Reports & Materials

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.

Technical Report

Direct Install Plus Multifamily Pilot Program - Final Report

The Center for Energy and Environment designed, recruited participants for, and completed a pilot program for 10 multifamily buildings with a total of 306 units to determine the viability of a “direct install plus” program design for Minnesota apartments.

Technical Report

Field Assessment of Energy Audit Tools for Retrofit Programs

This project field-tested three different building performance models of varying complexity, in order to assess their value as rating systems in the context of a residential retrofit program.

Technical Report

Home Energy Improvement Index

This paper describes CEE's Home Energy Improvement Index which is designed for use with residential energy efficiency programs, specifically targeting cost-effective retrofits for existing homes.

Technical Report

Program Results from the State of Minnesota's Existing Building Commissioning Program

Energy investigations of 227 Minnesota buildings identified best practices for program managers. A rigorous quality assurance experience highlights the need for a training and certification process for EBCx providers.