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The RTF is a technical advisory committee to the Northwest Power and Conservation Council established in 1999 to develop standards to verify and evaluate energy efficiency savingsHeader Menu nwcouncil.org Contact primary-menu Calendar Work products UES Measures list Standard protocols list Supporting documents Propose a measure or standard protocol Proposed measures and status Whole Building Efforts Subcommittees Subcommittees Agricultural Irrigation Air Source Heat Pumps C&I Fans Subcommittee Climate Zone Subcommittee Clothes Washer and Dryer Connected Thermostats Demand Response Ductless Heat Pumps Guidelines Heat Pump Water Heaters Implementers Group Market Analysis Natural Gas Subcommittee New Homes Standard Protocol Non-Residential Lighting Operations Pump Systems Research and Evaluation Residential Behavior Residential Lighting RTF Policy Advisory Committee Secondary Glazing Systems SEEM Calibration and Measure Interaction Small and Rural Utilities Statistical Methods Whole Building Subcommittee Site menu Site menu Search Home Air Source Heat PumpsClose Navigation Home Calendar News & updates Decisions Guidelines About the RTF RTF Membership – 2019-2021 Work plan and budget Request for proposals Charter and bylaws Conflict of interest policy RTF Policy Advisory Committee Contacts Conservation achievements Work products UES Measures list Standard protocols list Supporting documents Propose a measure or standard protocol Proposed measures and status Whole Building Efforts Subcommittees Agricultural Irrigation Air Source Heat Pumps C&I Fans Subcommittee Climate Zone Subcommittee Clothes Washer and Dryer Connected Thermostats Demand Response Ductless Heat Pumps Guidelines Heat Pump Water Heaters Implementers Group Market Analysis Natural Gas Subcommittee New Homes Standard Protocol Non-Residential Lighting Operations Pump Systems Research and Evaluation Residential Behavior Residential Lighting RTF Policy Advisory Committee Secondary Glazing Systems SEEM Calibration and Measure Interaction Small and Rural Utilities Statistical Methods Whole Building Subcommittee nwcouncil.org Contact Close Navigation Home Toggle Siblings Air Source Heat Pumps Air Source Heat PumpsAt a GlanceStatus active Sector residential Previous MeetingDec 202011Fri Air Source Heat Pump Subcommittee: Extended Capacity Heat Pumps 2:00 PM-3:30 PM Summary
The RTF has convened multiple working groups to discuss issues related to measure development for air source heat pumps in multiple applications. Below is information concerning specific air source heat pump related topics that have been discussed through subcommittee involvement.Heat Pump Commissioning, Controls, and Sizing
Background and Discussion Scope
BPA has requested the RTF consider its proposal for revisions to the PTCS Air Source Heat Pump Specifications. The existing specification is referenced in three distinct heat pump UES measures: conversions from electric resistance heating system (pre-conditions baseline), heat pump efficiency upgrade (current practice baseline), and commissioning, controls, & sizing (current practice baseline). The proposal removes the PTCS certification requirements from the specification and develops separate specifications for each of the three heat pump measures. The subcommittee will review and provide its input on the draft proposed specifications. Then, the proposal will be made to the RTF. The goal is to present the revised specifications to the RTF for adoption at its August meeting.
The most recent working materials are below:Existing PTCS Air Source Heat Pump System Installation Standards (50k Word)Draft Proposed ASHP Conversion Measure Specification: Heat Pump shall be new and be rated by AHRI. Installation must comply with all applicable codes and manufacturer's requirements.Draft Proposed ASHP Efficiency Upgrade Measure Specification: Heat Pump shall be new and have an HSPF rating of not less than 9.0, as certified by AHRI. Installation must comply with all applicable codes and manufacturer's requirements. Draft Proposed ASHP CC&S Measure Specification (30k Word)
The RTF contracted with PECI and Northwest Energy Works to develop and perform an annual review of PTCS Service Providers, respond to PTCS-related issues during the review period, and facilitate the RTF PTCS subcommittee and its products.
November 15, 2010. PTCS subcommittee meeting held by phone and webinar.Proposed PTCS Service Provider review process presented, discussed and approved by committee. Providers to be sent data requests with responses due mid-December.Carrie Cobb at BPA proposed method for determining duct tightness baseline assumptions, given new duct sealing and testing requirements being considered for inclusion in the states building code. Item was discussed and approved for presentation before full RTF.
December 7, 2010. RTF Update. PTCS Service Provider data requests sent by email to: Ecos Consulting, Conservation Services Group, Efficiency Services Group, Oregon Energy Coordinators Association, Oregon Department of Energy, Washington State University Energy Program, National Center for Appropriate Technology, Idaho Office of Energy Resources, Proctor Engineering Group, Advanced Energy, Energy Inspectors, City of Ashland. Deadline of December 21 given.
January 4, 2011. RTF Update. Data received from: Ecos, CSG, ESG, WSU, NCAT. Initial review finds:Minimal coordination between providers in areas of QC, QA, technician statusQA is being done but follow up is not tracked in databases70 to 80 percent of measures inspected appear to be found in substantial compliance with specs
Report and preliminary recommendations to follow in next two weeks. Subcommittee meeting to be scheduled January 19-27.
New business includes discussion of request received from Bruce Manclark to recognize prescriptive duct ninja specs as deemed measure, working with him to develop proposal for committee review.
DocumentsDraft central list of PTCS trainers and master technicians (2/11/11, 60k PDF) Appendix C - Requirements for Utility Exemption from Independent Third Party Quality Assurance (60k Word) PTCS Service Provider Standards (90k Word) Appendix D - Exception Requirements to PTCS Service Provider Standard 6.1.5 (40k Word) List of RTF Approved Service Providers (45k Excel, updated 7/29/09) PTCS Heat Pump Commissioning Form (70k Excel) PTCS Heat Pump Commissioning Instructions (70k Word) PTCS Subcommittee Members Archives ELCAP Conservation achievements An advisory committee of: Northwest Power & Conservation Council ©2021 Regional Technical Forum. All Rights Reserved.