Reports & Materials

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.

Technical Report

Why Pay for Two Condensing Systems When One Will Do?

This paper covers the CEE's ongoing assessment and guidelines for combined domestic space and water heating systems.

Technical Report

Multifamily Ventilation Assessment and Retrofit Guide

The research for this project included the assessment of 18 multifamily building ventilation systems, with a focus on the following system types: apartment central exhaust systems, corridor ventilation systems and trash chutes.

Technical Report

Meeting Utility Resource Needs with Solar

Lindsey Hemly and Nathan Franzen of Geronimo Energy discuss about the company, the design and technical merits of the Aurora Solar Project, and the potential benefits to the utility, ratepayers, and the environment.

Technical Report

Energy Fit Homes: A Tool to Transform the Market for Energy Efficiency in Existing Homes

A state-level energy-efficiency certificate approach for homes that achieve a basic standard of energy efficiency could scale up residential energy efficiency. This paper describes the rationale for this program as well as the proposed standards and program process.

Technical Report

Minneapolis Energy Pathways: A Framework for Local Energy Action

This report reviews leading legal, regulatory, and program options for the City of Minneapolis and recommends actions to further its energy objectives.

Technical Report

Retrofitting Forced Air Combi Systems

This project analyzed combined condensing water heaters or boilers and hydronic air coils to provide high efficiency domestic hot water (DHW) and forced air space heating.