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Industry Insights7 min readBy New Chapter Homes

Triple Glazed Windows in Modular Homes Ireland: Maximum Efficiency

Triple glazed windows in modular homes — how triple glazing compares to double glazing, U-values, comfort, noise reduction, and whether it's worth the upgrade.

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Triple Glazed Windows in Modular Homes Ireland: Maximum Efficiency — Industry Insights article by New Chapter Homes Ireland

Looking for the full picture? Read our complete guide to modular homes in Ireland.

Triple Glazed Windows in Modular Homes

Triple glazing is the upgrade from double glazing — three panes of glass with two insulating gaps — for maximum thermal and acoustic performance. This guide explains how triple glazing compares to double glazing and whether it's worth it for an Irish modular home.


What Is Triple Glazing?

A triple-glazed window has three panes of glass separated by two insulating gas-filled gaps (usually argon or krypton). The extra pane and gap improve both thermal and acoustic insulation vs double glazing.


Triple vs Double Glazing

| Factor | Double glazing | Triple glazing | |---|---|---| | Panes | 2 | 3 | | U-value (window) | ~1.4 W/m²K | ~0.8 W/m²K | | Heat loss | Low | Very low | | Noise reduction | Good | Better | | Cost | Standard | +15–25% | | Best for | Most homes | A-rated / exposed sites |


Why Triple Glazing Suits Modular Homes

1. Lower U-Values

Triple glazing achieves a lower window U-value (~0.8 W/m²K vs ~1.4 for double) — helping a modular home hit an A-rated BER.

See: U-Values & Energy Efficiency in Modular Homes

2. Comfort

Triple glazing reduces cold radiation from windows — the air next to a triple-glazed window stays warmer, so you feel more comfortable even close to the glass.

3. Acoustic Insulation

The extra pane dampens outside noise — useful on busy roads or in exposed coastal sites.

See: Acoustic Insulation in Modular Homes

4. Exposed Sites

For coastal or upland modular homes, triple glazing handles wind and weather better than double.


Is Triple Glazing Worth It?

For an A-rated home or an exposed site, yes — the comfort and efficiency gains are real. For a garden room or a sheltered site, double glazing is usually enough. We advise based on your site and target BER.


Talk to Us About Glazing

At New Chapter Homes, we offer both double and triple glazing on our modular builds. Book a free consultation to talk through glazing options.

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