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A bright living room with a wall-mounted split-system air conditioner

Lower North Shore, NSW

Split System Air Conditioning Lower North Shore

Split and multi-head systems for Lower North Shore apartments, terraces and single rooms. We sort out the strata approval, the balcony or plant-deck position, and a quiet Daikin or Mitsubishi Electric inverter unit that suits the building.

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Technician working on a wall-mounted split system in a living room

Local knowledge

Split systems for towers, art deco walk-ups and harbour-point apartments

Much of this region lives in apartments, and each building sets its own terms. In the towers around St Leonards, North Sydney and the Chatswood interchange, condensers go on balconies or shared plant decks, pipe routes need strata approval, and contractor access and working hours are set by the building. West-facing glazing is the big load factor: a living room behind a wall of glass needs more capacity than its floor area suggests. We size from the glazing and aspect, then submit the unit, position and pipe route for approval.

The art deco and postwar walk-ups of Neutral Bay, Cremorne and Wollstonecraft are a different job. Many were built with solid brick walls and no provision for air conditioning at all, so a first install means planning one clean wall penetration, a drain route and a condenser position that keeps water off the balcony below. Top-floor flats in these blocks hold heat into the evening, which is often why the owner calls. Noise carries between buildings, so we choose quiet units and keep them clear of neighbours' windows.

In the house streets, splits cover rooms that a ducted system will not reach easily. Naremburn cottages heat up fast with little thermal mass, and glass-walled rear extensions there and in Artarmon take sharp afternoon sun, so a single head in the extension is often the practical first step. On Cremorne Point and around Kirribilli, where salt comes off the harbour, the outdoor unit gets coastal-rated protection. Kirribilli terraces often have no side access, so the condenser goes in a courtyard or rear laneway and the equipment travels through the house.

Scope of work & pricing

What's included, and what moves the price

A single-head split for a St Leonards tower bedroom or a Naremburn cottage extension is $1,800–$3,200 installed, with the price moving on capacity and the length of the pipe run. A three-head multi-head system, often the answer in a Neutral Bay walk-up or a Crows Nest terrace with one usable outdoor position, runs $5,500–$8,500 installed. The $99 in-home assessment is credited against your invoice.

What this service includes

  • On-site mounting review (wall, outdoor location, refrigerant line path)
  • Daikin, Mitsubishi Electric or Fujitsu inverter indoor head + outdoor unit
  • Refrigerant lines run through wall cavity (no exposed conduit unless unavoidable)
  • Condensate drain to eave or stormwater point
  • Wall bracket or slab for outdoor unit (where required)
  • Electrical connection to existing GPO or dedicated circuit
  • Vacuum and refrigerant charge per manufacturer spec
  • Wireless remote, controller walkthrough, warranty registration

What moves the price up or down

  • Indoor head capacity (2.5kW, 3.5kW, 5kW, 7.1kW, 8kW+)
  • Single-head vs multi-head (number of indoor units sharing one outdoor)
  • Refrigerant line length (longer runs = more pipework + gas)
  • Outdoor unit mounting (wall bracket adds labour + materials)
  • Wall material (brick / weatherboard / fibro / double-storey reach)
  • Existing power supply (new circuit vs existing GPO)
  • Strata or heritage compliance requirements
  • After-hours or weekend install premium

Not included (quoted separately if needed)

  • Plaster repair around indoor head if mounting requires it
  • Painting after install
  • Strata application paperwork (we can supply specs; lodgement is yours)
  • Brick / masonry core-drilling beyond standard wall penetration
  • Decorative line covers (white plastic conduit), quoted separately
  • Annual servicing (sold separately as a maintenance plan)

Process

How a split job runs in Lower North Shore

  1. 01

    Site visit & system match

    We measure the room, check wall and outdoor mounting options, and recommend a Daikin, Mitsubishi Electric or Fujitsu model sized to the space, not oversized.

  2. 02

    Install booking

    Most single-head installs are done in a day. Multi-head installs (3–4 heads) usually run 1.5–2 days.

  3. 03

    Installation

    Indoor head mounted, outdoor unit on a wall bracket or slab, refrigerant lines through the wall cavity, condensate drain to the eave.

  4. 04

    Commissioning

    Vacuum and charge per manufacturer spec, controller walkthrough, warranty registration.

Your suburb

Split System Air Conditioning by suburb in Lower North Shore

Every Lower North Shore suburb has its own page with local pricing notes and questions.

Frequently asked

Common questions about split system air conditioning in Lower North Shore

What does my North Sydney or St Leonards strata need before a split goes in?

Usually a written proposal showing the unit model, where the condenser will sit, the pipe route and any wall penetrations, often with noise figures for the outdoor unit. Some buildings also set contractor hours and lift bookings. We prepare the paperwork, you lodge it with the owners corporation, and we book the install once approval comes back.

Can a split go into an art deco walk-up with solid brick walls?

Yes, with care. We core one neat hole for the pipes and drain, keep the run short, and position the outdoor unit on the balcony or an approved external wall. Drainage is planned so condensate never lands on the flat below. We confirm the position with the strata before drilling, since many older blocks have no existing condenser spots at all.

My apartment faces west and cooks in the afternoon. What size unit do I need?

Bigger than the floor area alone suggests. West-facing glass in Chatswood, St Leonards and North Sydney apartments lets in heavy afternoon heat, so we size on the glazing area, orientation and floor level as well as the room dimensions. An undersized unit runs flat out and still leaves the room warm by evening, which is the outcome we size to avoid.

Will a balcony condenser on Cremorne Point corrode?

Harbour-facing balconies along Cremorne Point, and most of Kirribilli, see constant salt, so an unprotected outdoor unit will wear faster there than one up on the Military Road ridge. We choose models with coastal-rated or coated coils, keep them out of direct spray where the balcony layout allows, and suggest a fresh-water rinse between services.

Is multi-head better than separate splits for a Kirribilli or Crows Nest terrace?

Often, yes. Terraces tend to have exactly one place an outdoor unit can go, so a multi-head system running two or three indoor heads from one condenser avoids fighting for space. The limit is pipe length: if the rooms are far from that one spot, a second small condenser may still be needed. We measure the runs before recommending either.

For general costs, options and how the work is carried out, read our split system air conditioning guide.

More in Lower North Shore

Other services across Lower North Shore

For citywide information, see split system air conditioning in Sydney.

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