Solar - Passive
Solar Water Heat
Solar Space Heat
Geothermal Heat Pumps
Comprehensive Measures/Whole Building
Green Building Incentive
The Green Building Density Incentive program allows the County Board of Arlington to consider a modification of use regulations for additional density between .20 and .45 FAR for office buildings and between .25 and .50 FAR for residential buildings and/or additional height up to 3 stories for special exception site plan requests. The site plan proposal must guarantee a minimum level of energy savings and a LEED rating at the Silver, Gold or Platinum level, for the bonus to be approved. An additional 0.10 FAR may be awarded to buildings that commit to LEED certification and minimum energy savings plus either ENERGY STAR building certification or LEED for Existing Buildings (LEED-EB) certification.
The minimum level of energy savings for office and commercial projects is 20% above the baseline ASHRAE 90.1-2007 standard as defined under LEED EA Credit 1 – Optimize Energy Performance in the LEED 2009 rating system. The minimum level of energy savings for residential development is 18% above the ASHRAE 90.1-2007 baseline. All project owners will also be asked to provide ENERGY STAR Portfolio Manager utility reporting data after occupancy each year for 10 years.
The provision of LEED-certified green building components does not guarantee additional density and/or height, or any particular amount of density or height. The FAR bonuses are the maximum allowed for each level of LEED certification. Site plan requests for bonus density and/or height will be analyzed on a case-by-case basis based on the characteristics of individual sites.
Developers who participate in the site plan process (meaning their projects are special exceptions to the Zoning Ordinance) and do not agree to achieve official LEED certification are required to contribute $0.045/sq ft. The Green Building Fund is used to provide education and outreach to developers and the community on green building issues. If the building later receives LEED certification, the fee will be refunded. Those projects that agree to achieve LEED certification do not have to contribute.