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The ASHRAE Handbook is the four-volume flagship publication of the nonprofit technical organization ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers [a]). This Handbook is considered the most comprehensive and authoritative repository of practical knowledge on the various topics that form the field of heating ...
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 ...
The York brand has been owned since August 2005 by Johnson Controls, when it was sold to them for $3.2 billion. [76] [77] At the time of the acquisition, it was the world's largest independent manufacturer of air conditioning, heating, and refrigeration machinery. Its stock symbol was formerly YRK.
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]
The New York City Police Department released these images of “a person of interest” in the killing of UnitedHealthcare CEO Brian Thompson. Quake rocks Northern California.
A recent study by the University of Southern California revealed that exposure to air pollution can harm children's learning and memory, the LA Post reports.. Ammonium nitrate, a specific ...
These cuts are an assault on New York City’s children and working families. This is the 5th straight year that Mayor Bloomberg has cut child care and after-school programs, and his newest cuts would mean more than 90,000 children stranded without care since 2009 – that’s a 61% decrease. The
This is a very common unit type. The rising cost of energy means that air conditioning manufacturers must develop a new generation of high-efficiency, cost-effective air conditioners for commercial buildings that meet or exceed a part-load efficiency standard of typically 18 IEER. The aim is to reduce energy use by 30% over current equipment.