TY - RPRT TI - Field-based AFDD for refrigerant undercharge in residential HVAC systems: enhancing reliability through false alarm mitigation AU - Choi, Young Jae [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] AU - Yoon, Yeobeom [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0009000900020486) AU - Im, Piljae [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000295242402) AU - Jung, Sungkyun [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] AU - Kolar, Brian [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] AU - Dyer, Tim [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] AU - Choi, Youngsik [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Texas A&M University, College Station, TX (United States)] (ORCID:0009000706173809) PY - 2026 DO - 10.1016/j.enbuild.2026.117582 UR - https://www.osti.gov/biblio/3364708 ID - 3364708 ER -