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Windows

How to calculate how much energy your windows will save from its U-value

6 April 2016Patrick 8 Comments
Triple-glazed windows in a stunning home in Iceland

The number assigned to a building fabric that represents its thermal resistance is called its U-value. A U-value tells us how quickly or slowly it takes for heat to pass through it. Fabrics with lower U-values are better insulators than those with… Continue reading →

Health, PassivHaus, Windows Calculations, Triple-Glazed, U-value, Windows

Why double-glazing doesn’t solve your comfort issue – and can make it worse

12 February 2016Patrick 2 Comments
Trickle vent in double-glazed window

See if any of this sounds true to you. You live in a typical English home. It’s made of brick, it has timber-frame and single-glazed or double-glazed windows and woolly yellow insulation stuffed into the rafters in the loft. It… Continue reading →

Air Quality, Airtightness, Windows Double-glazing, Health, Ventilation, Windows

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