heating degree-day
[ˈhi:tɪŋ diˈɡri:ˈdei]
Heating degree day (HDD) is a measurement designed to reflect the demand for energy needed to heat a building. It is derived from measurements of outside air temperature.
2026-08-12 17:40 浏览次数 32
Heating degree day (HDD) is a measurement designed to reflect the demand for energy needed to heat a building. It is derived from measurements of outside air temperature.