--- title: Resources description: Elephant Duct blog listing page --- [Skip to content](https://elephantduct.com/resources#main-content) [![Elephant Duct logo](https://elephantduct.com/hubfs/elephantduct%20logo%20png.png)](https://elephantduct.com/) - [Home](https://elephantduct.com) - [About us](https://elephantduct.com/about) - [Products](https://elephantduct.com/products) - [4mm - Asian Elephant](https://elephantduct.com/4mm-asian-elephant-ducting) - [8mm - African Elephant](https://elephantduct.com/8mm-african-elephant-ducting) - [25mm - Woolly Mammoth](https://elephantduct.com/25mm-woolly-mammoth-ducting) - [Resources](https://elephantduct.com/resources) - [Technical Hub](https://elephantduct.com/technical-hub) - [Benefits](https://elephantduct.com/benefits) - [Standards & Legislation](https://elephantduct.com/standards-legislation) - [Insulation Tool](https://elephantduct.com/duct-insulation-selector-tool) - [Size Tool](https://elephantduct.com/duct-minimum-size-calculator) - [Contact](https://elephantduct.com/contact) # Resources ![Energy savings money chart](https://elephantduct.com/hs-fs/hubfs/Ductwork%20money%20savings.webp?width=400&name=Ductwork%20money%20savings.webp) [Energy](https://elephantduct.com/resources/tag/energy) ### [How the Right Ductwork Can Cut Your HVAC Energy Costs](https://elephantduct.com/resources/hvac-ductwork-reduce-energy-costs-how-to) Most energy-saving conversations in HVAC focus on the unit — the boiler, the heat pump, the AHU. Ductwork rarely gets a... ![Small ductwork and large ductwork cross-sections - airflow patterns seen within](https://elephantduct.com/hs-fs/hubfs/is%20it%20a%20bad%20idea%20to%20oversize%20your%20ductwork.webp?width=400&name=is%20it%20a%20bad%20idea%20to%20oversize%20your%20ductwork.webp) [Standards](https://elephantduct.com/resources/tag/standards) ### [Is It a Bad Idea to Use Oversized Ductwork?](https://elephantduct.com/resources/is-it-a-bad-idea-to-use-oversized-ductwork) "Go a size up, just to be safe" is one of the most common decisions made on a ductwork spec, and it's one of the most... ![flexi ducting in attic, over 200mm long](https://elephantduct.com/hs-fs/hubfs/flexi%20ducting%20in%20attic.webp?width=400&name=flexi%20ducting%20in%20attic.webp) [Semi-Rigid Ducting](https://elephantduct.com/resources/tag/semi-rigid-ducting) [Standards](https://elephantduct.com/resources/tag/standards) ### [When Can Flexible Ducting Be Used? Part F 2026](https://elephantduct.com/resources/when-can-flexible-ducting-be-used-part-f-2026) **Spoiler alert: Flexible ducting has just taken a massive hit.** Under Approved Document F's 2026 edition (Volume 1:... ![Part F Cover Photo](https://elephantduct.com/hs-fs/hubfs/part%20f.webp?width=400&name=part%20f.webp) [Standards](https://elephantduct.com/resources/tag/standards) ### [Part F 2026: Residential Ductwork Update](https://elephantduct.com/resources/part-f-2026-residential-ductwork-update) Approved Document F, Volume 1, the UK building regulations that govern ventilation in residential homes, has just been... ![elephant duct range stacked on top of each other](https://elephantduct.com/hs-fs/hubfs/Duct%20thickness%206.webp?width=400&name=Duct%20thickness%206.webp) [Semi-Rigid Ducting](https://elephantduct.com/resources/tag/semi-rigid-ducting) [Insulation](https://elephantduct.com/resources/tag/insulation) ### [Which Duct Insulation To Choose? 4mm vs 8mm vs 25mm from Elephant Duct](https://elephantduct.com/resources/4mm-vs-8mm-vs-25mm-ducting-which-elephant-duct-insulation-thickness-is-right-for-you) Choosing between Elephant Duct's **4mm, 8mm and 25mm ducting** primarily boils down to one question: how much insulation... ![HVAC Pressure gauge in plant room surrounded by metal pipes and air ducts](https://elephantduct.com/hs-fs/hubfs/Pressure%20gauge%20square.webp?width=400&name=Pressure%20gauge%20square.webp) [Semi-Rigid Ducting](https://elephantduct.com/resources/tag/semi-rigid-ducting) ### [How to Reduce Pressure Loss in Ventilation Systems](https://elephantduct.com/resources/how-to-reduce-pressure-loss-in-ventilation-systems) Pressure loss is one of the quickest ways to undo the investment in a good HVAC unit. You can specify the most... ![Sagging ducting across a very short run](https://elephantduct.com/hs-fs/hubfs/Saggy%20square.webp?width=400&name=Saggy%20square.webp) [Flexible Ducting](https://elephantduct.com/resources/tag/flexible-ducting) ### [The Pros and Cons of Flexible Ducting](https://elephantduct.com/resources/the-pros-and-cons-of-flexible-ducting) Flexible ducting is one of the most widely used ventilation products on the market — and one of the most misunderstood.... ![Fully flexible semi-rigid ducting at an extreme bend](https://elephantduct.com/hs-fs/hubfs/4mm%208mm%20flexible.jpg?width=400&name=4mm%208mm%20flexible.jpg) [Semi-Rigid Ducting](https://elephantduct.com/resources/tag/semi-rigid-ducting) ### [Which Type of Ductwork is Best? Why Semi-Rigid Comes Out On Top](https://elephantduct.com/resources/what-is-semi-rigid-ducting-a-complete-guide) Semi-rigid ducting sits proudly in a relatively newly-established space between flexible and rigid ductwork, offering... #### Quick links - [Home](https://elephantduct.com) - [About us](https://elephantduct.com/about) - [Products](https://elephantduct.com/products) - [Resources](https://elephantduct.com/resources) - [Technical Hub](https://elephantduct.com/technical-hub) - [Contact](https://elephantduct.com/contact) #### Follow Us [facebook-f icon](https://www.facebook.com/profile.php?id=61578769121076) [linkedin-in icon](https://www.linkedin.com/company/109854352/) [Follow us on Facebook](https://www.youtube.com/channel/UCH9GW3IRexFgSf2adbx6Odw) [Follow us on Facebook](https://www.instagram.com/elephantduct/) Manufactured in Europe #### © Elephant Duct 2026 #### Contact 01722 710312 nelly@elephantduct.com [![Return to Home](https://elephantduct.com/hs-fs/hubfs/elephantduct%20temp%20logo%20new%20pink%20trim.png?width=90&height=40&name=elephantduct%20temp%20logo%20new%20pink%20trim.png "Return to Home")](https://elephantduct.com)