News & Updates
Insulated, Acoustic, PVC Coated Aluminium: Which Flexible Ductwork Is Right for Your Project
Insulated, acoustic, PVC or COMBIFLEX, here’s how to choose the right flexible ductwork for the job.
Spiral, Flat Oval or Rectangular: Choosing the Right Ductwork for Your Project
Not all ductwork is equal. Here’s how to choose the right type for your project from the start.
Aztec EPDM Roof Flashings – Backed by a 20 Year Manufacturer’s Guarantee
When installing any roof penetration, reliability matters. Whether it’s ventilation ducting, flue pipe, extraction systems or other pipe penetrations, one of the most important things is ensuring the roof flashing remains watertight and durable long-term — not just on...
What Size Roof Pipe Flashing Do I Need?
What Size Roof Pipe Flashing Do I Need? (Complete Guide from 3mm to 1000mm) Choosing the correct roof pipe flashing size is one of the most important parts of getting a watertight seal on your roof. Get it right, and installation is straightforward. Get it wrong, and...
How to Choose the Right Ventilation Grille for Your Project
Ventilation grilles are performance-critical components that, when overlooked, can lead to excessive noise, uncomfortable draughts, and increased pressure on fans.
Why the Ergovent Rondo Invisible Ceiling Air Valve Is Changing Modern Ventilation Design
As modern design shifts toward uninterrupted ceiling lines, the Ergovent Rondo offers a discreet alternative to traditional diffusers by delivering essential airflow through a nearly invisible narrow slot.
Common Duct Fitting Mistakes That Quietly Ruin Ventilation Performance
While fans are often correctly sized, ventilation performance frequently fails due to poorly chosen or installed fittings that create unnecessary resistance and turbulence.
When Should I Use Stainless Steel Air Valves?
When Should You Use Stainless Steel Air Valves? When you’re putting a ventilation system together, most of the time a standard air valve will do the job without any issues. But there are certain situations where it’s worth stepping up to a stainless steel air valve...
What’s Needed To Install An Invisible Or Plaster In Air Valve?
Invisible / Plaster-In Air Valves – What Is Actually Needed? Invisible air valves (or plaster-in valves as most people call them) have become really popular over the last few years — especially on higher-end residential jobs. We’re getting asked about them more and...
Should I Put Stainless Steel On Commercial Kitchen Walls
When it comes to finishing the walls in a commercial kitchen, the choice of material matters more than most people think. It’s not just about appearance — it directly impacts hygiene, durability, maintenance, and even long-term cost. The three most common options are:...
What Is a Heat Recovery Ventilation Unit and How Does It Work?
Modern buildings are becoming more airtight as energy efficiency standards improve. While this helps reduce heat loss, it also means that fresh air cannot enter the building naturally as easily as it once did. This is where heat recovery ventilation units play an...
Where Should Attenuators Be Installed in a Ductwork System?
Proper attenuator placement is vital for a quiet system; learn why installing them near noise sources and sensitive rooms prevents costly callbacks.
Flexible Ductwork for Bathroom Extract Fans: Which Option Works Best?
Choosing the right ducting is as vital as the fan itself; discover when to use insulated, PVC, or acoustic flexible ducting to ensure a mould-free bathroom.
Fire Dampers Explained: How They Protect Buildings From Fire Spread
Fire dampers are critical safety devices that automatically close to maintain compartmentation and protect escape routes during a fire.
Quick Duct Explained – When Do You Need an Adapter or Clamp?
Quick Duct Explained – When Do You Need an Adapter or Clamp? If you’ve ever stood on site with a length of spiral duct in one hand and a section of quick-fit duct in the other, you’ll know the question… “How are these actually meant to join?” Quick duct (also called...
Why Your Ventilation System Is Too Loud (And How to Fix It Properly)
In this guide, we break down the most common causes of ventilation noise from oversized fans and missing attenuators to poor duct layout and grille face velocity and show you exactly how to fix each one properly.
Fire Damper Installation in Spiral Duct Systems: Best Practice
At Fresh Air Supplies, we supply high quality spiral ducting, fittings and ventilation components with the reliability and fast service contractors depend on.
How Duct Layout Affects Airflow and Energy Efficiency
Poor duct layout is one of the biggest reasons ventilation systems underperform and waste energy. Here’s what installers need to know.
When Should You Use a 45 Degree Saddle Take Off in Spiral Ductwork?
When Should You Use a 45 Degree Saddle Take Off in Spiral Ductwork? If you’re branching off a spiral duct line, the fitting you choose makes more difference than you may think. A lot of systems still use straight saddle collars by default. These do work of course —...
What Is the Difference Between Roof Cowls?
