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Inorganic chemicals are given numbers equalling 700 plus their molecular weight, if the weight is less than 100, or 7000 plus the molecular weight otherwise. Suffixed capital letters "A", "B", ... may be used to distinguish different chemicals with the same molecular weight. [1]: §4
Commercial Air Conditioning: Suited for larger commercial spaces, including offices and retail locations. Industrial Refrigeration: Used in industrial processes requiring precise temperature control. Transport Refrigeration: Essential for maintaining temperatures in refrigerated transport systems.
The efficiency of air conditioners is often rated by the seasonal energy efficiency ratio (SEER), which is defined by the Air Conditioning, Heating and Refrigeration Institute in its 2008 standard AHRI 210/240, Performance Rating of Unitary Air-Conditioning and Air-Source Heat Pump Equipment. [61]
Lennox air conditioners are known for energy efficiency, however they are louder than other brands of air conditioners: the industry average of 40 to 60 decibels, and Lennox machines are 70 decibels. Even though the Merit series is considered the budget line of Lennox air conditioners, it is still more expensive than most comparable models on ...
R-410A was invented and patented by Allied Signal (now Honeywell) in 1991. [5] Other producers around the world have been licensed to manufacture and sell R-410A. [6] R-410A was successfully commercialized in the air conditioning segment by a combined effort of Carrier Corporation, Emerson Climate Technologies, Inc., Copeland Scroll Compressors (a division of Emerson Electric Company), and ...
The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [1] [2] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs. The COP is used in thermodynamics.