2023年冬季研究通讯
这篇文章补充了我们的季度研究通讯, 介绍中欧教育学院研究项目的最新进展. 报名 在你的收件箱中获取这些信息.
克服RTU改造增强的市场障碍
背景: Retrofit packages and technologies are viable options for existing standard efficiency rooftop units (RTUs) and offer a great opportunity for energy savings. 然而，改造仍然不常见. This project will define the barriers that have kept these products from significant market penetration and develop strategies to overcome those barriers based on the features and cost-effectiveness of specific enhancements.
更新: The project’s approach pairs market study interviews with short-term field demonstrations to test and compare specific RTU enhancements. The market study component revealed that a major obstacle to RTU retrofitting projects is a lack of education and awareness on the now much wider array of technology available. The project team will use results from the field studies to generate a one-page summary of findings as a helpful reference guide for key stakeholders to increase adoption. The project timeline has been extended and is projected for completion and a final report in 2023.
This project is supported by a grant from the 明尼苏达州 Department of Commerce, Division of Energy Resources through the Conservation Applied Research and Development (CARD) program, 是由明尼苏达州纳税人资助的吗.
优化新一代食品杂货制冷设备
背景: This project will field test design features that provide savings opportunities in carbon dioxide refrigeration systems that have not yet been addressed by 明尼苏达州’s utility programs. The team will conduct detailed field monitoring and validated modeling of local 安装ations to evaluate their performance and cost-effectiveness against typical CO2 system designs. These findings will inform recommendations for rebate program measures and guidelines.
更新: The third project site’s construction has been completed and monitoring with flooded medium temperature evaporator operation began in early fall. The project team expects to be monitoring all three field sites roughly through September 2023. The 安装ation of mechanical subcooling at the second site has been delayed due to damage that occurred during product shipment. 第一个站点, 测试绝热气体冷却, 在温和的夏季天气下，可以节省大量的水. 该项目的中期报告预计将于2023年初发布.
This project is supported by a grant from the 明尼苏达州 Department of Commerce, Division of Energy Resources through the Conservation Applied Research and Development (CARD) program, 是由明尼苏达州纳税人资助的吗.
多户和单户应用的冷气候热泵
背景: The 2018 CARD 明尼苏达州 Energy Efficiency Potential Study identified cold climate air source 热泵s (ccASHPs) as the technology expected to provide 25% of total residential electrical savings in the state in the coming decade. 这两个项目将确定, 安装, and analyze ccASHP applications in multifamily and single-family residences to develop and refine application protocols based on field data.
更新: The project team has completed 安装ation of ccASHPs at almost all test sites and collected data through a partial heating season. 从最初的结果来看, the team concluded that the ccASHPs could have operated more efficiently and they are in the process of further optimizing 安装ations and collecting and processing data on those updates. Project timelines have been extended and the team expects to summarize the test site data for a final presentation and report in 2023.
This project is supported by a grant from the 明尼苏达州 Department of Commerce, Division of Energy Resources through the Conservation Applied Research and Development (CARD) program, 是由明尼苏达州纳税人资助的吗.
空调用热泵
Background: This project will use characterization and modeling efforts to examine an emerging market product category of interest to manufacturers—air source 热泵s (ASHPs) that are designed and marketed as AC replacements. Using ASHPs to replace AC will provide increased cooling savings and help grow cost-effective channels to increase familiarity and acceptance of modern HVAC technology.
更新: 这个项目的8月网络研讨会现在可以在线观看, and the final report and deliverables are expected to be completed this winter. The study demonstrated that there is a large market opportunity for single-family homes to replace their current AC with a variety of available dual fuel ASHP products. The market is prime for transformational efforts to establish ASHPs as the new baseline technology but doing so will require increased education on the technology and more targeted incentivizing via rebates.
This project is supported by a grant from the 明尼苏达州 Department of Commerce, Division of Energy Resources through the Conservation Applied Research and Development (CARD) program, 是由明尼苏达州纳税人资助的吗.
电气化和气候适应能力
Background: CEE will partner with Michigan Technological University on a project funded by the Alfred P. 斯隆基金会 that will evaluate the barriers and opportunities to electrification of heating and cooling services in the rural north in Wisconsin, 明尼苏达州, and Michigan using three community case studies to understand the unique features of post-extractivist and Tribal Nation communities in this region. Results will compare energy justice outcomes across alternative pathways for the provision of resilient heating and cooling services, and this study will examine the expansion of new 可再生能源 and energy storage on rural lands required for electrification.
更新: 中东欧将协助规划住宅电气化工作, 监督现场工作和数据收集, 并协助分析和报告. CEE's primary tasks for this project will be the community-scale housing stock analysis and spatial scaling of individual and community-scale housing stock to the regional level and analysis of 热泵 performance in cold climates.
这个项目的资金是由阿尔弗雷德P. 斯隆基金会.