Split system installation · Wattle Grove 6107
Split system installation in Wattle Grove
Out on Perth's south-east foothills edge, Wattle Grove's bigger blocks and varied housing call for a split-system install that's planned, not just slapped on the nearest wall.
- ✓ Free quotes, upfront fixed pricing
- ✓ Dual-licensed: aircon + electrical
- ✓ Workmanship warranty
Split system air conditioning for Wattle Grove homes
Wattle Grove sits on the inland, south-east fringe of Perth where summers run hot and dry, and the larger blocks here mean homes are often spread out rather than compact. That changes how a split system should be sized and positioned. A single head-unit aimed at a hallway rarely cools a sprawling living zone, so for many Wattle Grove homes we look at a properly sized unit for the open-plan area plus the master, or a multi-head setup that runs several indoor heads off one outdoor compressor. Getting the room load right up front is the difference between a unit that copes through a 40-degree afternoon and one that runs flat out and never quite gets there.
The housing mix is broad: established brick-and-tile homes from the area's earlier development, semi-rural properties on generous land, and newer double-storey estate builds. Each brings its own install challenge. Upstairs bedrooms in the double-storey homes need careful pipe and drain routing, often through the roof space or down an external wall, while the older homes sometimes hide tired switchboards that can't take another circuit. Because Otter Air & Electrical is dual-licensed in both air conditioning and electrical, we run the new dedicated circuit and handle any switchboard work in-house, so you're not chasing a separate sparky to finish the job.
Whether it's a fresh split system installation in Wattle Grove, swapping out a noisy old unit that's seen too many summers, or adding cooling to a renovated extension on a bigger block, we plan the pipe runs, condensate drainage and outdoor unit placement so it works neatly with the property. The result is air conditioning in Wattle Grove that's quiet, efficient and tidy, installed by a local team that handles the electrical side as standard.
Installation cost
Split system installation prices in Wattle Grove
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 – $2,225 |
| 2.5kW | Small bedroom, study | $1,580 – $2,300 |
| 3.5kW | Standard bedroom, small living | $1,770 – $2,565 |
| 4.2–4.6kW | Large bedroom, medium living room | $2,380 – $3,145 |
| 5kW | Master bedroom, open-plan living | $2,125 – $3,260 |
| 6kW | Large living or open-plan area | $2,185 – $3,525 |
| 7kW | Large open-plan living/kitchen | $2,310 – $3,900 |
| 8–8.5kW | Very large open-plan zones | $2,575 – $4,545 |
| 9–9.5kW | The biggest single-zone spaces | $4,315 – $5,140 |
| Multi-head | Several rooms, one outdoor unit | $4,500 – $11,000+ |
We also install around Wattle Grove
Otter Air installs split systems right across the Perth metro. Nearby areas we service:
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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.
See all reviews“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 Wattle Grove
We'll size the right unit for your room, give you a fixed, upfront price, and handle any electrical work in-house.