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Split system installation · Southern River 6110

Split system installation in Southern River

Southern River is one of Perth's newer family corridors, where big open-plan homes and second storeys need cooling done properly the first time. That's exactly what we do.

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

Split system air conditioning for Southern River homes

Most of Southern River went up from the late 1990s onward, so the housing here skews modern: brick-and-tile family homes on generous estate blocks, plenty of double-storey designs, and the large open-plan kitchen-living-meals zones that newer builds favour. Those big rooms are the number one thing we plan around. A single undersized head will run flat out and never quite get there, so for an open-plan heart-of-the-home we'll size the unit to the actual volume of the space, not just the floor area, and position the indoor head to throw air across the whole room rather than into a wall.

Being inland in the 6110 corridor, Southern River cops the dry, baking summers Perth's south-east is known for, well away from any coastal salt. That makes a reverse-cycle split a strong all-rounder here: hard cooling through February, gentle heating on those cold winter mornings. A common job for us is cooling a master bedroom plus the main living area, or running a multi-head system in a double-storey home so upstairs bedrooms stay liveable without a row of outdoor units along the side of the house. We plan upstairs refrigerant runs carefully and finish them in neat conduit.

Because Otter Air is dual-licensed in air conditioning and electrical, we handle the whole split system installation Southern River homeowners need under one roof. If your switchboard is full or needs a new dedicated circuit for the unit, we do that in-house on the same visit - no waiting on a separate sparkie. Replacing a tired old unit on an established block? We'll reuse what we sensibly can and quote it straight, with upfront fixed pricing.

Installation cost

Split system installation prices in Southern River

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 Southern River

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 18 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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“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 Southern River

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