensor monitoring outflow pressure; J) a temperature sensor monitoring outflow temperature; K) a control unit with a microprocessor/display.

A micro-CHP gas boiler comprises a heat exchanger having a combustion space surrounded by a water flowpath, and a gas turbine assembly which is installed in the combustion space. The gas turbine assembly includes a generator surrounded by an annular combustion chamber and cooled by a water jacket which forms part of the flowpath, and a fuel gas compressor which is integrated into the thrust runner on the turbine rotor shaft between foil air bearings.

A micro-CHP gas boiler comprises a heat exchanger having a combustion space surrounded by a water flowpath, and a gas turbine assembly which is installed in the combustion space. The gas turbine assembly includes a generator surrounded by an annular combustion chamber and cooled by a water jacket which forms part of the flowpath, and a fuel gas compressor which is integrated into the thrust runner on the turbine rotor shaft between foil air bearings.