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Luminaire Level Lighting Controls Replacement vs. Redesign Comparison Study
The Northwest Energy Efficiency Alliance (NEEA) in conjunction with the University of Oregon’s Energy Studies in Buildings Laboratory completed the Luminaire Level Lighting Controls (LLLC) Replacement vs. Redesign Comparison Study in August 2020. LLLC systems have made significant advancements in recent years as a lighting solution that integrates daylight harvesting and occupancy sensing controls into…
Commercial + Industrial -
EXP07:19 Load-Based and Climate-Specific Testing and Rating Procedures for Heat Pumps and Air Conditioners
This report contains the results and analysis from initial testing done using the 2019 “technical review” version of CSA EXP07 load based test procedure and rating of heat pumps on. This test procedure and rating was designed to better characterize variable capacity heat pumps with capacity not larger than = 65,000 BTUh. These preliminary results…
Residential -
Power Drive Systems – Energy Savings and Non-Energy Benefits in Constant & Variable Load Applications
As part of the scanning work for Extended Motor Products opportunities, the Northwest Energy Efficiency Alliance (NEEA) contracted with Cadeo Group to execute research on Power Drive Systems (PDS). PDS offer significant energy savings potential in commercial and industrial applications. However, while adoption of PDS has increased steadily since the mid-20th century, several barriers remain…
Agricultural|Commercial + Industrial -
Market-Ready High-Performance Walls: Phase 2 Report
The construction of high performance or “advanced” walls represents a significant energy efficiency opportunity for the regional new home construction sector. This report provides information about moisture management, benefits of the wall systems, construction best practices, and code compliance resources. It documents the detailed process, components, and estimated costs of three highly energy efficient wall system…
Residential -
Market-Ready High-Performance Walls: Phase 1 Report
The construction of high-performance or “advanced” walls represents a significant energy efficiency opportunity for the regional new home construction sector. This report documents the detailed process, components, and estimated costs of three highly energy efficient wall system archetypes: This is the first of two reports that NEEA commissioned Earth Advantage Inc. to produce. This first…
Residential -
Robur Heat Pump Field Trial
The Robur air-source gas absorption heat pump (GAHP) has been identified as an efficient product for water and space heating in buildings in the Northwest. Utilization of a heat pump to heat water allows for a coefficient of performance that exceeds one, however actual heat pump performance varies throughout the year and is dependent on ambient…
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Condensing Rooftop Unit Field Study: Baseline and Final Report – 2018/2019 Heating Season
Condensing rooftop units (C-RTUs) have been identified as an efficient natural gas technology with energy savings potential in Northwest commercial buildings. C-RTUs face several challenges in becoming a widespread technology, including higher upfront cost, added complexity managing condensate, contractor unfamiliarity with the technology, and limited manufacturer offerings. To better understand these challenges and to evaluate…
Commercial + Industrial|Natural Gas -
Extended Motor Products Savings Validation Research on Clean Water Pumps and Circulators
As part of the Extended Motor Products (XMP) Initiative, the Northwest Energy Efficiency Alliance (NEEA) contracted with Cadeo Group to execute research on the installation characteristics and operation of Commercial and Industrial Clean Water Pumps and Commercial and Residential Circulators in the Northwest. The team designed this research effort to leverage both primary data collection…
Commercial + Industrial -
Lab Testing of Tankless Water Heater Systems
The objective of this study was to inform the Northwest Energy Efficiency Alliance (NEEA) and its members regarding the current level of performance of tankless water heaters, their potential energy and cost savings, as well as reliability and safety. A thorough laboratory evaluation was conducted of a sample of these products, most of which were donated…
Natural Gas