Increasing Residential Boiler Efficiency with Retrocommissioning & Improved Installation
Center for Energy and Environment – results from field study which characterized high-efficiency boilers and investigated potential for practical, cost-effective steps to improve performance of high-efficiency boilers through retrocommissioning and improved installation.
Slide Deck (.pdf)
Improving Energy Code Compliance through Support and Assistance Programs
Center for Energy and Environment – Results from CARD project which piloted two approaches to improve compliance of individual building projects: the first is to support design teams working on small to mid-sized buildings to minimize rework of plans after submission to the city; the second to provide technical assistance to city plan review staff.
Slide Deck (.pdf)
Overlooked Opportunity: Compressed Air Demand Reduction through Air Tool Replacement
Minnesota Technical Assistance Program (MnTAP) – overviews assessment of energy consumption from pneumatic hand tools in Minnesota and the potential for replacing these tools with electric tools, including demonstration of calculator tool developed for businesses to easily identify the costs, benefits and payback from making the switch.
Slide Deck (.pdf)
Opportunities for Making Minnesota Low Income Programs more Effective
APPRISE, Inc. – Results from CARD-funded statewide policy analysis and evaluation of low-income (LI) programs in Minnesota’s utility CIP portfolios. Outcomes of the study are intended to help Commerce staff and other stakeholders develop a better understanding of how LI CIP programs in Minnesota operate and how they might be made more effective.
Slide Deck (.pdf)
Real Performance in Real Buildings: Using Performance-Based Procurement in New Construction Projects
Seventhwave – Overview of outcomes from a CARD-funded pilot of a performance-based procurement process that allows building owners to specify and include energy performance targets in project request for proposals. Results from both programmatic and customer perspectives on how performance-based procurement works are presented.
Slide Decks (.pdf)
Humidification Retrofits Deliver Residential Furnace Efficiency
Center for Energy and Environment – Results from CARD field study which installed and tested the transport membrane humidifier (TMH) technology in four Minnesota homes. The device can retrofit the standard older furnaces to make them as or more efficient than new furnaces. This webinar provides a technical overview of the field assessment, measured energy savings, occupant feedback, and evaluation of cost-effectiveness for this type of technology.
Slide Deck (.pdf)
Field Assessment of Cold-Climate Air-Source Heat Pumps
Center for Energy and Environment – Overviews results from CARD field study testing the potential for the newest generation of air-source heat pumps (ASHP) which, as a result of technological improvements, can operate down to outdoor temperatures between 0oF and -13oF. This webinar included field data and analysis of how ASHPs performed at six different sites, as well as information on occupant comfort, cost-effectiveness, and how ASHPs interact with secondary heating systems.
Slide Deck (.pdf)
Webinar Script (.pdf)
Industrial Battery Charger Field Study
Franklin Energy – Results from CARD field study in the commercial/industrial sector which set out to evaluate the actual performance of high frequency battery chargers in order to determine if they are a viable energy savings measure that can be included in utility Conservation Improvement Programs in Minnesota.
Statewide Commercial Behavior Segmentation and Potential Study
Illume Advising and Seventhwave – Results from CARD study which measured the human and technical potential of behavior change among Minnesota small and medium businesses with less than 100 employees across key end uses. The study breaks out savings potential by end use practices for different regions and utilities in the state, as well as addresses the human barriers and drivers to adopting these practices within organizations. Results provide utilities in the state with the information necessary to assess savings opportunities and funding needs to support behavioral program development in the commercial sector.
Slide Deck (.pdf)
Best Practices to Optimize Commercial Condensing Boilers
Center for Energy and Environment – Results from CARD field study which monitored condensing boilers in eleven buildings, finding that on average these boiler are achieving just over half of expected savings. The investigation also estimated savings for a number of control, burner adjustment and piping changes that if implemented can improve boiler efficiency, and summarized implications for CIP programs in Minnesota.
Slide Deck (.pdf)
Research Results: Improving Installation and Maintenance Practices for Minnesota Residential Furnaces, Air Conditioners and Heat Pumps
— Seventhwave – Video summarizing results from CARD field study which looked at savings potential and CIP program strategies associated with quality installation and maintenance of residential HVAC equipment in Minnesota. The research included interviews with trade allies, telephone surveys with more than 700 homeowners, field tests on more than 100 residential systems and a year’s monitoring on nearly 60 systems.
How to get Top Performance from your Furnace, Air Conditioner or Heat Pump
— Seventhwave – Based on results from CARD field study which investigated quality installation and quality maintenance of residential HVAC equipment in Minnesota, this video addresses the most important steps homeowners can take to get top performance and superior comfort from their systems. It includes what to talk with your installer or service provider about as well as pointers on what you can do on your own.
Measuring Airflow for Residential Forced-Air Systems for HVAC Professionals
— Seventhwave – Based on results from CARD field study which investigated quality installation and quality maintenance of residential HVAC equipment in Minnesota, this video is for HVAC system professionals and talks about why proper air flow is important, how it affects system efficiency in the upper Midwest, and the pros and cons of different ways to measure air flow on residential air conditioners and heat pumps.
