預算
用電成本估算
Estimate energy use from power and active time.
計算方式
kWh = watts ÷ 1000 × minutes ÷ 60 × days
Rated power may differ substantially from measured consumption because heaters cycle.
Estimate energy use from power and active time.
kWh = watts ÷ 1000 × minutes ÷ 60 × days
Rated power may differ substantially from measured consumption because heaters cycle.