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But like so many analytics-driven pursuits, the FDD market is still emerging, remarks Serian, and it can be challenging for all vendors to match features and pricing to meet user needs something that’s still a work in progress across the board. “Plus we see an average of 18% energy savings on the building’s baseline energy usage,” says Serian. On the maintenance side, simply re-programming or fixing a damper or set of valves at a low cost or no cost can yield a 60% savings (compared to schedule-based maintenance), reducing the number of times a technician has to walk a building. The ROI on an advanced FDD investment can be eye-opening. “Fault don’t have to be equipment failures but often a sequence of operations that are not optimized.” “Air flow, temperature, damper positions, heating and cooling valve positions, all that data may or may not be sent to building operators currently, but most existing building frameworks are not designed to perform analytics on them to find faults,” adds Serian. With all the control points in a commercial building or portfolio of buildings the opportunities for fine-tuning are plentiful. The increased command and control afforded by FDD creates a direct view into how zone demands are changing over time, and relays the information back to the building operators. Customers have their own dedicated URL login, and can draw on a team of engineers that guide them with setup and support, or CopperTree can handle the setup start to finish. CopperTree Analytics’ solution is comprised of a CopperCube, an onsite module that buffers and transmits data to their cloud for the analytics. Owing to the ubiquity of Direct Demand Control (DDC) that many commercial buildings already have, advanced fault detection and diagnostics (FDD) systems can be relatively straightforward to implement in some of the buildings that need it the most.

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But if you’re seeing that temperature differential over a regular period during the week, it is a fault that would trigger with an actionable recommendation on how to improve the chiller system’s staging.” “If the chilled water supply temperature minus the return water temperature is low, like 2 degrees, the building doesn’t have a lot of demand for the cooling. “One setup would be with a chiller,” says Serian. They can be applied to the systems in a building automation system, and when a fault occurs (a process that isn’t running optimally) a dollar value can be attached to that fault. CopperTree Analytics has a library of 1,500 rules for making the most of these processes. Those insights are based on complex logic sequences that translate into more comfortable occupant zone control for example or better management of set points through automatic sensing and proactive response.

What were once known as energy efficiency “best practices” are being replaced by data driven insights. Those changes are translating directly into real savings for businesses. But data-driven firms like CopperTree Analytics, KGS Buildings, SkySpark - SkyFoundry Ecorithm, Iconics, and BuildPulse are part of a growing contingent of firms changing that landscape and empowering energy efficiency professionals. Static energy audits and maintenance inspections scheduled around time intervals as opposed to system performance signals have been the order of the day. For years, facilities managers have had limited insight into the performance of HVAC systems and building performance. “Monitoring based commissioning and the world of fault detection and diagnostics are all about three primary goals optimizing building performance, reducing energy consumption and improving occupant comfort,” says Peter Serian, Director of Business Development for the Eastern US at CopperTree Analytics. Fault detection and diagnostics under the umbrella of energy efficiency is an area of great potential. Though variable, electric costs alone account for nearly 75% of the energy expenditures of a typical commercial enterprise. After all, industrial and commercial buildings that propel the economy forward account for 39% of total US energy consumption and 38% of CO2 emissions. Whether it’s known as Monitoring Based Commissioning, Continuous Optimization, or Real-Time Energy Monitoring, the returns on implementing an analytics driven energy efficiency system is increasingly, an investment worth making. If you’ve got a soft spot for energy synonyms, the commercial energy monitoring market will not disappoint.