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Split system installation · South Lake

Split system installation in South Lake

South Lake sits in the heart of the City of Cockburn, an established family suburb where homes were built to ride out long, hot inland summers. Otter Air handles split system installs here from start to finish, with aircon and electrical kept under the one licensed roof.

  • ✓ Free quotes, upfront fixed pricing
  • ✓ Dual-licensed: aircon + electrical
  • ✓ Workmanship warranty

Split system air conditioning for South Lake homes

South Lake took shape through the 1970s and 80s, so the streets are dominated by single-storey brick-and-tile homes on standard suburban blocks. These houses suit a wall-mounted split well, but the original switchboards often weren't built with reverse-cycle air conditioning in mind. Adding a dedicated circuit, and upgrading an ageing board where needed, is routine work for us. Because Otter Air is dual-licensed in both air conditioning and electrical, the whole job stays with one team rather than being split between a fitter and a separate sparkie.

As an inland Cockburn suburb close to Bibra Lake and the Beeliar wetlands, South Lake cops the full force of hot, still summer afternoons without a coastal sea breeze to take the edge off. That makes correct sizing important, since an undersized head unit just runs flat out and never quite catches up. The most common requests we see are cooling a master bedroom and open-plan living area together, or replacing a tired old unit that has started leaking or tripping the breaker.

Where homes have been extended or rebuilt as double-storey on the original block, a multi-head system is usually the smarter answer, letting us zone the bedrooms upstairs and living areas below from a single outdoor condenser. Whatever the layout, our air conditioning South Lake installs are planned around tidy pipe runs, neat wall brackets and proper condensate drainage, so the finished job looks as good as it performs.

Installation cost

Split system installation prices in South Lake

Real supply-and-installed ranges for a standard back-to-back install (GST inc.). See the full breakdown in our Perth split system cost guide.

Unit size Suits Supply + installed
2kW Nursery, study, small bedroom $1,490 – $2,190
2.5kW Small bedroom, study $1,820 – $2,400
3.5kW Standard bedroom, small living $2,020 – $2,900
5kW Master bedroom, open-plan living $2,550 – $3,600
7kW Large open-plan living/kitchen $2,310 – $3,830
8–8.5kW Very large open-plan zones $2,575 – $4,455
9–9.5kW The biggest single-zone spaces $4,115 – $5,035
Multi-head Several rooms, one outdoor unit $4,500 – $11,000+

We also install around South Lake

Otter Air installs split systems right across the Perth metro. Nearby areas we service:

Not your suburb? We cover all of greater Perth — see all areas or read about our split system installation service.

Rated 5.0 from 23 Google reviews

Perth homeowners have trusted us for 10+ years. Here's what they say.

Real five-star reviews from Perth homeowners — see why locals choose Otter Air for air conditioning and electrical work.

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“Excellent Air Conditioning Installation Service! ⭐️⭐️⭐️⭐️⭐️ When looking to install 2 new aircons at my house, I was recommended to use Otter Air & Electrical and I couldn't be happier with the service provided by Matt and his assistant. From the initial enquiry through to the completion of the installation, the entire experience was seamless, professional and efficient. Matt responded promptly to emails, arrived exactly on time as scheduled, highly professional and the whole experience was stress-free. On the quote, he provided a few options with breakdown details of what is included in the price and makes it easier to make the decision. On the day of installation, the process was completed on schedule and I'm very happy with the quality of the work. They took great care to keep the work area clean and tidy throughout the job, and once finished, they thoroughly cleaned up, leaving everything spotless. Thank you very much, Matt and team and I would highly recommend this company to anyone looking for a reliable, professional and efficient aircon company.”

Free split system quote in South Lake

We'll size the right unit for your room, give you a fixed, upfront price, and handle any electrical work in-house.

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