Explore
-
Ductless Heat Pumps 2022 Long-Term Monitoring and Tracking Report
This is the second Long-term Monitoring and Tracking (LTMT) evaluation of the Northwest Energy Efficiency Alliance’s (NEEA) Ductless Heat Pumps (DHPs) Market Transformation program. NEEA actively worked to accelerate adoption of DHPs from 2008 to 2020. The objective of this LTMT study was to gauge adoption of DHPs by the Northwest’s residential HVAC market, specifically…
Residential -
Heat Pump Water Heater Market Research: Challenging Installations Scenarios
In 2019, the Northwest Energy Efficiency Alliance (NEEA) created a framework for understanding and investigating various scenarios associated with challenging installations of heat pump water heaters (HPWHs). To better inform the scenarios identified in the framework, NEEA contracted with Cadeo Group in the summer of 2020 to explore the different challenging installation experiences installers faced…
Residential -
Hydrogen-Ready Appliances Assessment Report
In 2022, NEEA contracted with Cadeo Group to assess the current and future needs of natural gas appliances served by a blend of conventional methane and hydrogen. The attached report documents that assessment and provides recommendations for future actions to support efficient and safe use of hydrogen blended fuels in new and existing natural gas…
Natural Gas|Residential -
NEEA Energy Efficiency Test Procedure for Residential Clothes Dryers
A test procedure for clothes dryers used to generate utility energy savings estimates Version 2.0 – Updated December 2022 This document describes a clothes dryer laboratory test procedure used to calculate a real-world metric for residential clothes dryer energy use. The procedure describes the different cycles, settings, test load articles, and equipment needed to generate the…
Residential -
NEEA Dryer Test Procedure Version 2.0 – Summary of Changes and Rationale
In 2017, the Northwest Energy Efficiency Alliance (NEEA) collaborated with Pacific Gas & Electric to develop a Clothes Dryer Test Procedure that calculates an accurate metric for clothes dryer energy use (Version 1.2). Since then, NEEA conducted laboratory testing and applied the Version 1.2 test procedure to more than 60 dryers to gather information on…
Residential -
Central Heat Pump Water Heaters for Multifamily Supply Side Assessment Study
The Northwest Energy Efficiency Alliance (NEEA) contracted with New Buildings Institute (NBI) in January 2021 to conduct research and outreach to better understand the current landscape of central heat pump water heater (HPWH) adoption in multifamily buildings. Research objectives included 1) Identifying all primary barriers to central HPWH adoption, 2) Increasing understanding of the value…
Residential -
Study of High-Performance Windows Incremental Manufacturing Cost
The Northwest Energy Efficiency Alliance (NEEA) contracted with Steve Selkowitz, formerly of Lawrence Berkeley National Laboratory (LBNL), to conduct a cost study of high-performance windows. The study sought to quantify the incremental manufacturing cost of upgrading windows from the current dominant market leader, an ENERGY STAR® V6 compliant window with a U-factor of 0.27, to…
Residential -
CSA EXP07: Ongoing Progress, Lessons Learned, and Future Work in Load-based Testing of Residential Heat Pumps
Lessons Learned from Load-Based Testing of Heat Pumps How is performance of variable-speed heat pumps accurately measured? NEEA collaborated with PG&E, BC Hydro, and Purdue University to find out. Using CSA EXP07:19, a load-based test and rating procedure for residential air-source heat pumps and air conditioners, the collaboration determined that load-based testing offers a better…
Residential -
Heat Pump Water Heaters in Small Spaces Lab Testing: “The Amazing Shrinking Room”
The Northwest Energy Efficiency Alliance (NEEA) contracted with Larson Energy Research and Cascade Engineering Services, Inc. to conduct a laboratory assessment of space requirements and venting strategies for standard unitary heat pump water heaters (HPWH). The laboratory testing provides detailed information about known but previously unquantified challenges for HPWH efficiency in enclosed rooms. Interpretation and…
Residential -
Study of Influences on Northwest Variable Speed Heat Pump Adoption
The Northwest Energy Efficiency Alliance’s (NEEA) Variable Speed Heat Pump (VSHP) program contracted with Lieberman Research to conduct qualitative market research about influences on ducted VSHP market adoption in the Northwest. Research objectives included 1) Determining influences on central ducted VSHP sales in the Northwest, including direct and indirect influences from NEEA’s Northwest Ductless Heat…
Residential