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Big floorplans, big glazing, and a bay two streets away

Split System Installation in Altona Meadows

Altona Meadows is estate housing from the 1980s and 1990s, and the floorplans are the reason split system sizing here goes wrong so often. Large open plan living and dining areas that flow into a kitchen and out through sliding doors, frequently with a raked ceiling over the family room and a lot of west facing glass.

  • Altona Meadows 3028
  • Powercor network
  • REC 37223

The short answer

Split system air conditioning in Altona Meadows costs $2,500 to $7,500 installed. The 1980s and 1990s estate homes here have large open plan living areas and family rooms, often with a raked ceiling and west facing sliding doors, which frequently pushes the main living head to 7.1 or 8.0kW rather than 5.0kW. Proximity to Cherry Lake and the bay means outdoor condensers still need corrosion rated coils. Reverse cycle heats a room for roughly 28 to 36 cents an hour.

Mitsubishi Electric split system outdoor unit mounted on brick paving against a brick wall

From one of our jobs

Outdoor units set on level mounts, clear of the fence line

Photographed on site in Melbournes west. REC 37223.

Sized on floor area alone, those spaces get a 5.0kW unit and disappoint everyone in January. Sized on volume, glazing and orientation, they get 7.1 or 8.0kW and behave properly. That distinction is most of what we do differently in this suburb.

Why volume and glazing beat floor area here

A raked ceiling adds volume that a floor plan never shows. A 6 by 7 metre family room with a flat 2.4 metre ceiling holds about 100 cubic metres of air. Rake that ceiling to 3.4 metres at the ridge and you are closer to 120 cubic metres, plus the warm air now stratifies above head height.

Add three metres of west facing sliding door taking full afternoon sun in February and the heat load climbs again. That is why Meadows family rooms routinely need 7.1 to 8.0kW where the same floor area in an insulated bedroom would take 3.5kW. We measure the room, the glass and the ceiling before quoting a capacity.

  • Raked ceilings

    Add volume and stratify warm air. Head placement and fan settings matter more in these rooms than in flat ceilinged ones.

  • West facing glass

    The single biggest heat load in most Meadows living areas. External shading changes the required capacity more than any other single fix.

  • Open plan flow

    A space that opens into a hallway or a stairwell is not a closed room, and it has to be sized as the larger volume.

Splits or ducted on a big single storey plan

Altona Meadows homes are the classic ducted candidate: broad single storey floorplans, accessible roof space and generous ceiling area for outlets. If you want the whole house at an even temperature from one controller, ducted reverse cycle is the better product and we install it.

Splits still win in plenty of these houses. If everyone lives in the open plan area and the bedrooms are only used for sleeping, one large living head plus two bedroom heads costs far less than a ducted system and lets you heat one room very cheaply. Splits also fail one at a time rather than all at once. We will price both and tell you which suits how you actually use the house.

The other consideration is where the outdoor units go. Meadows blocks are wide with real side access, so two or three condensers can be positioned with proper airflow clearance and away from bedroom windows. That is a luxury the inner west does not have, and it is the reason single head systems remain a genuine option here rather than a theoretical one.

Insulation, and where these homes leak

Estate homes from this era were built with ceiling insulation, but thirty years of storage, downlight cutouts and tradespeople moving around the roof space leaves it in mixed condition. Compressed batts, gaps around penetrations and nothing at all above the garage conversion are all normal findings.

We look before we size. Restoring ceiling insulation is usually the cheapest kilowatt you can buy, and it improves the room in both directions rather than just adding cooling capacity. Where the ceiling is poor, we say so and quote the system for the house as it will be, not as it currently is, if you intend to fix it.

Coastal exposure, VEU and licensing

The Meadows is close enough to the bay and to Skeleton Creek that salt reaches outdoor equipment. It is milder than Seaholme but it is real, particularly toward Boardwalk Boulevard. We specify corrosion protected coils and stainless or galvanised brackets, and we position condensers out of the worst of the westerly weather where the block allows.

On cost, Victorian Energy Upgrades discounts come off the invoice directly with no income test, on properties at least two years old, with a $200 including GST minimum contribution. Announced changes commence 30 September 2026 and we confirm amounts at quote. Refrigerant work is done under ARC licence and the electrical connection under REC 37223, with a Certificate of Electrical Safety issued on completion.

On the ground

Altona Meadows specifics

  • Raked ceilings over family rooms are common in this estate stock and they are the most frequently missed sizing factor. Floor area based quoting undersizes these rooms consistently.
  • West facing sliding doors onto a rear yard are near universal here, and in February they are the dominant heat load. External shading changes the required capacity more than any other single improvement.
  • Ceiling insulation from the 1980s and 1990s is usually still there but rarely still effective. Compressed batts and downlight cutouts are the normal finding, and restoring them is the cheapest capacity available.
  • Homes toward Boardwalk Boulevard and Skeleton Creek take more salt than those inland near Central Square, so corrosion rated condensers are specified by default on that side of the suburb.
REC 37223SAA S3962281ABN 876892969375.0 from 63 Google reviews12 month workmanship guarantee

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Answers

Altona Meadows questions

On a typical Altona Meadows family room, 7.1 to 8.0kW rather than the 5.0kW a floor area chart suggests. The reasons are the raked ceiling adding volume, the west facing sliding doors taking full afternoon sun, and the space opening into a hallway. We measure volume, glazing and orientation on site because getting this wrong is the most common complaint we are called out to fix.

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