Journal

The SolarArk blog.

Guides, compliance explainers and practical advice on solar hot water and roof ventilation for Australian homes and buildings.

Whirlybirds vs solar roof ventilation: which actually keeps your home cooler?

Whirlybirds only spin when the wind blows. Here's how solar roof ventilation moves dramatically more air, all day, and why it's the smarter upgrade.

A simple benchmark for sizing roof ventilation — how to calculate your roof cavity's airflow requirement and match it to the right SolarArk model.

What the new roof-space ventilation and condensation management rules mean for builders — and how solar ventilators satisfy them.

Your roof cavity can hit 60°C+ in summer. Here's how extracting that trapped heat transforms comfort and cooling costs.

North-facing or not, tin or tile, 100 m² or 300 m² — a quick guide to matching the SAV range to your roof.

Water heating is the second-largest energy cost in most homes. Here's how evacuated tube systems and rebates change the maths.

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