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ANSI/ASHRAE/IES Standard 90.1: Energy Standard for Buildings Except Low-Rise Residential Buildings is an American National Standards Institute (ANSI) standard published by ASHRAE and jointly sponsored by the Illuminating Engineering Society (IES) that provides minimum requirements for energy efficient designs for buildings except for low-rise residential buildings (i.e. single-family homes ...
ASHRAE 90.1 follows a similar path of development and revision. [6] Though ASHRAE 90.1 is revised and published every three years just like the IECC, people can submit interim revisions at any time within this period. [5] ASHRAE has a standards committee that manages the process, and votes on the final versions of the energy code. [5]
ASHRAE was founded in 1894 at a meeting of engineers in New York City, formerly headquartered at 345 East 47th Street, and has held an annual meeting since 1895. [4] Until 1954 it was known as the American Society of Heating and Ventilating Engineers (ASHVE); in that year it changed its name to the American Society of Heating and Air-Conditioning Engineers (ASHAE). [5]
The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) provides lighting standards in ASHRAE 90.1-2004. EPAct of 2005 set a deadline for states to adopt the ASHRAE 90.1-2004 standards. [19] ASHRAE has recently published the 90.1-2010 with improved lighting standards, this includes:
The thermal insulation requirements in the USA follow the ASHRAE 90.1 which is the U.S. energy standard for all commercial and some residential buildings. [13] ASHRAE 90.1 standard considers multiple perspectives such as prescriptive, building envelope types and energy cost budget.
According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits. If there are carbon -carbon multiple bonds , there are four digits in all: the number of these bonds is the first digit and the number of carbon atoms minus one (C-1) is next.
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ANSI/ASHRAE Standard 55: Thermal Environmental Conditions for Human Occupancy is an American National Standard published by ASHRAE that establishes the ranges of indoor environmental conditions to achieve acceptable thermal comfort for occupants of buildings. It was first published in 1966, and since 2004 has been updated every three to six years.