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
Sustainability | Aug 30, 2016
New federal project plans must include climate impacts
Agencies must quantify the specific impacts when possible.
Green | Aug 29, 2016
Vancouver, B.C., to require zero emissions on new buildings by 2030
No net GHG emissions will be allowed.
Codes and Standards | Aug 25, 2016
Freddie Mac extends efforts to fund multifamily energy/water efficiency projects
The Multifamily Green Advantage targets existing buildings.
Codes | Aug 24, 2016
Weak building codes no match for recent natural disasters, say industry experts
The recent floods and wildfires in Alberta are being cited as proof.
Legislation | Aug 24, 2016
World Trade Center contractor found guilty of minority-owned business fraud
The company used two minority firms as fronts in a nearly $1 billion scheme.
Codes and Standards | Aug 22, 2016
Federal construction contractors propose reforms to federal project delivery
Industry leaders offer how procurement system could be improved.
Legislation | Aug 19, 2016
California lawmakers may take action to address contractor negligence
An assembly committee heard testimony on deadly balcony collapse that occurred last year.
Energy Efficiency | Aug 17, 2016
Investor Confidence Project aimed at raising trustworthiness on energy efficiency projects
The new initiative screens projects to see if they are investor-ready.
Standards | Aug 17, 2016
U.K.’S BREEAM green building standard enters U.S. market
The standard is touted as a cost-effective alternative to LEED.
Standards | Aug 16, 2016
Standard for conducting, reporting energy audits open for review
A joint ASHRAE/ACCA proposal seeks comments from industry professionals.