Commissioning is a valuable tool, but according to the National Institute of Building Sciences, there is a great deal confusion as to what commissioning is, who is qualified to perform it, and the different types of commissioning agents.
You’ve heard a lot of talk about the deployment of the Smart Grid. Most of the initial smart grid deployments are focused on the de-ployment of smart meters that enable utilities to gather usage information in near real time — or what they call Automated Meter Infrastructure (AMI).
A Mississippi clinic needed above-average design on a budget. The equipment was nothing unusual. However, creativity and attention to detail uncovered opportunities to fine-tune the design and exceed ventilation benchmarks for less.
Engineers’ daily challenges include calculations for outside air, supply air, and return or exhaust air flows — all while balancing mandated code requirements with owners’ expectations for performance, equipment first-cost, and future energy costs.
ASHRAE has released the 2013 version of its indoor air quality standard, which according to the association, contains several revisions that will help users better meet its requirements.
Public input is being sought into revision of an ASHRAE/IES standard that addresses retrofit of existing residential and commercial buildings to achieve greater energy efficiency.