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Split system installation · Harrisdale 6112

Split system installation in Harrisdale

Harrisdale is one of Perth's newer south-east estates, and its modern double-storey homes ask more of an aircon install than a single-storey weatherboard ever did. That's the kind of job we're built for.

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

Split system air conditioning for Harrisdale homes

Most of Harrisdale went up from the 2000s onward, so the housing here is dominated by modern brick-and-render homes on tighter estate blocks, a good share of them double-storey. That layout shapes nearly every split system installation Harrisdale homeowners ask us about. Cooling a downstairs open-plan kitchen, dining and living zone often calls for a larger single head or a multi-head setup, while upstairs the bedrooms and that west-facing master need their own heads to stay comfortable through a long inland afternoon. We plan the indoor positions and outdoor condenser location together so the run is efficient and the unit isn't baking in full sun.

Double-storey routing is where a lot of installers cut corners and a tidy job earns its keep. Getting refrigerant lines and drainage from an upstairs bedroom down to a ground-level condenser without ugly trunking running across the render takes planning, and we route through the roof space and cavities wherever the build allows. Harrisdale sits inland rather than on the coast, so salt corrosion isn't the concern here that it is by the water; the real enemy is the heat. We position outdoor units for airflow and shade so they hold their efficiency when summer settles in over the corridor.

Being dual-licensed in both air conditioning and electrical means the whole job stays with one team. Plenty of larger Harrisdale homes running multiple heads need a dedicated circuit run from the switchboard, and because we're licensed electricians too, we handle that in-house rather than booking a separate sparky. Whether it's a fresh install in a newer build, adding a head to a growing family home, or swapping out a tired old unit, we give honest, upfront advice on air conditioning Harrisdale residents can rely on.

Installation cost

Split system installation prices in Harrisdale

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 Harrisdale

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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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 Harrisdale

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