Fannie Mae’s new report on energy usage in the multifamily sector found that affordable properties use 28% less energy per unit and are 29% smaller than market-rate properties. Market-rate units incur higher energy cost and use per square foot because there are more units per 1,000 square feet among affordable properties—1.29 affordable units, versus 0.91 market rate units per 1,000 sf.
The report, “Transforming Multifamily Housing: Fannie Mae’s Green Initiative and Energy Star for Multifamily,” provides comprehensive multifamily energy and water data. The first of its kind report serves as the basis for the EPA’s Energy Star Score for multifamily structures.
Costs differentials on energy use can be very steep for multifamily properties. The least efficient property could spend as much as $165,000 more in annual energy costs than a similar property operating at peak efficiently. When owners paid for all energy costs, median annual energy use was 26% higher than when tenants were responsible for paying energy costs.
In a related development, the EPA made its Energy Star score available for the multifamily sector on September 16. According to Fannie Mae, the score will enable owners and operators of multifamily properties with 20 or more units to quantify the energy performance of their properties.
(http://www.multihousingnews.com/news/fannie-mae-releases-major-study-on-multifamily-energy-use)
Related Stories
| Mar 6, 2013
EPA asks for feedback on Energy Star criteria on tubular daylighting devices and skylights
The U.S. Environmental Protection Agency (EPA) has requested feedback from stakeholders about draft two of the Energy Star tubular daylighting devices (TDD) and revised skylight criteria.
| Mar 6, 2013
AAMA moves to streamline windows, doors certification extensions
The American Architectural Manufacturers Association (AAMA) says it will update an interim procedural guide that will provide a documented, optional process to extend current, unexpired AAMA product certification.
| Feb 26, 2013
Tax incentive database for reflective roofs available
The Roof Coatings Manufacturers Association (RCMA) and the Database of State Incentives for Renewables & Efficiency (DSIRE) created a database of current information on rebates and tax credits for installing reflective roofs.
| Feb 26, 2013
Southern Pine Inspection Bureau publishes new design values effective June 1
New design values for all sizes and grades of visually graded Southern Pine dimension lumber were published in the Southern Pine Inspection Bureau’s (SPIB) Supplement No.13 to the 2002 Standard Grading Rules for Southern Pine Lumber on Feb. 11.
| Feb 26, 2013
ANSI standard for interior doors open for second public ballot
WDMA I.S.6A-11, Industry Standard for Interior Architectural Wood Stile and Rail Doors and WDMA I.S.1A-11, Industry Standard for Interior Architectural Wood Flush Doors, are now open for their second ballot for recognition as American National Standards.
| Feb 26, 2013
CRSI releases new technical note on stainless steel reinforcing bars
The Concrete Reinforcing Steel Institute (CRSI) has released a new technical note, Frequently Asked Questions (FAQ) about Stainless Steel Reinforcing Bars, to its online collection.
| Feb 26, 2013
Proposed ASHRAE standard revisions would boost requirement for automatic lighting
Proposed changes to the ASHRAE/IES energy standard would require automatic lighting controls in more space types and shorten the times before lighting is automatically reduced or shut off.
| Feb 20, 2013
Bill would make all California state building codes free and open source
California Assembly Bill 292 would make the California Code of Regulations (including the Building Codes) open source.
| Feb 20, 2013
Pittsburgh’s Phipps Conservatory aims for three top green certifications
The $15 million Center for Sustainable Landscapes at Phipps Conservatory and Botanical Gardens in Pittsburgh, a net-zero facility, is applying for certification from three of the world's most stringent green rating systems—the Living Building Challenge, LEED Platinum, and the Sustainable Sites Initiative.
| Feb 20, 2013
ANSI/CRRC Cool Roof Standard has been approved
The Cool Roof Rating Council says the American National Standards Institute has given final approval of its ANSI/CRRC-1-2012 Standard after a two-year public review process.