may i know which model more save electric?
and how much the installation fee?
i wanna to install 5unit...
3 unit 1.5hp
1 unit 2hp
1 unit 2.5
location at sepang gold coast there...

what is the differ between this 3 model?
INVERTER FTK-T SERIES PREMIUM MODEL (latest 2016 model)
INVERTER FTK-Q SERIES (latest 2016 model)
Ecoking