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A wall to prevent the spread of fire; usually made of non-combustible material.
Industry:Energy
A vessel or tank where heat produced from the combustion of fuels such as natural gas, fuel oil, or coal is used to generate hot water or steam for applications ranging from building space heating to electric power production or industrial process heat.
Industry:Energy
A vertical structural element that holds up a roof, encloses part or all of a room, or stands by itself to hold back soil.
Industry:Energy
A vehicle with an engine capable of operating on two different types of fuels.
Industry:Energy
A valve used to mix heated water with cold in a heating system to provide a desired water temperature for end use.
Industry:Energy
A valve operated by a thermostat that can be installed in solar water heating systems to mix cold water with water from the collector loop to maintain a safe water temperature.
Industry:Energy
A value used to estimate interior air cooling requirements (load) calculated as the number of degrees per day (over a specified period) that the daily average temperature is above 65 degrees Fahrenheit (or some other, specified base temperature). The daily average temperature is the mean of the maximum and minimum temperatures recorded for a specific location for a 24 hour period.
Industry:Energy
A value that describes the ability of a material to conduct heat. The number of Btu that flow through 1 square foot of material, in one hour. It is the reciprocal of the R-Value (U-Value = 1/R-Value).
Industry:Energy
A unit used to rate the performance of a solar photovoltaic (PV) cells, modules, or arrays; the maximum nominal output of a PV device, in Watts (Wp) under standardized test conditions, usually 1000 Watts per square meter of sunlight with other conditions, such as temperature specified.
Industry:Energy
