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National Efficient Rooftop Unit Energy Modeling
The Northwest Energy Efficiency Alliance (NEEA) contracted with Resource Innovations and A2 Efficiency to conduct a modeling study on commercial HVAC efficiency measures for various types of commercial rooftop unit (RTU) equipment. The study sought to understand energy-savings potential across different climate zones and present a comprehensive analysis of these of these measures. The research…
Commercial|Commercial Buildings|Heating and Cooling|Natural Gas -
Review of Market Share Forecast and Key Assumptions for Efficient Rooftop Units
The Northwest Energy Efficiency Alliance (NEEA) contracted with Cadmus Group for an independent review of the Efficient Rooftop Unit (RTU) program’s approach to developing a naturally occurring baseline market share forecast for Efficient RTUs. For the study, Cadmus Group reviewed NEEA documents, analytic code, and calculations, and then provided feedback and recommendations on NEEA’s naturally…
Commercial|Commercial Buildings|Heating and Cooling|Natural Gas -
Gas-Fired Rooftop Unit Efficiency Testing Task 3 Report
The Northwest Energy Efficiency Alliance (NEEA) works as part of a bi-national, cross-industry committee to support the revision of the CSA Group’s P.8 standard for Thermal Efficiencies of Industrial and Commercial Gas-Fired Package Furnaces. The revision seeks to represent a more accurate, holistic view of the overall energy consumption of an entire commercial gas-fired packaged…
Commercial Buildings|Heating and Cooling|Integrated Systems|Natural Gas|Technology -
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|Commercial Buildings|Heating and Cooling|Integrated Systems|Natural Gas|Technology -
Efficient Rooftop Unit Tiers Market Research
As part of its Efficient Rooftop Unit (Efficient RTU) program, the Northwest Energy Efficiency Alliance (NEEA) developed a specification outlining the best practices and approaches to delivering efficient natural gas RTUs that reliably deliver heating energy savings in Northern climates and are easy to install as a direct replacement for existing RTUs. The specification will…
Commercial|Commercial Buildings|Heating and Cooling|Natural Gas -
Energy Modeling of Commercial Gas Rooftop Units in Support of CSA P.8 Standard
The Northwest Energy Efficiency Alliance (NEEA) has been working as part of a bi-national, cross-industry committee to revise the CSA Group’s P.8 standard for Thermal Efficiencies of Industrial and Commercial Gas-Fired Package Furnaces. The CSA P.8 revision is meant to more accurately represent the overall energy consumption of the entire commercial gas-fired packaged unit. To…
Commercial|Commercial Buildings|Heating and Cooling|Natural Gas -
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…
Integrated Systems|Natural Gas