by Jim Meacham, PE, Principal, Altura Associates Today, building owners embarking on an energy upgrade have more data and more choice than ever before. Digital data from power meters, HVAC systems, lighting systems, and other building equipment are waiting to be tapped. And there are additional data streams available from the growing number of sensors and cameras that now [...]

Blaming all comfort complaints on HVAC can lead to wrong actions, a broken automation framework and ever more complaining and energy waste. A better approach is to open your inquiry to more of what's happening across the whole building, using analytics to reveal anomalies and correlations among a wider array of time-series data streams. “Round up the usual suspects,” [...]

Most folks don’t realize just how easy (and lucrative) energy efficiency improvements in an existing building may be, even for buildings that have undergone audits or retrofits in the past. Our clients are often surprised to find that an energy audit or retro-commissioning program with special focus on actually picking these low hanging fruit, can easily uncover 10-15% or [...]