Download Data Unit_3 Hourly CSV Data File NREL_2021_2023_site_3_hp_HOUR.csv 1-Minute CSV Data File NREL_2021_2023_site_3_hp_MINUTE.csv Original CSV Data File site_3_hp_data_all.zip Parent Study Entity NREL Field Validation of Air-Source Heat Pumps for Cold Climates 2021-2023 Site ID NREL_2021_2023_ccHP_site_3 Zip Code 80021 Sector Residential