UC Berkeley Energy Use in Buildings Enabling Technologies
Total Page:16
File Type:pdf, Size:1020Kb
UC Berkeley Energy Use in Buildings Enabling Technologies Title Technical Review of Residential Programmable Communicating Thermostat Implementation for Title 24-2008 Permalink https://escholarship.org/uc/item/5xd2f5fm Authors Do, Alexander Auslander, David M. Burke, William J. et al. Publication Date 2007 eScholarship.org Powered by the California Digital Library University of California Arnold Schwarzenegger Governor TECHNICAL REVIEW OF RESIDENTIAL PROGRAMMABLE COMMUNICATING THERMOSTAT IMPLEMENTATION FOR TITLE 24-2008 REPORT PROJECT FINAL Prepared For: California Energy Commission Public Interest Energy Research Program PIER Prepared By: University of California, Berkeley Month Year CEC-500-2007-XXX Prepared By: University of California, Berkeley Project Manager: Alexander Do Principal Investigator: David M. Auslander Berkeley, CA 94720 Commission Contract No. Insert: # Commission Work Authorization No: Insert: # Prepared For: Public Interest Energy Research (PIER) Program California Energy Commission Insert: Commission Manager Name Contract Manager Insert: Program Area Lead Name Program Area Lead Buildings End-Use Energy Efficiency Program Insert: Office Manager Name Office Manager Insert: Office Name Martha Krebs Deputy Director ENERGY RESEARCH & DEVELOPMENT DIVISION B.B. Blevins Executive Director DISCLAIMER This report was prepared as the result of work sponsored by the California Energy Commission. It does not necessarily represent the views of the Energy Commission, its employees or the State of California. The Energy Commission, the State of California, its employees, contractors and subcontractors make no warrant, express or implied, and assume no legal liability for the information in this report; nor does any party represent that the uses of this information will not infringe upon privately owned rights. This report has not been approved or disapproved by the California Energy Commission nor has the California Energy Commission passed upon the accuracy or adequacy of the information in this report. Acknowledgements The authors would like to thank all those who contributed to the research and development conducted in this project. Specifically, the authors recognize the following individuals who participated as invaluable members of the project team, without whom this work would not have been possible: • Charles Glorioso • Ed Koch • Leonid Vaynberg • Xin Yang Additionally, the authors appreciate the support and contributions of the following individuals and organizations: • The staff at the Center for Environmental Design Research, UC Berkeley • Charlie Huizenga, UC Berkeley • Tho Nguyen, UC Berkeley • Dan Chapman, UC Berkeley • Joseph J. Tavormina, Tavormina and Associates Inc. • e-Radio Inc. Finally, the authors express gratitude for the faithful support of the project’s advisors: • Ron Hofmann, PIER • Gaymond Yee, California Institute for Energy and Environment Please cite this report as follows: Do, Alexander, David M. Auslander, William J. Burke, Richard M. White, and Paul K. Wright. 2007. Technical Review of Residential Programmable Communicating Thermostat Implementation for Title 24-2008. California Energy Commission, PIER Buildings End-Use Energy Efficiency Program. CEC-500-2007-XXX. Preface The Public Interest Energy Research (PIER) Program supports public interest energy research and development that will help improve the quality of life in California by bringing environmentally safe, affordable, and reliable energy services and products to the marketplace. The PIER Program, managed by the California Energy Commission (Energy Commission), conducts public interest research, development, and demonstration (RD&D) projects to benefit California. The PIER Program strives to conduct the most promising public interest energy research by partnering with RD&D entities, including individuals, businesses, utilities, and public or private research institutions. PIER funding efforts are focused on the following RD&D program areas: • Buildings End-Use Energy Efficiency • Energy Innovations Small Grants • Energy-Related Environmental Research • Energy Systems Integration • Environmentally Preferred Advanced Generation • Industrial/Agricultural/Water End-Use Energy Efficiency • Renewable Energy Technologies • Transportation Technical Review of Residential Programmable Communicating Thermostat Implementation for Title 24- 2008 is the final report for the [PROJECT NAME] project ([WORK AUTHORIZATION NUMBER]) conducted by the University of California, Berkeley. The information from this project contributes to PIER’s Buildings End-Use Energy Efficiency Program. For more information about the PIER Program, please visit the Energy Commission’s website at www.energy.ca.gov/pier or contact the Energy Commission at 916-654-5164. Table of Contents Acknowledgements............................................................................................................................3 Preface..................................................................................................................................................4 Abstract................................................................................................................................................11 Executive Summary ...........................................................................................................................13 1.0 Introduction..........................................................................................................................17 1.1. The Programmable Communicating Thermostat ......................................................17 1.2. California Energy Commission Vision of PCT System Interfaces ...........................17 1.3. Technical Questions to Be Answered ..........................................................................19 1.4. Project Objectives............................................................................................................19 1.5. Report Organization.......................................................................................................22 2.0 Project Approach..................................................................................................................25 2.1. PCT System Interfaces, Minimum Functionality PCT Concept, and Support of Title 24 PCT Technical Working Group..................................................................25 2.2. PCT Proof-of-Concept (POC)........................................................................................26 2.3. RDS Site Survey Tool .....................................................................................................27 2.4. PCT Systemic Control Research ...................................................................................28 2.5. Recommendation for One-Way Interface....................................................................28 3.0 Summary of Project Outcomes...........................................................................................31 3.1. Preliminary Research .....................................................................................................31 3.2. Task 1.1: Investigate PCT System Interfaces...............................................................31 3.3. Task 1.2: Minimum Functionality PCT Concept ........................................................31 3.4. Task 1.3: PCT Proof-of-Concept....................................................................................32 3.5. Task 2.1: Demonstrate RDS One-Way Communication............................................32 3.6. Task 2.2: Demonstrate Two-Way Communication....................................................32 3.7. Task 2.4: RDS Site Survey Tool ....................................................................................33 3.8. Task 2.5: PCT Systemic Control Research ..................................................................33 3.9. Task 2.6: Support the Title 24 PCT Technical Working Group ................................33 3.10. Task 2.7: Recommendation for One-Way Interface ...................................................33 4.0 Preliminary Research ..........................................................................................................35 4.1. PCT Stakeholders............................................................................................................35 4.2. Use Scenarios...................................................................................................................38 4.3. Functional Requirements and Constraints..................................................................41 5.0 Technology Survey ..............................................................................................................47 5.1. Approach .........................................................................................................................47 5.2. Communication Interface..............................................................................................47 5.3. Expansion Interface ........................................................................................................49 5.4. Human-Machine Interface.............................................................................................54 5.5. HVAC Interface...............................................................................................................55 6.0 PCT Communication Interface Questions and Issues ....................................................57