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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
2.5kW Small bedroom, study $1,820 – $2,400
3.5kW Standard bedroom, small living $2,020 – $2,900
5.0kW Master, open-plan living $2,550 – $3,600
7–8kW Large open-plan living $2,960 – $4,500
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:

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

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“Phenomenal service provided by Matt! The works was done on schedule and to a professional standard. The price was also very reasonable for the works done. I highly recommend for anyone looking to get aircon work done, and I wish Otter Air Conditioning the best for their future endeavours.”

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.