Reports & Materials

Technical Report

Condensing Boilers--Are They Cost Effective?

Paper written for ACEEE 2018 Summer Study on Energy Efficiency in Buildings.

Technical Report

Field Assessment of Ducted and Ductless Cold Climate Air Source Heat Pumps

Paper written for ACEEE 2018 Summer Study on Energy Efficiency in Buildings.

Presentation

Field Assessment of Cold-Climate Air-Source Heat Pumps

Presentation given at ACEEE 2018 Summer Study on Energy Efficiency in Buildings.

Presentation

Condensing Boilers- Are they cost effective

Presentation given at ACEEE 2018 Summer Study on Energy Efficiency in Buildings.

Technical Report

Field test of Cold Climate Air Source Heat Pumps: Case Studies

These case studies report on the results of a ccASHP installed in one unit of a recently completed St. Paul duplex and a single family home in Minneapolis.

Technical Report

Retrofitting 80% Residential Furnaces for High Efficiency

This research evaluated the actual savings, established implementation protocols, and demonstrated non-energy benefits of transport membrane humidifier technology in single family homes.

Technical Report

Cold Climate Air Source Heat Pump

Webinar

Air Source Heat Pumps: Cost-Effective & Cold-Climate Ready

Webinar covering the results from CEE's research on air source heat pump performance in cold climates.

Technical Report

Duct Leakage and Retrofit Duct Sealing in MN Commercial & Institutional Buildings

Field research to characterize existing large commercial building duct systems, quantify the potential for leakage reduction, and develop screening and diagnostic procedures to facilitate program-level implementation.

Webinar

Commercial Condensing Boiler Optimization

Technical overview of the research questions and findings as well as a discussion of targeted recommendations for utility energy efficiency programs and operator learning.