ASHRAE has released an expanded, revised version of ANSI/ASHRAE/IES Standard 90.1-2019, Energy Efficiency Standard for Buildings Except Low-Rise Residential Buildings.
It contains more than 100 changes from the 2016 version, including numerous energy-saving measures. The new version “focuses on energy-saving measures which we hope will reward designs for achieving energy cost levels above the standard minimum and result in more efficient buildings and more innovative solutions,” says Drake Erbe, chair of the Standard 90.1 committee, in an ASHRAE news release.
Notable changes include:
— Commissioning requirements were added for the first time.
— Minimum criteria for SHGC and U-factor were upgraded across all climate zones.
— Lighting power allowances for the Space-by-Space Method and the Building Area Method were modified to make them more representative of real-world conditions.
— An option to use ASHRAE Standard 90.4 instead of ASHRAE/IES Standard 90.1 requirements in computer rooms that have an IT equipment load larger than 10 kW was added.
— Clearer and more specific rules were added related to how renewables are treated. A new fan energy index (FEI) as the metric for efficiency provisions for commercial and industrial fans and blowers was added.
Related Stories
Codes and Standards | Aug 16, 2018
Nearly a quarter of opioid overdose deaths attributable to construction workers
Massachusetts public health study finds pressure to work in pain contributes to problem.
Codes and Standards | Aug 15, 2018
ICC creates new committee on building safety and security
Will include experts from many different disciplines.
Codes and Standards | Aug 14, 2018
Philadelphia adopts 2018 IECC energy code, while state opts for 2015 code
City is one of the first jurisdictions to adopt newest code.
Codes and Standards | Aug 9, 2018
Denver’s goal of 100% renewable energy by 2030 includes net zero energy buildings
Community solar programs for low income residents part of plan.
Codes and Standards | Aug 8, 2018
Too much parking in U.S. cities proving costly
As car ownership rates drop, excess parking seems more wasteful.
Codes and Standards | Aug 7, 2018
International Fire Safety Standards (IFSS) Coalition created
Professional associations and building standards organizations join forces.
Codes and Standards | Jul 31, 2018
Workers allegedly held in captivity by construction subcontractor in San Jose pay theft case
Contractor pays $250,000 in back wages in Dept. of Labor enforcement action.
Codes and Standards | Jul 17, 2018
Heat island effect can turn deadly in extreme conditions
Of all the impacts of global climate change, it’s extreme heat that kills more Americans each year than any other weather-related event.
Codes and Standards | Jul 17, 2018
NIMBYism, generational divide threaten plan for net-zero village in St. Paul, Minn.
The ambitious redevelopment proposal for a former Ford automotive plant creates tension.
Codes and Standards | Jul 17, 2018
In many markets, green features are more of a requirement for apartment renters
Renters in many U.S. cities have come to expect green features in apartments that they rent, with an eye toward energy efficiency and healthy indoor air.
