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Plug-In Heat Pump Water Heaters: An Early Look to 120-Volt Products
The Northwest Energy Efficiency Alliance (NEEA) contracted with Larson Energy Research and Cascade Engineering Services, Inc. to conduct a laboratory assessment of the Rheem 120-volt heat pump water heaters (HPWH), a new class of HPWH coming to market that can operate on a 15-Amp, 120-Volt circuit. This report seeks to answer questions about their performance…
Residential -
CTA-2045 Water Heater Demonstration Project
The Northwest Energy Efficiency Alliance (NEEA) supported the Bonneville Power Administration (BPA) with this CTA 2045 Water Heating Demonstration project. The project sought to create a market transformation plan that would put the Northwest on a path to make hot water heating load shifting simple for customers without affecting their lifestyle. To do this, the…
Residential -
Analysis of Expanded Efficiency Parameters for Very High Efficiency DOAS
As part of its High-Performance HVAC program, the Northwest Energy Efficiency Alliance (NEEA) focuses on defining a very high efficiency dedicated outside air system (very high efficiency DOAS) configuration, including the various types of products and recommendations to designers and installers of systems. NEEA contracted with Red Car Analytics to conduct this report, which intends…
Commercial + Industrial -
Demand Response of Residential HVAC
To ensure the continued availability of energy-efficient products, services and practices to Northwest consumers, the Northwest Energy Efficiency Alliance (NEEA) conducts exploratory work to identify, develop and advance promising energy efficiency technologies and opportunities. As part of these research efforts, NEEA contracted with Cadeo to understand the demand response (DR) potential of residential HVAC equipment…
Residential -
Energy Savings from Efficient Rooftop Units in Heating Dominated Climates
The Northwest Energy Efficiency Alliance (NEEA) and Nicor Gas contracted with Cadeo Group to conduct energy modeling analysis of efficient rooftop units (RTU). This report describes the energy modeling analysis Cadeo performed to support the development of an efficient RTU initiative on behalf of NEEA and Nicor. Cadeo applied five different energy efficiency measures to…
Commercial + Industrial|Natural Gas -
Heat Pump and Air Conditioner Efficiency Ratings: Why Metrics Matter
This white paper examines efficiency metrics (ratings) for residential and small commercial heat pumps and explores the potential benefits and impacts of improving those metrics. It presents evidence that existing metrics are not reliable, particularly for modern, variable-speed heat pumps and air conditioners that are expected to be more efficient, but don’t always live up…
Residential -
Variable Speed Heat Pump Product Assessment and Analysis
The Northwest Energy Efficiency Alliance (NEEA) contracted with the Center for Energy and Environment to assess currently available centrally ducted variable speed heat pumps (VSHPs), also known as variable capacity heat pumps. The primary objective was to develop a better understanding of currently available products, pricing, performance specifications and equipment features. The research team developed…
Residential -
Variable Speed Heat Pumps – Technical Best Practices Gap Analysis
As part of the Variable Speed Heat Pump (VSHP) program, the Northwest Energy Efficiency Alliance (NEEA) contracted with TRC to capture the status of best practices for VSHP installations. Research goals included 1) Capturing the current state of best practices for residential VSHP installations; 2) Identifying where gaps of knowledge exist, and; 3) Providing a…
Residential -
Perfect Pairings? Testing the Energy Efficiency of Matched Washer-Dryer Sets
The Northwest Energy Efficiency Alliance (NEEA) contracted with Underwriters Laboratory (UL) to measure the energy use of matched pairs of washers and dryers and Kannah Consulting to analyze the collected data and develop recommendations. This new analysis builds off previous alliance research, including “Coming Clean: Revealing Real-World Efficiency of Clothes Washers,” and the 2016-2017 Residential…
Natural Gas