Explore
-
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 -
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 -
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 -
2019-2020 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 -
2011 RBSA End Use Load Shape Data
The 2011 RBSA metering data is comprised of end-use loads measured at 15-minute intervals over 27 consecutive months. The participants are a subset of the full 2011 RBSA Single-family Report. The “RBSA End Use Load Shape Data” file and the “RBSA End Use Load Shape Flags Data” file are two supplemental files for the main…
Regional Studies|Residential|Residential Buildings -
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 -
New Homes Rater Focus Groups Research Report
In the fall of 2019, the Northwest Energy Efficiency Alliance (NEEA) contracted with ILLUME Advising to conduct focus groups with residential new construction raters. These sessions occurred during the Home Efficiency Forum in Portland, Ore. In support of NEEA’s Next Step Homes program, the research intended to increase understanding of the business practices of raters in the…
New Construction|Residential|Residential Buildings -
Ceiling Fan Standard Evaluation Report
The Northwest Energy Efficiency Alliance (NEEA) collaborated with other energy efficiency organizations to participate in the Department of Energy’s (DOE) process to establish an energy consumption standard for ceiling fans. NEEA, together with other efficiency organizations reviewed and made comments on the 2016 test procedure. This work changed the analysis used by DOE and affected…
Residential|Residential Buildings -
2019 Manufactured Homes Program Assessment
Energy 350 conducted a to-date assessment of the Northwest Energy Efficiency Alliance’s (NEEA) Manufactured Homes program. Initiated in 2016, the program was designed to build on earlier regional efforts in the manufactured homes sector. The focus of the assessment was to review the program’s market transformation theory, structure and effectiveness to-date. Energy 350 found no…
New Construction|Residential|Residential Buildings -
RBSA II Updated GPM Flow Rate Calibration
Cadmus used two different techniques to measure fixture flow rates for the RBSA II study: a flow bag and a flow microweir. Technicians did not record which method was used at the time of data collection. The study results for water flow rate were higher than those recorded in the RBSA I study, raising understandable concerns about market…
Regional Studies|Residential|Residential Buildings