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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 ...
The primary baseline national model energy codes are the International Energy Conservation Code (IECC), the ANSI/ASHRAE/IESNA Standard 90.1: Energy-Efficient Standard for Buildings Except Low-Rise Residential Buildings (ASHRAE 90.1), and ASHRAE Standard 90.2: Energy-Efficient Standard of New Low-Rise Residential Buildings.
Space By Space Method. A defined list of many possible space types within a building the associated watts per square foot allowance. For example, ANSI/ASHRAE/IESNA Standard 90.1-2007 allows the Emergency Space of a hospital to be designed for 2.7 watts per square foot, but the Recovery areas of a hospital would be allowed 0.8 watts per square foot.
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 committee’s goal was to have ASHRAE include minimum dehumidification efficiency requirements in ASHRAE Standard 90.1. [4] That standard is often used as the basis of building energy codes in the US and Canada, and also used worldwide as the baseline for voluntary energy programs such as LEED Certification (Leadership in Energy and ...
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]
There are two major systems to classify ductwork airtightness, one based on European standards, the other based on ASHRAE standard 90.1-2010.Both are based on the leakage airflow rate at a given ductwork pressure divided by the product of the ductwork surface area and the same ductwork pressure raised to the power 0.65.
The building model was developed to be consistent with typical new construction and meet the ASHRAE Standard 90.1 (ASHRAE 90.1) requirements. [15] The simulation results indicated that the full DOAS resulted in the annual HVAC energy cost savings ranging from 21% to 38%. [14]