QUOTE(weikee @ Jul 22 2011, 03:48 PM)
Not easy because inverter load depend on temperature set, external temperature, area enclosure, and thermal efficiency of the area you install.
OK. Maybe i don't use inverter type.
Let say the normal 1HP power = 900W. I did check with Panasonic site non-inverter power.
1) Firstly, calculate the energy consumption in kWh
kWh = 900 W x 1 h = 0.9 kWh/1000
2) Secondly, calculate the cost of energy per hour
Energy Cost = 0.9 kWh x $ 0.40 = $0.36/Hour
* i used the $0.40 because the current usage with 1 aircond(myself) is reach 500kWhper month.
(for the pass 2 year never over 500KWH).
And now my new housemate install the new 1HP aircond + water heater, so i m going to tell them how much they should expect to pay me MORE. Currently they just pay RM20/person for electric + water.
So impossible i going to cover aircond usage for RM20/person.