Table 3.
Building characteristics of the 10 high-performing buildings included in the study
| City | Type | Size (sq. ft) | Year of Construction | Type/Year of Certification1 | Ventilation Strategy2 | Number of Participants |
|---|---|---|---|---|---|---|
| Boston | Non-Certified | <50,000 | 1929 | NA | CV, RC | 12 |
| Boston | Certified | <50,000 | 1929 | LEED EB v3 Platinum in 2012 |
VAV, SP | 12 |
| DC | Non-Certified | >500,000 | 1935 | NA | VAV, RC | 11 |
| DC | Certified | >500,000 | 1917 | Pending | CV, SP | 12 |
| Denver | Non-Certified | 50,000–100,000 | 1938 | NA | CV, RC | 8 |
| Denver | Certified | 50,000–100,000 | 1938 | LEED CI v3 Silver in 2011 |
CV, RC | 12 |
| San Jose | Non-Certified | 50,000–100,000 | 1971 | NA | CV, RC | 9 |
| San Jose | Certified | >500,000 | 1934 | LEED EB v3 Gold in 2015 |
VAV, RC | 12 |
| Los Angeles | Certified | <50,000 | 1953 | LEED EB v3 Platinum in 2013 |
VAV, RC | 11 |
| Los Angeles | Certified | <50,000 | 1929 | Pending | VAV, RC | 10 |
1
EB = Existing Buildings, CI = Commercial Interiors
2
CV = Constant Volume, VAV = Variable Air Volume, SP = Single pass with energy recovery ventilator, RC = Partial recirculation with reheat