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Advanced Water Heating Specification v7.0
The Advanced Water Heating Specification Version 7.0 (AWHS Version 7.0) will stay up as reference for organizations. The newest version of the AWHS Version 8.1 succeeds the AWHS Version 7.0 and the more recent AWHS Version 8.0. If you have any questions and or insights please contact us. This specification provides guidance to manufacturers and other market…
Products|Residential -
Robur Heat Pump Field Trial
The Robur air-source gas absorption heat pump (GAHP) has been identified as an efficient product for water and space heating in buildings in the Northwest. Utilization of a heat pump to heat water allows for a coefficient of performance that exceeds one, however actual heat pump performance varies throughout the year and is dependent on ambient…
Products -
Natural Gas Advanced Water Heating Specification
This specification provides guidance to manufacturers and market actors who are interested in developing products that can provide high levels of consumer satisfaction and energy performance in a range of climates.
Natural Gas|Products -
Gas Tankless Water Heater Combined Research Report
In 2019, the Northwest Energy Efficiency Alliance (NEEA) contracted with ILLUME Advising to examine the successes and challenges of the tankless gas water heater market in the Northwest. The study was conducted in two phases; Phase 1 occurred in early 2019 and focused on an extensive secondary literature review, while Phase 2 began in late…
Natural Gas|Products -
Lab Testing of Tankless Water Heater Systems
The objective of this study was to inform the Northwest Energy Efficiency Alliance (NEEA) and its members regarding the current level of performance of tankless water heaters, their potential energy and cost savings, as well as reliability and safety. A thorough laboratory evaluation was conducted of a sample of these products, most of which were donated…
Natural Gas -
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…
Heating and Cooling|Residential -
Northwest Heat Pump Water Heater Initiative: Market Progress Evaluation Report #4
In September, NEEA published the fourth Market Progress Evaluation Report (MPER) of its Heat Pump Water Heater (HPWH) program. By reviewing sales and pricing data, and through feedback from distributers, installers and recent purchasers, a third-party evaluator found: Additionally, a broad range of installers reported that customers followed their HPWH recommendations 30-50% of the time…
Heating and Cooling|Residential|Residential Buildings|Technology