Our UK and Ireland offices are open as normal. Read our full Coronavirus statement here.

Ecological Building Systems

You are shopping in

The “GB” region can deliver orders to England, Scotland and Wales. For Northern Ireland deliveries, please choose the “Ireland” region.

Your region is: Great Britain Not right?

Glazing - Passive House Insulation Series (part 12)

Niall Crosson

By Niall Crosson

Friday 25th September 2020

High performance windows are a critical component of any Passive House.   

Glazing - Passive House Insulation Series (part 12) Glazing - Passive House Insulation Series (part 12)

In this video I outline the key features of a triple glazed rooflight used in my new build Passive House.  I discuss the U-value and airtightness features of the window.

Blog author

Niall Crosson

Niall Crosson

Group Technical Manager (BTech, MEngSc, MIEI, CEPHC)

Niall is the Group Technical Manager for Ecological Building Systems and was also the company’s first employee. Niall holds a first class honours degree as a Bachelor of Technology and a Masters in Eng.Sc. Niall is a certified Passivhaus Consultant and has provided technical guidance on many award winning low energy projects in Ireland and the UK, and has authored or co-authored several chapters in both the Passivhaus Handbook and the Passivhaus Designers Manual. Niall is also on the board of directors of the Irish Green Building Council and provides guidance on several national standards committees.  Along with this, Niall has contributed to several construction publications including The Journal of the RIAI.

Read More


Pro Clima Adhesive Tapes Tested For 100 Years

Read more

You Won't Get High But You Will Get A Healthy Home

Read more