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Technician on a roof servicing an evaporative cooling unit

System type

Evaporative Cooling Highbury Homes Trust for Summer

Evaporative cooling is the low-cost whole-home option for our dry summers, and Highbury Air Conditioning installs and services it across Highbury with the price fixed before we start. Highbury sits in the north-eastern foothills, and its long stretches of dry summer weather are exactly the climate this technology was built for.

Technician checking the pads on a roof-mounted evaporative cooler

Honest Evaporative Cooling Advice From a Local Aircon Team

We are a family-owned Adelaide business, ten years operating, on the regular run through Highbury every week. We tell you plainly whether evaporative suits your house, because it is not the right fit everywhere, and a wrong fit costs you for years.

Call (08) 8246 6283

What Evaporative Cooling Actually Is

An evaporative unit sits on the roof and pulls outside air through water-soaked pads. The air cools as it passes through, then flows through ducts into every room of the house.

It is a completely different machine to a split or ducted refrigerated system. There is no refrigerant, no compressor working against the outdoor temperature, and no sealed cycle.

That difference is the whole story:

Dry air is the fuel

Open windows are part of the system

It uses water as well as power

Call (08) 8246 6283
Technician crossing a tiled roof with a toolbox

Which Highbury Homes Suit Evaporative Cooling

The housing here decides the answer more than anything else. Detached brick and brick-veneer homes on generous blocks dominate, built through the 1960s to 1980s, and that stock is where evaporative earns its keep.

Bigger family homes.

A single roof unit ducts cool air to every room, so a three or four bedroom house near Beckman Reserve gets whole-home coverage from one machine.

Blocks with room.

Low-density streets give the roof unit clear airflow and quiet operation for neighbours, which matters less with refrigerated condensers sitting at ground level.

Homes already ducted.

Plenty of older houses here have existing ceiling ducting from past heating or cooling, and reusing it can cut the install cost, which we check on the site visit.

Who should skip it.

If your household seals the house shut through summer, or you want precise temperature control, a refrigerated system suits you better, and we say so at the quote.
Technician climbing to the roof with ducting laid out below

Running Cost Through an Adelaide Year

This is where evaporative shines, and it is worth being precise about it. Cooling a whole house on a 38 degree dry day typically costs a fraction of what refrigerated cooling costs for the same coverage.

The catch is honest and small. Adelaide gets a handful of humid days each summer, usually when a northerly drags moisture down, and on those days the cooling effect drops noticeably.

Heatwave load.

Through consecutive days over 40, a refrigerated system works harder and costs more as the outdoor temperature climbs. An evaporative unit does not care, because it is not fighting the heat with a compressor.

Water use.

The unit draws water while running, a real but modest cost in a dry climate, and the bleed-off setting keeps the pads from scaling up.

Winter is separate.

The unit does nothing from May to September, so your winter heating plan, whether ducted gas heating or reverse cycle, sits alongside it rather than inside it.

How it works

What the Install Involves

Most installs in the brick-veneer stock around Reservoir Road and the older foothill streets run two to three days, roof work and ceiling ducting included. Here is the run:

  1. 1

    Roof and ceiling check

    We confirm the roof can carry the unit, the ceiling has room for ducting, and the water feed can reach the roof cleanly.

  2. 2

    Duct and vent design

    Outlets go where the airflow does the most good, sized for the house rather than a standard plan.

  3. 3

    Unit and water line

    The unit goes on the roof, plumbed to the water supply with the bleed-off set correctly for our water quality.

  4. 4

    Commission and walkthrough

    We run it, test every outlet, and show you how to run it, including which windows to crack.

Blocks rising toward the Hills Face Zone need the roof placement and drainage details planned properly, and that planning sits in the written quote, not in a surprise halfway through.

Seasonal Servicing and Repairs

Evaporative units ask for care that a split system never needs, and skipping it is what kills them early:

Pads checked and replaced

Water feed and float valve

Bleed-off setting

Pre-summer start-up

If the unit is blowing warm, smelling stale or dripping from the ceiling, that is a repair job, and our repairs page covers how a booking runs. A leaking ceiling around a roof unit is one we treat as urgent.

Why Choose Us for Evaporative Cooling

Fixed Upfront Pricing.

A fixed quote before any work starts. No hourly rates, no bill shock.

Lifetime Labour Warranty.

If a fault occurs due to workmanship, the team returns and fixes it at no cost.

Fully authorised.

ARC Licence L162586, a RAC01 - Full Refrigeration and Air Conditioning Licence, covering the full scope of the trade.

Local and quick.

We are in Highbury most weeks, and Within-the-Hour Response applies to urgent issues where availability allows.

Questions

Frequently Asked Questions

Do I really need to leave windows open with evaporative cooling?

Yes, because the unit pushes outside air through wet pads and needs open windows or vents to flush warm air out, and we show you which windows to crack on the install day.

How much servicing does an evaporative system need?

Pads, the water feed and the bleed-off need checking each year before summer, and we do the full seasonal service on any unit across Highbury and the neighbouring suburbs.

Will it still work on a humid day?

It loses effectiveness on the handful of humid days each Adelaide summer, and we explain that honestly at the quote rather than overselling it for your house.

Can it heat my home in winter?

No, evaporative units cool only, so winter needs a separate heater, and we compare reverse cycle and ducted gas pairings so you get one clear plan.

Is it cheaper to run than refrigerated air conditioning?

In dry heat it usually runs for a fraction of the cost of refrigerated cooling, though it also uses water, and we lay out both bills at the quote.

Talk to a local

Get a Fixed Quote on Evaporative Cooling Before Summer

Call (08) 8246 6283 and tell us about the house and the system you have in mind. We book the site visit, measure the roof and ceiling, and hand you a fixed quote before anyone lifts a tool.

New customers get $50 off first service, and there is 24/7 emergency availability for the days a system quits in the middle of a heatwave.

Call (08) 8246 6283 Request a fixed quote

$50 off first service for new customers.

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