When comparing ducting, don’t make the mistake of comparing ducting thickness as a measure of the effectiveness of the ducting insulation – it’s not the thickness of the ducting insulation that counts, it’s the quality of the insulation in the ducting.
 As different ducting from different manufacturers use different insulation materials, the ‘Rt’ Rating is the only ‘apples for apples’ comparative measurement that you can use, to know which ducting is more effective at keeping the ‘air-conditioned air’ cool, while keeping the ‘hot roof air’ out.
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Why do you need to know the ‘Rt’ Rating of the ducts you choose?
Answer: Because the better the ‘Rt’ Rating, the cooler your air will be. And this goes to how much extra work your air-conditioner will do if the ducting is underperforming. It also affects how much extra electricity you have to pay if your ducting’s ‘Rt’ Rating is inadequate.
So the reason to compare the effectiveness of ducting insulation is to determine how well different ducting keeps the air cool that passes through it. And the same applies in the winter, for hot air, when using the air-conditioner for heating.
- Check the technical specifications for the ducting you intent to provide in the brochures or on the website of your preferred ducting supplier
- Almost limitless installation possibilities.
- Check the technical specifications for the ducting you intent to provide in the brochures or on the website of your preferred ducting supplier
- Find out ‘Rt’ Rating of the particular ducting you are intending to purchase
- Click here to learn what ‘Rt’ Ratings mean and how they work
- Choose the ducting with the higher the ‘Rt’ Rating for higher thermal properties
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Choose Ductair Ducts to maximise your ‘Rt’ Rating
We only use the most superior insulation in our premium range of ducts.
Ductair uses glasswool, in preference to polyester, as our first choice of insulation materials for use in our ducts. This is because glasswool has a higher ‘Rt’ Rating and superior thermal properties than polyester, which means three things:
- In comparison, Glasswool is 60% more efficient than polyester, at the same thickness
- This means Ductair ducts are a better choice for duct installation, as they take up less space in the roof cavity, and;
- Polyester ducts look ‘fluffier and puffier’ than glasswool ducts, which at a glance may appear warmer, but is not as efficient as glasswool, either in its thermal properties or in the resultant electricity use.
See more about Ductair Energy Smart Flexible Duct |
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