Explore
-
Investigation of Airtightness and Ventilation Interactions in New Multifamily Buildings – Phase II
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. to examine the effects of increased envelope airtightness (a measure of air infiltration through building components such as walls, windows, doors, ceilings, and floors) on the performance of multifamily buildings. Driven by recent Energy Code changes in Washington State, this study seeks to determine the…
New Construction|Residential -
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 -
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 Oregon Commercial Energy Code – Energy Savings Analysis
The Northwest Energy Efficiency Alliance (NEEA) contracted Mike D. Kennedy, Inc to conduct the 2019 Oregon Commercial Energy Code Savings analysis (OCEC 2019). The OCEC 2019 replaces the previous 2014 Oregon Energy Efficiency Specialty Code (OEESC 2014) and was developed by the Oregon Building Codes Division. It has been adopted statewide for construction permitted as…
Commercial + Industrial|New Construction -
Washington State Commercial Energy Code Technical Roadmap Report
In 2020, the Northwest Energy Efficiency Alliance (NEEA) and the Washington State Department of Commerce developed a Washington State Energy Code (WSEC) Technical Roadmap (the Roadmap). The Roadmap is intended to assist Washington State in the achievement of its legislative goal to reduce annual net site energy consumption for commercial buildings by 70% relative to…
Commercial + Industrial|Commercial Buildings -
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 -
2019-2020 Washington Residential New Construction Code Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with CLEAResult to conduct research to better understand how the 2015 Washington State Energy Code (Residential Provisions) has affected new home construction and energy performance. The research team visited building code offices and single-family residences between September 2019 and January 2020. In the end, 184 houses were visited…
Residential|Residential Buildings -
Energy Modeling of Commercial Gas Rooftop Units in Support of CSA P.8 Standard
The Northwest Energy Efficiency Alliance (NEEA) has been working as part of a bi-national, cross-industry committee to revise the CSA Group’s P.8 standard for Thermal Efficiencies of Industrial and Commercial Gas-Fired Package Furnaces. The CSA P.8 revision is meant to more accurately represent the overall energy consumption of the entire commercial gas-fired packaged unit. To…
Commercial + Industrial|Commercial Buildings|Heating and Cooling|Natural Gas -
Oregon Residential Specialty Code: Energy Efficiency Analysis
The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. to conduct the 2017 Oregon Residential Specialty Code (ORSC) Energy Efficiency Analysis. The study was designed to evaluate energy performance for newly constructed homes to inform the future Oregon residential energy code and support the Governor of Oregon’s Executive Order in achieving the U.S. Department of…
Residential|Residential Buildings