Garage ventilation system in San Francisco achieves 97% energy savings
“Originally constructed in 1968, the Japan Center garage includes a two-level main and single-level annex structure covering 300,000 square feet altogether. Before the NES system was installed in March 2017, the garage had 45 fan-motor units that were 5-horsepower each. In addition to replacing those motors, NES added variable frequency drive technology. The NES system…