What Is the Difference Between Roof Cowls? China Mans Hat vs Vertical Jet vs Fibreglass Roof Cowls It is one of our most common questions. What Roof Cowl do I need? Or what’s the difference in them? Roof cowls play a critical role in ventilation systems. They protect...
How to Choose the Correct Duct Fittings for Your Ventilation System
Choosing the correct duct fittings is fundamental to building a ventilation system that performs as designed.
Ductwork in Tight Spaces: Smart Fitting Choices for Ceiling Voids and Retrofits
Fresh Air Supplies has the duct fittings, technical knowledge, and delivery speed to keep your project on track.
Invisible Ventilation, Visible Quality: Why Rondo Air Valves Are Redefining Ceiling Design in the UK
When reliability, quality, and service matter, choose the Fresh Air Way.
Troubleshooting Poor Ventilation: Could Your Duct Fittings Be the Problem?
Fresh Air Supplies is proud to stock the Rondo valve in all sizes, ready for fast UK delivery.
How Poor Duct Fitting Choices Can Ruin Your Ventilation System (And How to Avoid Them)
We’ve been on both sides of the industry, on the tools and at the trade counter. That’s why our advice is practical, and our stock is chosen for real-world performance.
Ventilation Rules You Can’t Ignore: A Guide to UK Building Regs
At Fresh Air Supplies, we combine decades of experience with unmatched product availability.
Project Spotlight: New Popeyes Restaurant at The Junction, Antrim
Project Spotlight: New Popeyes Restaurant at The Junction, Antrim Fresh Air Supplies is proud to support exciting commercial developments across Northern Ireland, especially those close to home. We were pleased to supply a complete range of spiral ducting, fixtures,...
Project Spotlight: Supplying Lidl Cookstown
Project Spotlight: Supplying Lidl Cookstown with Atlantic Air Fresh Air Supplies was proud to support the recent Lidl Cookstown development, working in partnership with established ventilation contractor Atlantic Air to deliver reliable, high-quality ventilation...
Understanding IP Ratings: What They Mean for Ventilation Fans
Understanding IP Ratings: What They Mean for Ventilation Fans When choosing ventilation fans for your projects or customers, you may have come across "IP ratings" in the product specifications. But what do those numbers actually mean? And why are they important when...
Understanding Duct Bends and Tees: Types, Uses, and Best Practices
At Fresh Air Supplies, we’ve spent over 35 years on both sides of the trade (installation and supply), so we know how important quality fittings are.
Product Highlight: 4-Way Ceiling Diffuser – The Everyday Essential for Even Airflow
4-Way Ceiling Diffuser – The Everyday Essential for Even Airflow When designing or installing an HVAC system, airflow distribution is just as important as ducting layout and extraction capacity. A high-quality 4-way ceiling diffuser plays a crucial role in delivering...
What is ErP 2026 and How Will It Affect Ventilation Products?
At Fresh Air Supplies, we keep a close eye on evolving regulations that shape the future of our industry. One of the most significant updates on the horizon is ErP 2026—the next phase in the European Union’s Energy-related Products Directive. If you work with fans,...
The Ultimate Guide to Ducting Fittings in the UK: Types, Uses, and Installation Tips
Whether you’re installing a new ventilation system in a domestic renovation or upgrading ductwork in a commercial setting, choosing the right ducting fittings is absolutely crucial.
Introducing Ergovent KVADRO: The Square Invisible Ceiling Diffuser Inspired by the Success of Ergovent RONDO
At Fresh Air Supplies, we’re always listening to what designers, architects, and customers love—and building on it. That’s why, following the incredible popularity of the Ergovent RONDO, we’re excited to introduce its sleek new counterpart: KVADRO, the square...
Fresh Air Supplies Partners with COANDA to Bring MADEL Products to Northern Ireland
Fresh Air Supplies Partners with COANDA to Bring MADEL Products to Northern Ireland We’re proud to announce a new and exciting partnership between Fresh Air Supplies and COANDA—a collaboration that brings even greater access to MADEL’s renowned range of...
Quality at the Core: Behind the Scenes of Our Spiral Duct Manufacturing
At Fresh Air Supplies, we believe that quality isn’t something you inspect at the end — it’s something you build into every stage of the process. That philosophy is especially evident in our spiral duct manufacturing line, where every meter of ducting is produced with...
What Are The UK Building Standards for Ventilation ?
Here's a comprehensive overview of the main UK building standards for ventilation: 1. ????️ Building Regulations – Approved Document F ("Ventilation") The core legal framework for ventilation in England and Wales: Volume 1: Dwellings – Guidance on natural, mechanical...






































