Seminar 51 — Cold Climate Heat Pumps: Innovation is Heating Up!

$49.00 $24.50

Conference Proceeding by ASHRAE, 2020



This product is a zip file that contains files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.

Heating is by far the biggest consumer of energy in buildings, accounting for 25-43% of total energy use. Air source heat pumps have gained popularity in moderate climates due to their high efficiency; however, their performance has traditionally degraded steeply in cold climates. Cold climate heat pumps are designed to maintain capacity and efficiency even in extremely cold climates. This seminar will focus on applications and design considerations of cold climate heat pumps by discussing current
installations in the field and research and development prototypes that further improve cold climate heat pump performance.

  • 1. Performance of Cold Climate Heat Pumps in the Field
    Tom Marsik, Ph.D., Associate Member1 and Dane Christensen, Ph.D., Member², (1)Cold Climate Housing Research Center, Fairbanks, AK, (2)NREL, Golden, CO
  • 2. Assessment of Energy Savings and Payback Period for Two Multi-Stage Cold Climate Heat Pumps
    Bo Shen, Ph.D., Member, ORNL, Oak Ridge, TN
  • 3. Designing and Testing of a Packaged R-290 Cold Climate Heat Pump with External Flow Reversal
    Davide Ziviani, Ph.D., Member, Purdue University, West Lafayette, IN

Citation: ASHRAE 2020 Virtual Seminar

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