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HAVEN Ventilation


Solar Roof Vents or Whirlybirds?

Whirlybirds are NOT the Answer!

Is the heat ‘getting’ to you?

Are you hot & bothered?

Are you spending a fortune on air conditioning?

Your Roof Space May Be The Reason!​

Whirlybirds are not the answer

The HAVEN effectively reduces the heat load on your ceiling and helps you keep the temperature inside the house under control.

Roof temperatures throughout most of Australia often reach 60ºC – 70ºC in the summer months. The HAVEN replaces the hot air in your roof space with cooler air, allowing your roof space to remain only a few degrees above the ambient temperature.

The HAVEN can also extract heat directly from living spaces!

The HAVEN is designed and manufactured for GES according to industry standards by an experienced motor and fan manufacturer with ISO 9001 accreditation to suit Australian conditions.

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How Does It Work?

Why passive/convection systems are not enough

We all know that hot air rises, but it also expands – in all directions. If you have vents in your roof space they will let warm air out. However, vents only work when the roof space is already warm – and the expanding air starts radiating into your home. HAVEN starts when the sun shines on the roof – and therefore prevents the heat from building up

Not just hot air! Other applications for HAVEN

Reduce moisture levels: HAVEN is also a very effective way to reduce moisture levels in the roof space. The extraction fan removes moist air, which amongst other damaging effects may cause condensation on the roof – and in extreme cases condensation dripping onto the insulation/ceiling causing damage, such as cracking plaster and peeling paint. A HAVEN will also help prevent mould & mildew and protects the roof structure.

Heat extraction from inside the house: HAVEN may via a duct (below) remove hot air from specific rooms or areas. It may also be possible to simply place vents in specific rooms and connect the vents into the roof space, which means that the replacement air for the roof space will be partially supplied through these vents.

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colour matched Solar whirlybird
Roof Ventilation - HAVEN Ventilation

Where to use HAVEN

HAVEN can be used across a large number of applications including:

Retrofitting is easy, but every new building should include one or more HAVEN fans to improve energy efficiency and comfort levels.

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Simple installation

HAVEN is powered by a low voltage solar panel and does not require an electrician – or connection to a power point. No wiring means that any handyman can install the HAVEN quickly and effectively on the roof. Ask for a copy of our detailed DIY instructions.

What if my roof doesn’t face the sun?

The HAVEN can be turned to face the sun no matter which way the roof is facing – so not having a north-facing roof is no problem! The adjustable PV panel mounting allows you to choose a suitable angle (up to 80 degrees) for any pitch – even if your roof faces south.


HAVEN is designed for durability in Australian conditions and is backed by a substantial warranty 10 Year warranty on PV panel, 2-year warranty on all other components.

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paint matched solar whirlybird on tiled roof cooling ceiling

Benefits of a HAVEN

Save on A/C Costs

Prolong the Life of Your A/C

Help Keep the World Green

Keep Your Roof Space Cooler

HAVEN can help reduce the overall heat load in your ceiling, helping you regulate the temperature in your home or office space.

During summer months in Australia, roofing temperature tends to skyrocket to a searing 60ºC – 70ºC. HAVEN ejects a big amount of the hot, moist air in your roof and pulls in cooler, fresher air – pushing down your overall ceiling heat to just slightly above the normal ambient temperature.

HAVEN even sucks out the heat from your room directly for better, fresher indoors!

This effective solar ventilation system has been designed and manufactured for Global Eco Solutions (GES) and has been set to be discreet. The fan and motor have been produced according to industry standards with an ISO 9001 Quality Standard in mind, making it fit to run under extreme Australian conditions.

Solar Roof Ventilation in use

How Does Solar Ventilation Work?

From the basic science we all know, hot air tends to not only rise but also expand in every direction as long as there’s open space.

Vents will help let the hot air out, but it’s only effective for rooms that already have warm air. Once air is warm, it does not only go up and out of the vent shafts but also transfer heat into your ceiling and living space through convection.

HAVEN is there to make sure that the air is cool and prevent as much heat transfer from even happening.

HAVEN Ventilation replacing Whirlybird

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Animations and information on this page are courtesy of Haven Building Products’ HAVEN Ventilation site