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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]
Central, "all-air" air-conditioning systems (or package systems) with a combined outdoor condenser/evaporator unit are often installed in North American residences, offices, and public buildings, but are difficult to retrofit (install in a building that was not designed to receive it) because of the bulky air ducts required. [32] (Minisplit ...
HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...
In July 2024, Johnson Controls said that it would sell its business for residential and light commercial buildings to Bosch for $6.7 billion. As part of this transaction, Bosch also intends to acquire 100 percent of the Johnson Controls-Hitachi Air Conditioning joint venture, including Hitachi’s 40 percent stake.
On April 28, 2024, Daikin Philippines President Takayoshi Miki hosted Daikin's first fun run, “Daikin: Run for Clean Air 2024” at Bridgetowne with 800 runners. [26] On May 21, 2024, Daikin Industries, led by President & CEO, Masanori Togawa with Chief global group officer and board chair, Noriyuk Inhoue, celebrated its centennial founding with a commemorative ceremony attended by 2,000 at ...
Illustration of an ice storage air conditioning unit in production. Ice storage air conditioning is the process of using ice for thermal energy storage. The process can reduce energy used for cooling during times of peak electrical demand. [1] Alternative power sources such as solar can also use the technology to store energy for later use. [1]
Solar air conditioning, or "solar-powered air conditioning", refers to any air conditioning (cooling) system that uses solar power.. This can be done through passive solar design, solar thermal energy conversion, and photovoltaic conversion (sunlight to electricity).
A small sample of flue gas is extracted, by means of a pump, into the CEM system via a sample probe. Facilities that combust fossil fuels often use a dilution-extractive probe to dilute the sample with clean, dry air to a ratio typically between 50:1 to 200:1, but usually 100:1. Dilution is used because pure flue gas can be hot, wet and, with ...