What Do a National Lab, a Home Builder, and an Elephant Have in Common?

The article details a Heat Pump Water Heater (HPWH) Tour across America, focusing on three key organizations in Colorado that are advancing the adoption of HPWHs. The tour highlights the research, development, and implementation efforts in making these energy-efficient devices a standard in homes. The first stop on the tour was the National Renewable Energy Laboratory (NREL) in Golden, Colorado. Here, researcher Bethany Sparn showcased the integration lab where NREL studies the interaction of HPWHs and other electric appliances with the grid. A primary focus of their research is the load-shifting capabilities of HPWHs, ensuring they can operate during off-peak electricity hours without compromising hot water availability for homeowners. NREL is also actively testing new 120-volt HPWHs, which can plug into standard outlets, making them more versatile. A recently funded project aims to miniaturize these 120-volt units to fit into compact spaces, such as closets in multi-family apartments, addressing a common installation challenge. The second visit was to Thrive Home Builders in Denver, a company integrating HPWHs into all its new home constructions. This adoption is driven by both evolving local building codes and increasing consumer demand for higher-efficiency water heating solutions. The article notes the challenge of installing HPWHs in townhomes, which typically have less available air space compared to single-family homes, as HPWHs require air to extract heat. Thrive Home Builders effectively overcame this by designing custom closets for the HPWHs and ducting them outdoors, demonstrating a practical solution for urban and multi-unit dwellings. The final stop in Colorado was Elephant Energy, a climate tech startup dedicated to helping homeowners electrify their residences. Elephant Energy assists consumers in creating electrification roadmaps and guides them through the entire process, including the installation of HPWHs. The company's services encompass coordinating installers, replacing existing water heaters, and facilitating the application for rebates, thereby simplifying the often-intimidating transition to electric appliances for homeowners. This comprehensive support aims to make the adoption of HPWHs more accessible and less daunting for the average consumer. The Colorado stops underscore the collaborative efforts from research institutions, construction companies, and consumer-focused businesses in promoting HPWH technology. These organizations are pivotal in making water heating more affordable and environmentally friendly, driving innovation and market transformation across the United States. The author, who embarked on this tour, emphasizes the significant potential of HPWHs in contributing to a more sustainable planet, encouraging further exploration of the Advanced Water Heating Initiative for those interested in the technology. #HeatPumpWaterHeater #NREL #ThriveHomeBuilders #ElephantEnergy #EnergyEfficiency #Electrification #CleanEnergy #SustainableHomes #HeatPumpWaterHeater #NREL #ThriveHomeBuilders #ElephantEnergy #EnergyEfficiency #Electrification #CleanEnergy #SustainableHomes