Ground floor Ducted Vacuum points are not working

Ash requested 3 quotes from Ducted Vacuum Systems Professionals in North Ryde

Double story house - first floor points working but ground floor has next to no suction.

Sydney Centravac- Not Keen

Hills central vacuum maintenance
Reduced suction for our hills central vacuum which needs to be repaired.

Old system not working like to replace with new app 1800 kilowatts
old vaccum ductted heating system not working would like to replaced with new...

Ducting from range hood through roof to exterior
Supply and install ducting leading from kitchen range hood, through flu,...