Sydney's HVAC Specialists
Sydney's AC Specialists — Installed, Serviced, Fixed Fast.
Installation, maintenance, repairs, and 24/7 emergency callouts across Southern Highlands, Illawarra & Greater Sydney.
15+
Years in Business
4,800+
Jobs Completed
Same Day
Response Available
Licensed
& Fully Insured
Why Choose Us
Why Sydney trusts Optiplex
ARCtick Licensed
Fully certified technicians
Fully Insured
Public liability covered
Same-Day Available
For urgent jobs
Sydney-Wide
Greater Sydney & surrounds
All Brands
Daikin, Mitsubishi, Fujitsu & more
Upfront Pricing
No hidden fees
Customer Reviews
What Sydney says.
"Optiplex installed our ducted system in one day. Clean, professional, and the price was exactly what they quoted. Couldn't ask for more."
Sarah M.
Mosman, NSW
"Called them at 7pm on a Friday when our AC died in the middle of summer. Technician was here within two hours. Absolute legends."
James T.
Parramatta, NSW
"Annual maintenance done on time, every time. They always find small issues before they become big ones. Great value."
Linda K.
Chatswood, NSW
Where We Work
Areas we service
From the city to the coast and the highlands — we cover it all.
Greater Sydney
- CBD & Inner City
- Eastern Suburbs
- North Shore
- Northern Beaches
- Western Sydney
- South Western Sydney
- Hills District
- Sutherland Shire
Southern Highlands
- Bowral
- Mittagong
- Moss Vale
- Berrima
- Robertson
- Bundanoon
Illawarra
- Wollongong
- Shellharbour
- Kiama
- Dapto
- Thirroul
- Port Kembla
Ready to book?
Get your AC installed, serviced, or fixed — fast. No fuss, no hidden fees.