Reports & Materials

Technical Report

Condensing Boiler Optimization

Presentation given at the 2016 Duluth Energy Design Conference.

Technical Report

Ventilation Retrofit Case Study: Reducing Supply Ventilation Flow

This case study gives an overview of ventilation systems and the retrofit commissioning done on the systems in a 24 story residential high-rise. The retrofitting resulted in energy savings of $6,899 with a payback of only 2 months.

Technical Report

Ventilation Retrofit Case Study: Reducing and Balancing Exaust Ventilation Flow

This case study gives an overview of ventilation systems and the retrofit commissioning done on the systems in a 14 story residential high-rise.

Technical Report

2014 Minneapolis Energy Benchmarking

Report outlining the findings from the third year of Minneapolis' energy benchmarking and disclosure policy.

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Technical Report

Destination Medical Center: Sustainable Energy Options

"Destination Medical Center: Sustainable Energy Options" was developed by CEE to provide the DMC Corporation (DMCC) Board with options for how this considerable development can meet climate and energy goals outlined in the DMC Sustainability Framework.

Technical Report

Combustion Safety Simplified Test Protocol Field Study

This project developed and evaluated a simplified combustion safety test procedure that could quickly identify the potential for water heaters, furnaces, and boilers to have significant spillage issues during normal operation.

Technical Report

Human-Building Interaction (HBI): Design Thinking and Energy Efficiency

This whitepaper introduces the concept of Human-Building Interaction (HBI), a user-centered approach that focuses on how occupants interact with buildings to consume energy.

Technical Report

Window Retrofit Technologies

Replacing the energy inefficient windows in existing buildings can resolve heat transfer issues.

Technical Report

e21 Initiative: Phase I Report

Phase I Report: Charting a path to a 21st century energy system in Minnesota

Technical Report

Advanced Rooftop HVAC Unit Controls Pilot

This pilot is field tested two advanced rooftop HVAC unit control strategies to determine cost-effective energy efficiency retrofit options for small to medium-sized businesses.