Upgrade electrical switchboard to 3 Phase Power for new ducted aircondition

Kent requested 2 quotes from Electricians in Taringa

Need to upgrade switchboard to 3 phase etc to accomodate proposed new ducted airconditioning system of 20-25kw

JCK Electrical Contractors Pty Ltd

Zeal Data & Electrical

Fitting a timer switch to the hot water system in metre box
Supply and fit a 15amp timer to the hot water switch in metre box

Electrician needed to relocate power box/switchboard.
Electrician needed to relocate power box/switchboard.

Check/setup meter box for fitting of off-peak meter for hot water.
I have been informed by Ergon that an electrician must check/setup meter box...

Switchboard replacement
my current switchboard still contains ceramic fuses which blow several times...