Abstract

Heat pumps offer a great low carbon emission method to heat homes. Thermalize Juneau 2021 was a clean energy campaign that helped homeowners in Juneau, Alaska install heat pumps into their homes. Juneau is located near the climactic limit of many heat pumps, and we were interested in how well the heat pumps can function in cold climates. This was done by using Sense meters to remotely monitor the energy usage of 10 homes with heat pumps. The Sense meters are small devices that connect to the electrical panel and monitor the energy use of multiple appliances through machine learning. First, we recorded the energy usage of a heat pump in the lab using both the Sense meter and the existing lab datalogger. Both recorded very similar energy usage data which confirmed that the Sense meter can accurately measure the fluctuations in the heat pump energy use. Next, we looked at the energy data from the Sense meters in the homes with heat pumps and paired it with local weather data to see how well the heat pumps functioned in the cold weather.
Original languageAmerican English
PublisherNational Renewable Energy Laboratory (NREL)
StatePublished - 2022

Publication series

NamePresented at the Science Undergraduate Laboratory Internships (SULI) Program Symposium, 4 August 2022, Golden, Colorado

NREL Publication Number

  • NREL/PO-5600-83616

Keywords

  • Alaska
  • buildings
  • defrost cycle
  • efficiency
  • energy
  • energy cost
  • heat pumps
  • heating
  • juneau
  • sense meter
  • thermalize

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