A transpired solar collector includes the follows. An absorber panel having a body formed of stainless steel; a surface layer of chromium oxide on an exterior face of the body through-holes formed through the body and surface layer, in which the surface layer has a thickness of at least 70 nanometres.

A building using solar energy for heating and cooling is disclosed. The building comprises a fluid channel arranged for a fluid to transfer absorbed solar heat, a solar heat storage bank to store and supply the solar heat, and a mechanism for directing and controlling the flow of the fluid throughout the building. A insulating glass style solar heat collector (IGSHC) as a building element comprises a insulating glass means; a replaceable solar heat absorber removably received in a slot in the hollow space of the insulating glass, and separates the space into two subspaces; a fluid channel is thermally connected to the solar heat absorber for heat transferring; and a mechanism for directing and controlling the flow of said fluid.

A controller for use in a gas appliance system includes a circuit board, a plurality of connectors and a processor mounted on the circuit board. The processor controls operation of the gas appliance using, in part, at least one connector of the plurality of connectors and control settings for an intermittent pilot (IP) system in response to a user selection to configure the controller to control an IP system, and controls operation of the gas appliance using, in part, at least one connector of the plurality of connectors and control settings for a direct spark ignition (DSI) system in response to a user selection to configure the controller to control a DSI system.

A controller for use in a gas appliance system includes a circuit board, a plurality of connectors and a processor mounted on the circuit board. The processor controls operation of the gas appliance using, in part, at least one connector of the plurality of connectors and control settings for an intermittent pilot (IP) system in response to a user selection to configure the controller to control an IP system, and controls operation of the gas appliance using, in part, at least one connector of the plurality of connectors and control settings for a direct spark ignition (DSI) system in response to a user selection to configure the controller to control a DSI system.

A furnace including a combustion chamber for burning fuel can have increased fuel burning efficiency, increased heating efficiency, and decreased harmful emissions of combustion byproducts. A combustion air delivery system delivers primary and secondary combustion air to the combustion chamber. Primary and secondary combustion air may be delivered at amounts that increase burning efficiency. An amount of secondary combustion air can be controlled by a valve system. A heat transfer device efficiently transfers heat from products of combustion for heating an enclosed space.

A furnace including a combustion chamber for burning fuel can have increased fuel burning efficiency, increased heating efficiency, and decreased harmful emissions of combustion byproducts. A combustion air delivery system delivers primary and secondary combustion air to the combustion chamber. Primary and secondary combustion air may be delivered at amounts that increase burning efficiency. An amount of secondary combustion air can be controlled by a valve system. A heat transfer device efficiently transfers heat from products of combustion for heating an enclosed space.

A heating, ventilating, and air conditioning (HVAC) furnace includes a condensing furnace and a condensate removal system associated with the condensing furnace. The condensate removal system includes an electrolyzer having a container that may collect a condensate generated from an exhaust gas produced in the condensing furnace and an electrode disposed within the container and that may apply an electric current to the condensate to electrolyze the condensate and thereby generate condensate gases.

A system for adjusting and controlling temperature of an intelligent new energy farmhouse integrated with tunnel wind and solar energy. The system includes a house, a solar chimney system, a solar power supply system and a tunnel wind system. The house includes walls and a sunroom is mounted on outside of one of the walls; the house is provided with detection module being connected to master control module; the solar chimney system includes first Venturi tube provided on top of the house and connected to solar chimney which extends longitudinally along inside of the one of the walls; the solar power supply system is provided on top of the house; and the tunnel wind system comprises a water cellar with duct assembly provided inside the water cellar, one end of the duct assembly is connected to forced draft system and the other end is connected to interior of the house.

A device that heats/cools air includes a heat exchanger that contains hydronic fluid; a blower that moves air over and/or through the heat exchanger; a pump that circulates the hydronic fluid; a first vessel that contains hydronic fluid under pressure, air, a sealed first opening, a second opening that allows the hydronic fluid to exit the first vessel, a third opening that allows the hydronic fluid to enter the vessel, and a fourth opening; a second vessel that contains hydronic fluid at atmospheric pressure, a sealed first opening, and a second opening in communication with the first vessel, wherein the second vessel is in communication with the fourth opening; a valve that allows hydronic fluid to flow from the second vessel to the first vessel when pressure inside the first vessel decreases below zero psig, and prevents hydronic fluid from flowing from the first vessel to the second vessel.

A solar energy thermostatic controller using a solid-state microcomputer that manages air mover(s) to supply heated air for building space heating. Methods includes microcomputer software for communicating with temperature sensors located at the solar heating source, the supply vent source and the building room/interior. The present invention thermostatic control device features a data logger to record temperatures and humidity history, and elapsed time usage history of solar heated air available from attics and crawl spaces; or solar collectors mounted in or on walls, rooftops, or exterior locations. The thermostatic control device manages use of limited solar heated air for building environmental control. Program controlled temperature set points manage an HVAC blower to gather solar heated air during the daily sunlight solar excursion and to control shutdown of the supply system when solar heated air temperature falls below present room/interior temperature. Methods include permanent memory storage of historical data.