April Guymon, PE‘s article, “An Enterprise Approach to Monitoring-Based Commissioning,” has been published in International Journal of Strategic Energy and Environmental Planning, Vol. 3, No. 5. The International Journal of Strategic Energy and Environmental Planning (IJSEEP) is a bi-monthly professional publication of the Association of Energy EngineersĀ® (AEE). April’s article is based on her 2020 AEE World Energy Conference & Expo presentation.

In this article, April suggests several key factors for a successful Monitoring-Based Commissioning program and presents several case studies that exemplifies improved energy, increased comfort, and supporting compliance using analytic software technology.

Click the image below to read the full article. An author biography and an abstract have been provided below.

Monitoring-based Commissioning



Monitoring-based CommissioningApril Guymon, PE, leads the MBCx team at ETC Group, leveraging her experiences in recommissioning projects with her knowledge of the BuildingFit analytics and SkySpark monitoring software platforms. Her hands-on experience at facilities in a variety of industries includes healthcare, higher education, government and central utility plants. Identifying energy efficiency opportunities in HVAC systems and working with construction teams, facility management and building owners have provided April with a unique perspective on building commissioning. April has a Bachelor of Science degree in mechanical engineering from the University of Utah.


Building performance drift is a common challenge facing facility management personnel as finely tuned and commissioned building heating, ventilating and air-conditioning (HVAC) systems may lose performance over time. Performance drift leads to wasted energy and increased annual energy costs. When this occurs for organizations managing many buildings the costs can be substantial. Evolving analytic technologies now allow organizations to centralize large amounts of building data. This creates opportunities to develop enterprise-wide strategies to manage key performance indicators (KPIs), including energy, comfort, and compliance, plus prevent performance drift. Advanced monitoring-based commissioning (MBCx) analytical software tools such as SkySpark, ClimaCheck and BuildingFit are examples of these technologies. To be successful using MBCx, the technological tools are only a part of the solution. It is also important to consider how to structure the facilities management teams for more streamlined communications and build a culture of curiosity and teamwork. Without the right organization and the support of the building maintenance team, the analytics become another ignored software. The purpose of this article is to suggest several key factors for an effective MBCx program. I review case studies that led to a successful pathway to reducing energy use, improving comfort, and supporting compliance.