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Earth & Physical Sciences Building

The heating system was always operating at its highest temperature, even during mild or warm weather. We modified this to adapt the system temperature based on actual needs of the building. 

Commodity

Heating Hot Water

Model

Linear Regression

Fiscal Year Savings

$20,510

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Shields Library

The pressure sensor that regulates one of the large supply fans was defective, causing the fan to run at full speed at all times. We had the sensor replaced and the fan started modulating its speed again.

Commodity

Electricity

Model

Bin Simulation

Fiscal Year Savings

$15,980

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Student Health & Wellness Center

Air Handling units that served administrative spaces were enabled 24/7, even though those spaces were only occupied during business hours. In addition, several hot water and chilled water valves were not closing completely, causing simultaneous heating and cooling. All these issues were addressed.

Commodity

Steam,

Chilled Water

Model

Linear Regression

Fiscal Year Savings

$10,040

The Energy Engineering team also identified many buildings with HVAC schedules did not match actual occupancy patterns. HVAC systems were running on weekends and into late hours on weeknights, even though the buildings were mostly vacant at those times. In the last fiscal year, the Energy Engineering team adjusted HVAC schedules for almost 30 buildings, working closely with building managers and stakeholders to clearly determine the needs of the occupants, and to guarantee that the new schedules would not negatively impact the University’s mission. 

Smaller Savings Add Up Too! 

By discussing issues with building maintenance services, our team realized that there were many smaller projects, or opportunities, to save energy around campus.

Below are some examples of savings from our Opportunities Log. 

Generally, these projects involve fixes such as: 

  • repairing broken or dysfunctional equipment that goes unnoticed 

  • investigating and fixing programming bugs or errors in control sequences

  • investigating and removing control overrides that cause increased energy use

Energy Conservation Office is a part of Facilities Management at UC Davis.

University of California

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MEET THE ACE TEAM

ACE Takes on Big Projects in Existing Buildings

The Energy Engineering team in Facilities manages the Active Commissioning Enterprise (ACE), which is a self-funding program that maximizes energy efficiency in existing buildings. The ACE program began in 2015 with projects that sought to reduce building energy consumption through systems improvement and upgrade.

Ghausi Gets ACE'd
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Ghausi Hall is a great example of an ACE Project. The goal of the team was to reduce this lab building's  long-term energy usage.

 

What Did the Project Involve?

This project involved a one-year observation period, a 2-year installation of new energy saving technology throughout the building, and a 9 month period of post- installation energy monitoring.

 
What were the project goals? 
  • improve building efficiency

  • improve occupant comfort

  • improve the building's financial well-being 

Trim the Waste Successes
NIGHTTIME AND WEEKEND SAVINGS
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TRIM THE WASTE
VIDEO SERIES
HVAC COMMISSIONING