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Condensing Rooftop Unit Field Study: Baseline and Final Report – 2018/2019 Heating Season
Condensing rooftop units (C-RTUs) have been identified as an efficient natural gas technology with energy savings potential in Northwest commercial buildings. C-RTUs face several challenges in becoming a widespread technology, including higher upfront cost, added complexity managing condensate, contractor unfamiliarity with the technology, and limited manufacturer offerings. To better understand these challenges and to evaluate…
Commercial + Industrial|Natural Gas -
Commercial High-Performance HVAC Market Characterization
NEEA contracted with Opinion Dynamics to conduct the Commercial High-Performance Heating Ventilation and Air Conditioning (HP HVAC) Market Characterization. This study was designed to provide the program team and internal decision-makers insights into how to refine the size and nature of this transformation opportunity. The research team created a system replacement decision-making model based on…
Commercial + Industrial -
Building Commissioning – 2018 Long-Term Monitoring and Tracking Report
As part of the Northwest Efficiency Alliance’s long-term monitoring and tracking (LTMT) efforts on new and existing commercial building commissioning, Cadmus collected and analyzed data on 2018 commissioning activity in the Northwest.
Commercial + Industrial -
Natural Gas Water Heater and HVAC Installer Research Report
In order to design effective interventions in the installations of high efficiency gas HVAC and water heaters, NEEA hired ILLUME Advising to shed light on installers’ process in selling and installing water heaters and HVAC systems, and how the market and supply chain affect these decisions. Through a series of mixed mode research efforts, including ride…
Residential -
Pacific Northwest Residential Ventilation Effectiveness Study
This report provides data and conclusions about the actual performance of different types of ventilation systems as installed and operated in relatively airtight homes. Overall, this study found that total ventilation is not a determining factor in ventilation effectiveness. A key factor is the ventilation delivered to each occupied space. This is coupled with a…
Residential -
Ductless Heat Pump Market Research and Analysis
The U.S. DHP market differs significantly from overseas markets. Almost all residential HVAC systems in Asia and a vast majority of systems in Europe are ductless, while only a small percentage of homes in the U.S. utilize DHP technology. Slower U.S. adoption rates can be explained partly by cultural differences and partly by differences in…
Commercial + Industrial|Residential -
Residential New Construction (Single and Multi-Family) Billing Analysis
One of the objectives of the 2006 Residential New Construction Characteristics and Practices Study was to characterize the overall energy usage of these buildings. This short report discusses the methodology used to collect and analyze the data to estimate annual energy usage. Billing data reflected in this report represents data captured over a 16-month period…
Residential -
Analysis of Heat Pump Installation Practices and Performance
In 2004, a consortium of entities active in the conservation of energy in the Pacific Northwest, including the Bonneville Power Administration (BPA), the Northwest Energy Efficiency Alliance (Alliance), the Energy Trust of Oregon (Trust), the Northwest Power and Conservation Council (NPCC), Idaho Power and other regional utilities funded an indepth study of heat pump performance…
Residential -
Light Commercial HVAC Market Assessment
A market characterization study was completed for light commercial (< 25 tons) HVAC equipment in the Pacific Northwest. The objective was to develop a better understanding of the supply-side of the light commercial market, and specifically identify the key players, relationships, and approximate market size. The Northwest Energy Efficiency Alliance (Alliance) expressed an interest in…
Commercial + Industrial