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Ventilation

How solar roof ventilation makes your home up to 30°C cooler

By SolarArk Engineering · 3 Feb 2025 · 5 min read

On a hot Australian afternoon, the air trapped in your roof cavity can soar well past 60°C. That superheated air radiates down into your living spaces long after the sun has set, forcing your air conditioner to work harder and longer.

Extract the heat, at zero cost

SolarArk ventilators continuously draw that hot air out of the roof space and replace it with cooler air drawn through the eaves. The result: roof-cavity temperatures reduced by up to 30°C and living-room temperatures by up to 6°C — dramatically improving the efficiency of your cooling system.

Because every unit is totally solar powered, this happens at $0 running cost for the life of the product. No wiring to the switchboard, no bills, no switches to remember.

Not just summer

In cooler months, continuous ventilation reduces condensation and the build-up of mould spores in the roof space — protecting your home's structure and your family's air quality. An adjustable digital thermostat lets you retain roof warmth when you want it.

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