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Washington Residential Code Evaluation
The Northwest Energy Efficiency Alliance (NEEA) contracted with TRC to conduct a residential code evaluation in Washington, examining new construction single family homes built under Washington State Energy Code (WSEC) 2018. The evaluation estimated compliance with the code, primary space and water heating fuel selection, the proportion of homes with gas hook ups and gas-using…
New Construction|Residential|Residential Buildings -
Variable Speed Heat Pump Baseline and Key Assumptions Review
As part of its Variable Speed Heat Pump (VSHP) program, the Northwest Energy Efficiency Alliance (NEEA) contracted with Cadmus Group for an independent review of the program’s naturally occurring baseline market share forecast and key assumptions for central/ducted Low Load Efficient VSHPs. Between March-May 2023, Cadmus reviewed NEEA’s data sources, documents and calculations, and then…
Heating and Cooling|Residential -
Dual Fuel and Gas Heat Pump Market Research
NEEA contracted with Lieberman Research to conduct a market research study to gather HVAC system buyer and HVAC contractor perceptions about four emerging HVAC technologies. The four technologies are: residential dual fuel heat pumps (gas furnaces paired with electric heat pumps), residential gas heat pumps, commercial gas heat pumps for space and/or water heating, and…
Commercial|Heating and Cooling|Natural Gas|Residential -
Oregon and Washington High CRI Bulb and Commercial Kitchen Equipment State Standards Evaluations
The Northwest Energy Efficiency Alliance (NEEA) engages in state and federal standards processes to support the adoption of standards that advance the efficiency of equipment and appliances available in the market. As part of these efforts, NEEA contracted with Michaels Energy to conduct an independent evaluation that 1) Qualitatively assessed NEEA and its partner organizations’…
Commercial|Residential -
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…
Heating and Cooling|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…
Heating and Cooling|Natural Gas|Products|Residential|Residential Buildings|Technology