This spring CBE’s research team received funding to support two new projects that will create new ways to gather, analyze and monetize data from commercial buildings, yielding energy cost savings and more comfort for building users.
Category: #HVAC research
Project Scientist Fred Bauman recently received the ASHRAE Fellow award, a recognition for those who have distinguished themselves in the HVAC industry. His contributions are based on the extensive research on UFAD that he directed at CBE, leading to deeper knowledge and guidance for these advanced HVAC systems. Recently, he has led a similar efforts to address thermally massive radiant systems.
CBE research has quantified what we all know intuitively: ceiling fans can provide acceptable comfort at temperatures that otherwise would be stifling. This enables passive solutions in milder climates, and may reduce the reliance on air conditioning in climates where passive solutions alone are not sufficient.
In March, CBE’s research team received news of a successful proposal led by the UC Davis Energy and Efficiency Institute to form a new California Energy Product Evaluation (Cal-EPE) Hub. The objective of the Hub is to evaluate commercially available technologies that are relevant to institutional and commercial customer procurement processes, including products related to energy efficiency, renewable distributed generation, and distributed storage.
This spring, CBE welcomes global HVAC manufacturer Daikin as one of its newest industry members. Having yet to fully establish themselves in North America, you could be forgiven for not recognizing their brand. However, with annual sales of over 17 billion dollars, Daikin is indeed a global leader in air conditioning equipment.
An important goal at CBE is to provide tools to assist industry professionals to create energy efficient and comfortable buildings. In 2013 we first launched the online CBE Thermal Comfort Tool as a way to help practitioners predict thermal comfort in buildings, based on ASHRAE Standard 55. We are excited to announce expanded capabilities in the most recent version of the tool.
CBE’s “Changing the Rules” Demonstrates an Occupant-Based Paradigm for HVAC Control for Energy Savings and Improved Thermal Comfort
CBE’s research team recently completed a project with goals of making buildings occupant-responsive in real time, and addressing outdated rules-of-thumb that lead to poor energy performance and occupant comfort. Findings demonstrated that “personal comfort” chairs led to comfort satisfaction for nearly all test subjects. The project team also developed and tested innovative HVAC control methods offering significant energy saving potential.
An expected benefit of IoT in buildings will come from an improved ability to monitor indoor environments in ways that lead to actionable insights. A panel session hosted by CBE explored three innovative methods to monitor buildings using the latest in sensing and communicating technologies. The ideas range from futuristic to immediately applicable, with a focus on measuring CO2.
As part of a four-year study on the design and operation of radiant systems, CBE collaborated with NBI and TRC Energy Services to complete nine case studies of commercial buildings that demonstrate good performance in terms of both energy performance and occupant satisfaction in buildings with radiant systems. The projects represent diverse approaches to radiant system design, including in-slab and ceiling panel solutions.
Two CBE Reports Reveal New Insights into Energy Performance and Design Practices for Radiant Systems in Commercial Buildings
Two reports released from UC Berkeley’s Center for the Built Environment provide valuable insights into the effectiveness of radiant cooling and heating systems, a promising HVAC technology that is becoming increasingly used in commercial buildings in North America, including in a high proportion of ultra-low and zero-net energy buildings. These reports reveal how such systems work in practice, analyzing comprehensive data from a large group of buildings in operation.