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Cool Your WHOLE House for FREE ...without air-con Did You Know: You may not need to use an air-conditioner ...without electricity Did You Know: Twista Roof Ventilators work by heat & light breeze ...without solar power Did You Know: Solar power does not work at night or on cloudy days

PRESS PLAY to see how roof vents work NOW! large whirlybird roof vent

Free heat removal NOW!
1300 888 151

  • hot air
  • moist air
  • bad air
  • toxic fumes

7 Days Only
FREE installation*
*Conditions apply
Normal Price $1299

Twista Roof Ventilators are the ideal solution for keeping your home cool in summer for free. Because they don't require power to operate they are environmentally friendly and silent - the only thing you'll notice is that you have a comfortable, healthy home.

GRANDE 500mm
Grande roof vent

  • Used
  • Heat
  • Mildew
  • Humidity
  • Damp Air
  • Condensation

Roof vents in different colours

Don't wait until it's too hot...
be prepared for extreme
heatwave conditions NOW!

Free heat removal NOW!
talk to our staff
and get help NOW!

1300 888 151

Roof vents on different roof sizes

Recommended 1-VENT per 25m2

Multiply length by width to get the square metres... then divide the total square metres by 25 and this gives you the Vents Needed

100m2 = 4x TWISTA 500mm
150m2 = 6x TWISTA 500mm
200m2 = 8x TWISTA 500mm
250m2 = 10x TWISTA 500mm

300m2 = 12x TWISTA 500mm
350m2 = 14x TWISTA 500mm
400m2 = 16x TWISTA 500mm
450m2 = 18x TWISTA 500mm

The average home requires 4 vents for Optimum Results while larger homes require more vents to reach Maximum Performance ...see chart above!

Australian Made
Commercial Grade
Roof Ventilators

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hot and cool house with hot and cool roof

97% Bigger
Than 300mm

size comparison of cheap whirlybird vents

PRESS PLAY to see roof vents working large Twista roof vents

PRESS PLAY to see roof vents working large house roof vents

PRESS PLAY to see roof vents working whirlybird roof vents

PRESS PLAY to see roof vents working large home roof ventilators

Houses, Schools, TAFE
Housing Departments
Strata Buildings

quality steel bearing

Industrial Factory Vents 680mm

Factories, Warehouse, Restaurants,
Government Buildings,
Schools, TAFE

PRESS PLAY to see roof vents working large industrial white roof vents

And there’s many, many more...

...why put up with hot air and air-con when you can suck out hot air for free with a Twista Roof Cooler NOW!

the environmentally friendly way... twista logo Australia map

Free heat removal NOW! ...YES CALL NOW! 1300 888 151 email:

Call & Speak NOW!

Australian made map

Free heat removal NOW!

Yes call NOW!
1300 888 151

FREE INSTALLATION* - *Conditions may apply to installations in your area, call for information. If an installation cannot be carried out in your area for any reason, you may have the product delivered* and do a search through your local newspaper or Google for a local builder, carpenter or roof plumber to help you out with your installation.
EXTRAS* - Additional fees apply to some travel zones/poa, brittle-tiles, swiss-tiles, flat-tiles, steep-roofs, removal-disposal, metal-roofs, moving & rearranging unforseen objects, timbers and obstacles. You’ll also need to tell us if you have a TILE or a METAL roof and the colour so we can advise you correctly.
ILLUSTRATIONS* - Diagrams & Pictures for illustration only.

Today's SALEX

Roof vents on SALE CLICK HERE