Emerging Tech Reports

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  • HPWH Lab Report_AOSmith_PHPT_02.13.2012

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. and Cascade Engineering Services Inc., to conduct a laboratory assessment of the AO Smith Voltex hybrid heat pump water heater (HPWH) for northern climate installations.  Using a testing plan developed by Ecotope to assess heat pump water heater performance, Cascade Engineering Services evaluated the AO…

    Consumer Products|Residential
  • HPWH Lab Report_AirGenerate_ATI80_03.21.2013

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. and Cascade Engineering Services Inc. to conduct a laboratory assessment of the AirGenerate AirTapTM model #ATI80 hybrid heat pump water heater (HPWH) for northern climate installations. Cascade Engineering evaluated the ATI80 using a testing plan developed by Ecotope to assess heat pump water heater performance. 

    Consumer Products|Residential
  • HPWH Lab Report_AirGenerate_ATI66_02.22.2012

    The Northwest Energy Efficiency Alliance (NEEA) contracted with Ecotope, Inc. and Cascade Engineering Services Inc., to conduct a laboratory assessment of the AirGenerate ATI hybrid heat pump water heater (HPWH) for northern climate installations.  Using a testing plan developed by Ecotope to assess heat pump water heater performance, Cascade Engineering evaluated the 66-gallon version of…

    Consumer Products|Residential
  • Dimming Systems Characteristics

    Northwest Energy Efficiency Alliance commissioned a study to delineate the characteristics of 18 dimming systems as part of its Luminaire Level Lighting Control initiative. In theory, adjusting the light level by dimming 15 percent at the control station will have that intended effect (light level or power consumption reduction) at the light source or driver.…

    Commercial
  • Thermal Break Shear Wall: A Case Study of Rigid Foam Insulation between Frame and Sheating

    As part of our work on efficient homes, NEEA developed a case study on a Thermal Break Shear, an innovative wall assembly recently used in a zero-net-energy subdivision in Washington County, Oregon. This study demonstrates the opportunity for significant energy savings in a simple, low-cost assembly that offers additional benefits such as seismic tolerance while…

    Residential|Residential Buildings
  • Embedded Data Centers

    The data center market continues to evolve at a rapid rate. Embedded data spaces are consolidating as rack density increases and information technology performance increases. Physical data center footprints are shrinking and growing business demands are putting more pressure on data center managers to deliver more, with fewer resources. At the same time, decision-making related…

  • 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|Residential Buildings
  • Combination Ductless Heat Pump & Heat Pump Water Heater Lab and Field Tests

    This report summarizes the lab and field test findings for Mitsubishi’s prototype Ductless Heat Pump (DHP) Plus H2O product. This product combines a ductless heat pump with a heat pump water heater into a single, integrated product. Mitsubishi has teamed with a water heater partner for the water heater portion of the product. NEEA has…

    Residential
  • Secondary Glazing System (SGS) Thermal, Moisture, and Solar Performance Analysis and Validation

    Northwest Energy Efficiency Alliance intends to encourage Secondary Glazing System (SGS) manufacturers to measure the performance of their products using industry standard simulation or testing. This effort will allow building owners and design teams to effectively compare available product performance with consistent baseline conditions. The Ernest Orlando Lawrence Berkeley National Laboratory conducted this study to…

    Commercial
  • Residential Inverter-Driven Heat Pump Technical and Market Assessment

    In an effort to transform the residential space heating market in the Northwest, the Northwest Energy Efficiency Alliance (NEEA) has focused on promoting inverter-driven ductless heat pumps (DHPs) as a promising technology for displacing electric resistance heat. The market for this technology is evolving rapidly. The key objectives of this study are to identify relevant…

    Residential

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