Gemin3 Air Conditioning
Takes on ducted installs in older homes that other companies said were impossible.
The thing that keeps showing up is Gemin3 taking on jobs other companies said could not be done, especially ducted systems in older places with tight ceiling or balcony space. Peter gets named for clear advice during quoting, while John and Joey are the ones customers mention for working out a system that actually fits the house. Install crew names rotate a fair bit, but Dave, JP, Scott, Tony, and Evan each get steady praise for turning up on time, keeping the site clean, and explaining how the new system works. A few customers note they had to chase up a small issue or a scope change after paying, but the owner generally sent someone back to fix it. If you are booking a complex retrofit, confirm which crew will be on site and ask about zoning up front.
Their work
What it's like working with them
Based on a sample of Google reviews (250 total)
“3 companies said they could not”
“pushed through and did a superb job”
“quoted the job and next day JP installed”
“even vacuumed before leaving”
“followed up with me to ensure everything was good”
What they help with
Based on what their customers hired them for
Credentials & background
Sourced from 4 public records so you don't have to look them up yourself
About Gemin3 Air Conditioning
Peter runs Gemin3 and tends to be the first voice you deal with on pricing and system advice. Joey and John handle inspections and sizing, and they both get mentioned for finding workable setups where others gave up. Scott, Dave, JP, Tony, Evan, Daniel, and Rocky appear across installs, with Dave and JP standing out on repeat jobs. The crew has a habit of taking difficult installs older duplexes, tight verandas, low-ceiling situations and getting them done. Several reviews mention them coming back after installation to sort zoning or niggling issues without a fight. They also work fast when it counts, with a few customers getting ducted systems quoted and installed inside a week. Cleanup gets called out constantly, including vacuuming carpets and hauling away old units. They seem best for whole-home ducted replacements and tricky residential retrofits, not just quick split swaps.
Best for whole-home ducted retrofits in older or awkward Sydney properties, replacing multiple split systems with one zoned setup, and urgent pre-summer installs.
Location
Often needed together
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Claim This Profile — Free →Common questions about Gemin3 Air Conditioning
What kind of air conditioning work does Gemin3 focus on?+
Reviews lean heavily toward ducted systems in homes, including older duplexes and two-storey properties. They also handle split and multi-split installs, unit replacements, and zoning setup. The team gets called on where conservative ducting space makes the job difficult.
Who should I ask for at Gemin3?+
Peter is the owner and handles most quoting and system advice. John and Joey come up for inspections and sizing. On install days, Scott, Dave, JP, Tony, and Evan are among the crew names customers mention for clean, efficient work.
Do they work fast when it is urgent?+
Several reviewers had systems quoted and fully installed within a week, and one got a same-day quote with install the next day. If you need ducted air conditioning quickly before summer or Christmas, they are a realistic option.
Do they clean up after installation?+
Yes, this shows up again and again. Customers mention vacuumed floors, old units taken away, and rubbish removed. A few even note they protected carpets and checked where vents and outdoor units should go before cutting in.
Do they come back if something is not quite right?+
A few reviewers flagged a scope or follow-up delay, but the common outcome was the owner sending a team back to sort it. Ask for the zoning and scope changes in writing before install day to keep everything clear.