Commercial Rooftop Units in Minnesota: Characteristics and Energy Performance
— Seventhwave and Center for Energy and Environment – Results of CARD-Funded study which characterized existing packaged roof-top units and the new/replacement market for roof-top units in Minnesota. The webinar also reports on the results of monitoring the energy performance in a sample of roof-top units.
Advancing the Last Frontier: Reduction of Commercial Plug Loads
Seventhwave, Center for Energy and Environment and LBH Architects – Results of CARD field research study which demonstrated and measured savings from potential plug load reduction strategies in office buildings. The study also characterized the types of devices and baseline usage in those offices, and documented occupant acceptance, operational issues and the cost-effectiveness of reduction strategies. In addition to summarizing results, the webinar lays out a number of actions that can be taken by building operators, designers, energy professionals and utility program professionals to combat this growing load.
Minnesota Manufactured-Home Characterization Study
Seventhwave – Results of CARD large-scale field study of Minnesota’s manufactured homes to identify energy savings potential. The study included a telephone survey of more than 600 residents of manufactured homes as well as detailed on-site data collection of nearly 100 homes. The webinar discusses the research methodology and summarize key findings that can inform energy programs for this particular segment of residential customers.
CARD 2016 Stakeholder Meeting
Minnesota Department of Commerce – Recording of February 2016 stakeholder meeting on the CARD program, including a description of the RFP process, tips on creating successful CARD proposals, a response to questions about CARD, and an opportunity for participants to offer suggestions and feedback regarding the CARD program
Webinar Slides (.pdf)
The ABCs of Hotel Energy Efficiency: Advanced Technologies, Benchmarking, and Comfort
Michaels Energy – Results from a CARD energy efficiency program pilot for Minnesota hotels which show significant opportunities to reduce energy use with no negative impact to guest comfort and paybacks frequently 2 years or less. Recommendations for utilities, hotels, contractors and regulators on how to better serve this market sector are shared.
Hotel Webinar Slides(.pdf)
Aggregate Economic Impact of the Conservation Improvement Program 2008-2013
Cadmus – Results from a CARD project conducted by Cadmus which quantified and describe the impacts of statewide CIP-related activities and resulting energy savings that accrue through 2032 for eight economic barriers: employment, employee earnings, household income and savings, business revenue, industry production, capital investment and innovation, state domestic product and utility electricity and natural gas rates.
CARD Stakeholder Meeting Webinar Slides (.pdf)
Demand Control Ventilation: Maximize Savings with Practical Approaches
Seventhwave – Results of a CARD field study which investigated demand control ventilation (DCV) in several Midwest commercial buildings. The primary focus of the presentation is on DCV for variable air volume systems and will include discussion of field study results as well as best practices for implementation of DCV systems.
DCV Webinar Slides (.pdf)
DCV Fact Sheet(.pdf)
Hit the Right Note: Task Tuning for Commercial Lighting
Seventhwave – Results from a CARD field study which monitored several commercial building spaces before and after applying task tuning to the lighting systems. The presentation shares proper task tuning techniques and discusses overall research results, including verified energy savings and how task tuning could be included in utility conservation improvement program offerings in Minnesota.
Task Tuning Webinar Slides (.pdf)
Task Tuning Fact Sheet Link (.pdf)
Residential High Users: Causes and Opportunities
— Energy Center of Wisconsin - Results from first part of CARD project conducted by the Energy Center of Wisconsin which looked at 100 high consumption homes in Minnesota and identified possible causes as well as the technical and behavioral opportunities to reduce usage. The second part of this study will develop and test potential utility program approaches to address high users.
Optimizing Existing Rooftop Unit Energy Efficiency
— Minnesota Center for Energy Environment - Results from a CARD project conducted by the Center for Energy and Environment which investigated advanced technology retrofits such as variable speed drives and optimized controls for commercial rooftop units in Minnesota.
Energy Efficient Technologies for Roadway Lighting
Results from a CARD project conducted by Energy Management Solutions which examined the major design and specification concerns of roadway lighting, and quantified the costs and benefits of upgrading to more efficient street lighting.
Highway Lighting PowerPoint (.ppt)
Roadway Lighting Webinar QA (.pdf)
Improving Energy Efficiency in Convenience Stores
Results from a CARD project conducted by Michaels Energy which identified the opportunities for improving the energy efficiency in a sample of 50 Minnesota convenience stores, and recommended a program design for Minnesota utilities to more effectively capitalize on those opportunities.
Convenience Store Energy Efficiency Webinar presentation (.pdf)
Large Building Air Leakage Testing
— Minnesota Center for Energy Environment - Results from a CARD project conducted by the Center for Energy and Environment which is developing diagnostic procedures to identify air leaks and methods to calculate the savings from air sealing large commercial and institutional buildings. This video demonstrates a walk-through of field testing procedures.
Drain Water Heat Recovery Systems: Energy Savings and Practical Applications
Energy Center of Wisconsin - Results from CARD project conducted by the Energy Center of Wisconsin which installed and monitored drain water heat recovery systems in four commercial applications, including an apartment building, a restaurant, a self-service laundry, and a student housing facility.
Implementation of Successful Daylighting Control Systems
— Energy Center of Wisconsin - Results from a CARD project conducted by the Energy Center of Wisconsin which measured, analyzed and demonstrated the importance of commissioning daylighting systems in a group of 20 spaces located in a variety of Minnesota commercial buildings.