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2025 CBSA Data Dictionary
The Data Dictionary provides definitions, explanations, and levels of tables, variables, and acronyms found in the 2025 CBSA data files. < Back to all Commercial Building Stock Assessment Resources
Commercial + Industrial -
2025 CBSA Final Report
The 2025 Commercial Building Stock Assessment provides critical data to inform regional energy savings potential, load flexibility and forecasting.
Commercial + Industrial -
2025 CBSA Data Files
This data is from NEEA’s fifth Commercial Building Stock Assessment, representing data collected over a nine-month period beginning in August 2024. It includes a representative sample of commercial buildings gathered across the Northwest region. Whenever feasible, data was collected in a similar manner as the previous assessment to ensure continuity and comparability between the studies.…
Commercial + Industrial -
2025 CBSA User Guide
The 2025 CBSA User Guide provides instructions for working with the 2025 Commercial Building Stock Assessment dataset, including information on database structure, building and equipment data, sampling and weighting methods, statistical analysis, and examples of code for generating reliable estimates. < Back to all Commercial Building Stock Assessment Resources
Commercial + Industrial -
2025 CBSA Appendix
The 2025 CBSA Appendix serves as a technical companion to the study, documenting the methods, assumptions, data collection processes, and supporting materials used to develop and interpret the CBSA results. < Back to all Commercial Building Stock Assessment Resources
Commercial + Industrial -
Dual-Fuel Hybrid Residential Water Heater – Technical and Laboratory Evaluation
The Northwest Energy Efficiency Alliance (NEEA) co-funded a laboratory study conducted by GTI Energy to evaluate the Navien 120V Residential Dual-Fuel Water Heater. This novel product features multiple on-board operating modes and integrates an industry- first 120-Volt (V) electric heat pump paired with either a 40- or 60-kBTU/h natural gas condensing backup burner. The research…
Natural Gas|Residential -
Repeatability, Testing, and Rating of HRV and ERV Technologies using CSA SPE-18:24
Sponsored by the Northwest Energy Efficiency Alliance (NEEA) and conducted by Purdue University, this study evaluated the new CSA SPE-18:24 testing standard for Heat Recovery Ventilators (HRVs) and Energy Recovery Ventilators (ERVs) by testing four commercial products representing major HRV/ERV technologies. The objectives were to assess test repeatability, develop seasonal performance models, evaluate leakage testing…
Commercial + Industrial -
Dual-Fuel Domestic Hot Water Feasibility Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope to conduct a feasibility study of domestic hot water systems that integrate commercial electric heat pump water heaters and natural gas water heaters, primarily in multifamily buildings. The study examined the technical feasibility, gas savings potential, market opportunity, design considerations, and regulatory requirements associated with these dual-fuel systems. …
Commercial + Industrial|Natural Gas -
Evaluation of the U.S. Test Procedure for Residential Clothes Dryers
The Northwest Energy Efficiency Alliance (NEEA) contracted with Kannah Consulting to evaluate whether the U.S. Department of Energy’s current clothes dryer test procedure (Appendix D2 to 10 CFR Part 430) accurately predicts dryer energy use under real-world operating conditions. The study assessed 12 top-selling electric clothes dryers representing three efficiency groups: non-qualified, ENERGY STAR® qualified, and heat pump models. Each…
Residential -
Retail Product Portfolio: High-Performance Dryer Naturally Occurring Baselines Review
The Northwest Energy Efficiency Alliance (NEEA) contracted with Cadmus to review the naturally occurring baselines1 for ENERGY STAR® clothes dryers and heat pump clothes dryers. The study also explored whether separate baselines should be developed for clothes dryers based on drum sizes (compact or standard). Methods included a review of NEEA documentation, secondary research, and interviews with three clothes dryer market experts. Report findings suggest that no…
Residential