Split, ducted, VRV and smart zoning air conditioning across Sydney.
Locally owned and operated. Honest advice, reliable service and clean, professional installations for homes and businesses. Free quotes and no call out fees.
Air conditioner not cooling, leaking water, showing an error code or tripping the breaker?
Same day service callouts during business hours.
Enquiry
Book a free site check
Leave your name and mobile. We call you back to confirm a time. Everything else is sorted on the phone.
Every enquiry gets a reply within 60 minutes during business hours.
Services
What we do
Split system air conditioning
Wall mounted split systems sized, installed and commissioned for single rooms, living areas and small offices.
Ducted air conditioning
Whole-home ducted reverse cycle with zoned control, installed in the roof space and outlets in every room.
VRV and VRF systems
Variable refrigerant flow systems for commercial buildings, apartments and large homes needing simultaneous heating and cooling.
Smart zoning
Individual temperature sensors, damper motor control and mobile app automation for ducted systems.
Recent work
Jobs we have finished
3.5kW Daikin Cora Split System
3.5kW Daikin Cora split system installed in an Earlwood granny flat. Clean external duct capping tailored to the masonry, level outdoor condenser mount and whisper-quiet indoor high-wall unit ready for winter heating and summer cooling.
- 3.5kW Daikin Cora reverse cycle split system
- Custom charcoal exterior pipe capping neatly routed around exterior brickwork
16kW Commercial System Upgrade for Dee Why Gym
Swapped out an aging 16kW unit for a brand new high-capacity commercial Daikin system inside an active Dee Why fitness gym. Suspended roof-cavity indoor fan coil unit, upgraded heavy-duty ductwork, and twin outdoor condenser bank to keep workouts cool under heavy load.
- Replacement of decommissioned 16kW unit with high-efficiency commercial Daikin system
- Ceiling grid drop and rigid steel suspension for main fan coil unit
20kW Daikin Ducted System New Build Rough-In
Full 20kW Daikin ducted reverse cycle system installed during structural framing on a major home build in Willoughby. Suspended indoor evaporator hung to rafters with structural threaded rod, precision plan coordination, and tailored multi-zone trunking layout.
- 20kW Daikin commercial-grade inverter ducted fan coil unit
- Precision ceiling joist suspension with isolated threaded rod hangers
Why MastroAir
A local crew you can rely on
No call out fees
We come out, assess the job and give you honest advice with no call out fee. Free quotes on every install.
Clean, professional installs
Neat pipework, tidy capping and a clean site when we leave. We treat your home like it is ours.
All major systems
Split systems, ducted, VRV/VRF and smart zoning. We work on Daikin, Mitsubishi, Fujitsu, Panasonic and more.
Local Northern Beaches crew
Locally owned and operated from Dee Why, servicing the Northern Beaches, Hills District, Sydney CBD and Eastern Suburbs.
Process
How it works, start to finish
Book a free site check
Tell us what you need. We come out, measure the room or check the fault, and give you honest advice on the best fix.
Fixed written quote
You get a written price with the unit size, brand options and install details. No call out fee and no deposit required.
Schedule the install
Pick a day that suits you. Most split installs are done in a single day, ducted systems take two to three days.
Install and commission
We fit the unit, run the pipework neatly, test the system and clean up before we leave.
Handover and warranty
We show you how to use it, set up the controller, and register your 5 year workmanship warranty.
Coverage
Sydney suburbs we service
Reviews
What Sydney customers say
"Got my new air conditioner today. First off, Luca was fantastic. The communication beforehand was really quick."
"We recently had our air conditioner unit replaced by Mastroair, and couldn't be happier. They were friendly, reliable and very well priced. Job was completed quickly and professionally. Would highly recommend Luca."
"Luca and the crew at Mastroair absolutely saved our necks on a job last year. We were in the middle of a major install and the original HVAC contractor bailed on us without warning. We were staring down a shutdown with clients breathing down our necks."
"Had both split system and ducted air conditioning installed and couldn't be happier with the experience. The technician, Luca, was extremely professional from start to finish. Turned up on time, explained everything clearly and completed the job properly."
"Luca and his team were prompt and professional, and at every chance went out of their way to go above and beyond. Might be the only tradie I've ever had who was a truly 5 star experience. Showed up on time, was super lovely and got the job done. Can't recommend Mastroair enough."
"Luca did an amazing job, he was really fast to come out and was able to finish a big job in a short time with great quality work."
"Luca and his team installed a new air conditioning unit and also upgraded our existing ducted system to an AirTouch 5 system. Everything was done efficiently and quickly and our home was left as it was originally. I highly recommend Mastroair."
"I had all my air conditioners serviced by Mastroair, and I couldn't be happier with the experience. Luca was prompt, reliable and left everything clean and tidy. He also educated me on the importance of servicing air conditioners regularly."
"Mastroair was contacted to provide a quote for replacing our ducted air conditioning. Luca attended the inspection promptly and provided us with a very competitive quote. The work commenced immediately and was completed to a high standard."
"So happy with the service we received from Luca. He was professional, reliable and made the whole process so easy from start to finish. Everything was done efficiently and to a high standard, and we couldn't be happier with the result. Highly recommend Luca for any air conditioning needs."
"From the initial phone call right through to the complete install, Mastroair were the ultimate professionals."
"I highly recommend Luca and his team if you're looking for a reliable, efficient and professional service. We had a ducted system installed without any issues, delays or surprise additional costs. It's refreshing to work with a company that delivers on its promise."
"I recently had a ducted air conditioning system installed by MastroAir and I'm absolutely thrilled with both the product and the installation process. Luca and his team were professional, efficient and clearly very experienced. They arrived on time, worked diligently and kept the entire area clean and tidy throughout the job."
"I have been dealing with Luca from MastroAir for quite some time. Luca has serviced multiple air conditioning units for me over the years. He's always been professional, thorough and well priced. I would not hesitate in using Mastro if you're looking for someone that is honest and you can trust."
"Luca is a great guy, did a fantastic job. Good pricing, showed up on time, cleaned up after himself. I highly recommend Mastroair. I will be passing on your details."
"These guys did an amazing job. Very happy with their prompt and friendly service, thank you."
"I couldn't be happier with the service provided by MastroAir. From start to finish they were exceptionally professional, punctual and organised. The team arrived right on time, completed the job efficiently and left everything clean."
"Top notch service. Luca was very prompt and went the extra mile getting us up and running in time for a family event during the peak of summer, which would've been a disaster if not for him. Truly exceptional."
"Luca really goes above and beyond for his clients. I not only recommend him to my friends and family but I also trust to recommend him to my clients. Very professional and thorough, 10/10."
"Really happy with the aircon, works perfectly. It heats and cools the room down super quickly. The work was done efficiently and very clean. Would highly recommend."
"Luca was very professional and helpful and extremely clean at the job. I highly recommend his service, he is very good and reliable."
"Great service. Quick, friendly and got the job done perfectly. Highly recommend."
Frequently asked questions
Common questions
Get started
Need air conditioning sorted in Sydney?
Book a free site check and get a fixed price in writing. For breakdowns, call now for a same day callout.