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Investigation of Airtightness and Ventilation Interactions in New Multifamily Buildings – Phase III
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. to determine the negative impact that levels of compartmentalization, the measure of tightness of total envelope of an individual apartment including interior and exterior walls, could have on the performance of exhaust appliances. The study identifies the total static pressure needed by modern exhaust fans,…
New Construction|Residential Buildings -
Combi System Field Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with Energy 350 and ILLUME Advising, LLC to conduct field testing to demonstrate performance of combi systems in cold northwest climates and identify potential barriers to market adoption. According to results from this field study, combi systems, also known as combination water and space heating systems, save more…
Heating and Cooling|Natural Gas|Products|Residential|Technology -
2018 Washington Residential Code Energy Savings Analysis
The Northwest Energy Efficiency Alliance (NEEA) contracted Ecotope, Inc to estimate the energy savings of the 2018 Washington State Energy Code residential provisions (WSEC-R) compared to the 2015 and 2006 WSEC-R codes, as well as the 2018 International Energy Conservation Code (IECC). The 2018 WSEC-R code was developed by Washington State Building Code Council and…
Residential|Residential Buildings -
Commercial Pre-Rinse Spray Valves Standard Evaluation
The Northwest Energy Efficiency Alliance (NEEA) contracted with TRC Engineers, Inc. to evaluate NEEA’s participation in the U.S. Department of Energy’s Commercial Pre-rinse Spray Valve (CPSV) standard rulemaking process that concluded in 2016. The Final Rule that amended efficiency standards for spray valves required compliance by January 2019. Conducted in the third and fourth quarters…
Commercial + Industrial -
Laboratory Assessment of Rheem Generation 5 Series Heat Pump Water Heaters
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc., Cascade Engineering Services, Inc. and Larson Energy Research to conduct a laboratory assessment of Rheem’s next generation (Generation 5 or “Gen5”) heat pump water heaters (HPWH). The water heater series consists of two distinct lines: Premium/Plus and Builder, each aimed at different market segments. Each line includes…
Consumer Products|Products|Residential -
2020 Luminaire Level Lighting Controls Incremental Cost Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with Energy Solutions to estimate the additional equipment and labor cost to install Luminaire Level Lighting Controls (LLLC) compared to other options. The outcome of this annual study, conducted since 2017, enables NEEA to track cost trends and conduct cost-effectiveness analysis. The research team interviewed a total of…
Commercial + Industrial -
Coming Clean: Revealing Real-World Efficiency of Clothes Washers
The Northwest Energy Efficiency Alliance (NEEA) contracted with Kannah Consulting to better understand the real-world energy efficiency of consumer clothes washers. The research focused on washers’ impact on the energy use of the clothes dryer (drying energy). The project had two key objectives: 1) enable updates to regional unit energy consumption (UEC) and unit energy…
Consumer Products|Products|Residential -
2017 Oregon Residential Specialty Code Energy Efficiency Impact Assessment
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. to quantify the energy use, energy savings and incremental costs for residential codes in Oregon. Ecotope compared the 2017 and 2014 residential energy code for single-family (including townhomes) and low-rise multifamily units, defined as 3-stories or less. Study objectives include: The study analysis estimated incremental…
New Construction|Residential|Residential Buildings -
2019 Non-Residential Lighting Annual Survey Report
This report presents the results of the seventh annual Northwest electrical distributor lighting sales survey. The study is a joint effort of the Northwest Energy Efficiency Alliance (NEEA) and the Bonneville Power Administration (BPA). This yearly nonresidential lighting market analysis, conducted by Cadeo Group, provides the region’s utilities and other stakeholders with critical data for…
Commercial + Industrial|Regional Studies -
Selected Provisions From BPA Grant 83118
Some of NEEA’s contracts are partially funded by Bonneville Power Administration Grant No. 83118, the relevant portions of which are provided here for reference.