Reports & Materials

Technical Report

Characterization of 5 to 9 Unit Residential Buildings in Minneapolis

A study done by the Minneapolis Energy Office (MEO) characterizing 5 to 9 unit residential buildings in Minneapolis was conducted as one segment of an overall multifamily baseline study.

Technical Report

Achieving Even Space Heating in Single Pipe Steam Buildings

The Minneapolis Energy Office has been involved with research and testing of steam heated apartment buildings for four years. This paper summarizes and reports the results of our testing and the conclusions of our work to date.

Technical Report

Measured vs Predicted Savings from Single Retrofits

Energy savings from single retrofits in one-and two-unit homes have been investigated in order to provide more reliable estimates to homeowners who are considering a conservation investment.

Technical Report

Calibration of an Outdoor Reset in a Steel Fire Tube Boiler with a 3-way Mixing Valve

The Minneapolis Energy Office installed outdoor resets and 3-way mixing valves in three hot water multi-zone buildings with steel fire tube boilers in order to determine the cost and savings of this retrofit.

Technical Report

Data Quality Considerations in Using the Prism Program

We have found PRISM to be quite user-friendly and to normally produce realistic and robust estimates, but our testing and production experience also shows that its results can be quite erroneous if insufficient attention is given to several crucial data quality issues.

Technical Report

Single Pipe Steam Air Venting

The Minneapolis Energy Office conducted experiments both in the laboratory and in the field to investigate the properties of single pipe steam air venting.

Technical Report

Superinsulation – Questions of Cost Effectiveness

The energy use and economics of a group of superinsulated and conventional houses were studied. Conventional construction was found to use considerably less energy than is generally assumed. The economic advantage of superinsulation is therefore less.

Technical Report

Preliminary Evaluation of the Neighborhood Energy Workshop Program

The Neighborhood Energy Workshop (N.E.W.) Program is a comprehensive, neighborhood oriented energy conservation program co-sponsored by the City of Minneapolis and Minnegasco, a natural gas utility.

Technical Report

Measured Energy Savings from Outdoor Resets in Modern, Hydonically Heated Apartment Buildings

Since 1982 the Minneapolis Energy Office and Minnegasco have been testing outdoor reset and cutout controls in modern, hydronically heated apartment buildings.

Technical Report

Marketing a Conservation Program Through Grassroots Organizing Neighborhood Energy Workshop Program in Minneapolis

The Neighborhood Energy Workshop (N.E.W.) Program is a comprehensive, cost-effective, neighborhood-oriented energy conservation program that is co-sponsored by the City of Minneapolis and Minnegasco, the local gas utility.