October 8, 2007—Johnson Controls recently completed the design and installation of a unique heat pump-based HVAC system and controls for the new San Jose, California, headquarters of Integrated Design Associates (IDeAs). According to Johnson Controls, this solution will allow the facility to operate on a net- zero energy use basis and also contribute to its net-zero carbon emissions. The building, a refurbished bank branch, is designed to generate as much electricity as it uses.
At a grand opening ceremony held recently at the IDeAs building, local officials and executives celebrated the project, which produced one of the first net-zero energy, zero carbon emission commercial office buildings in the nation.
The efficient heat-pump system circulates either warm or cool water through the concrete floor slab to create radiant heating or cooling, depending on the season. Additionally, solar panels on the roof run all systems and equipment in the building. According to David Kaneda, principal, IDeAs, the heat pump system has been operational since mid-August and provided a very cool and comfortable environment during some hot weather.
To further reduce electricity usage, the facility uses skylights in conjunction with energy efficient lighting systems, complemented by high-efficiency windows. On a sunny California day, sensors will switch off most of the facilitys lighting to decrease energy consumption.
To learn more about this facility, visit www.z2building.com and the IdeAs Web site. For more on Johnson Controls, see the company’s Web site.
