Air conditioning
in Yeppoon
A 30 square metre living room in Yeppoon needs about 3.54kW, against 4.8kW for the same room in Moranbah, because Yeppoon peaks at 31.6°C where Moranbah hits 39.1°C. Installed prices here run $1,300–$3,500 for splits.
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Why Yeppoon is different
Sizing advice written for "Brisbane" is written for an average that barely exists. Yeppoon accumulates 328.3 cooling degree days a year and clears 35°C about 1.5 days. Moranbah, across Brisbane, accumulates 597.7 and clears 35°C about 74.9 days — roughly a 2 times lighter cooling load. That is why the same room needs a different size unit depending which suburb it sits in, and why a number quoted for the metro average will be wrong for most addresses in it.
What size you need in Yeppoon
| Room | Approx size | Cooling needed | Unit to look for |
|---|---|---|---|
| Bedroom | 12m² | 1.41kW | 2kW |
| Large bedroom or study | 18m² | 2.12kW | 2kW |
| Small living area | 25m² | 2.95kW | 2.5kW |
| Living room | 30m² | 3.54kW | 3.5kW |
| Open-plan living and dining | 45m² | 5.3kW | 5kW |
| Large open plan | 60m² | 7.07kW | 7.1kW |
Sizing follows the design criterion AIRAH uses in its FairAir calculator: the 3pm outdoor temperature exceeded on no more than 10 days a year. We compute that figure for each suburb from Bureau of Meteorology daily records, then split the cooling load into a component that scales with how far the design temperature sits above 24C and a component from sun and internal heat that barely varies by location. That 50/50 split is our assumption, not AIRAH's. Treat the result as a starting point for a quote, not a substitute for an installer measuring your rooms.
What it costs to run here
Yeppoon sits in the Ergon network area, where a residential flat rate currently runs about 26.27c per kilowatt hour (Origin Energy Origin Standing). On that rate, a typical 3.5kW split system used normally costs roughly $129 a year in cooling, against about $217 for the identical unit in Moranbah.
That figure comes from the energy rating scheme's own registered consumption figures, measured across three Australian reference climates and fitted to Yeppoon's 328.3 cooling degree days: about 111.4 kilowatt hours a year regardless of climate, plus 1.16 per degree day, then charged at the local tariff. The fixed part matters, because a running air conditioner draws power for standby and part-load cycling even where there is barely any cooling to do — which is why the mildest suburbs still cost something rather than nothing.
On a time-of-use plan in this network, electricity between 16:00 to 20:59 costs about 19.04c against 16.83c off-peak. Cooling the house hard through that window is where summer bills actually get away from people. Pre-cooling before it starts costs noticeably less.
What changes a quote in Yeppoon
Salt air shortens outdoor unit life here
Yeppoon sits about 0.9km from the coast, and salt-laden air attacks aluminium fins and steel casings far faster than it does inland. Ask what corrosion protection the outdoor unit carries and read the coastal terms in the manufacturer warranty, because several brands reduce or exclude cover within a set distance of surf. That clause is worth checking before you choose the unit rather than after.
Humidity, not just heat
Yeppoon runs a January afternoon dew point around 22.5°C, which means the machine spends much of its work removing moisture rather than dropping temperature. A slightly larger unit run gently dehumidifies far better than a small one at full tilt, and comfort here depends on that more than on the thermostat reading.
Ducted is genuinely viable here
84.7% of Yeppoon dwellings are separate houses, most with accessible roof space, which makes ducted a real option rather than a stretch. The check that matters is roof cavity height and insulation condition, and any installer can confirm both in a five-minute inspection before quoting.
Established housing, check the switchboard
Yeppoon has a median age of 43 and correspondingly older housing stock. The thing that catches people out is electrical: an older switchboard may not have a spare circuit for a large system, and that upgrade is legitimate money rather than an upsell. Ask for it to be itemised separately in the quote so you can compare like with like.
Installed prices
| System | Installed price | Suits |
|---|---|---|
| Small split (2.5kW) | $1,300–$2,200 | Bedrooms and studies |
| Large split (5-7kW) | $2,300–$3,500 | Living areas |
| Ducted, whole home | $9,000–$15,500 | Houses with roof access |
Brisbane pricing. See the full Brisbane cost guide for a breakdown by job, or the Queensland rebate guide for discounts that come off these figures.
About Yeppoon
Around 7,703 people live in Yeppoon (estimated for 2025), across roughly 9,065 occupied dwellings. The housing mix is 7.8% apartments, 84.7% separate houses and 5.7% semi-detached or townhouses, which is what drives most of the practical differences in getting a system installed here.
Nearby suburbs
Climate, network tariffs and housing stock shift across a metro, so the sizing and running costs on these pages differ from Yeppoon's.
- Air conditioning in Norman Gardens 29.9km
- Air conditioning in Frenchville 30.7km
- Air conditioning in Berserker 33.8km
- Air conditioning in Gracemere 46.5km
Sources and data
- ABS Census 2021, dwelling structure and medians by postcode
- ABS Regional population 2024-25 (population estimate basis)
- Bureau of Meteorology, Climate Data Online
- Australian Building Codes Board climate zone map
- AIRAH FairAir cooling calculator (design condition methodology)
- Consumer Data Right energy plan data (network and tariffs)
- energyrating.gov.au product database (zoned energy rating data)
Based on Australian Bureau of Statistics data. Source: ABS, Census of Population and Housing 2021 and Regional population 2024-25, licensed under CC BY 4.0. Climate data: Bureau of Meteorology, licensed under CC BY 4.0. Climate zones: Australian Building Codes Board. Tariffs: Consumer Data Right energy plan data. Appliance energy data: energyrating.gov.au (E3 Program).
Population is an estimate derived from the 2021 Census count scaled by regional growth to 2025, not an official count. Climate figures come from YEPPOON THE ESPLANADE (033294). Nearest qualifying station (still reporting, 32.8 yr of record, 97% complete). YEPPOON THE ESPLANADE (033294) is 0.7 km away, 0.4 km from the open coast against the suburb's 0.9 km, at 6 m against the suburb's 7 m. Stations are ranked on distance plus penalties for differing coastal exposure, elevation, NCC climate zone, record length and marine (sand-spit or island) siting.