When choosing new windows, many homeowners ask: should I go for double or triple glazing? Both have advantages and disadvantages depending on the budget, insulation needs, and climate. Here’s a clear comparison.
Double glazing – affordable and practical
Pros:
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Cheaper – 20–25% less expensive.
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Lighter – easier on window frames and hinges.
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Great for renovations in older buildings.
Cons:
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Lower insulation (U-value ~1.1–1.4 W/m²K).
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Weaker soundproofing.
Triple glazing – energy-efficient and quiet
Pros:
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Excellent insulation – ideal for cold climates (U-value ~0.6–0.9).
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Better noise reduction.
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Long-term energy savings on heating bills.
Cons:
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More expensive.
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Heavier, requires solid installation.
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Can overheat in summer without sun protection.
Which to choose?
In colder climates like Estonia, triple glazing is a smart investment.
For limited budgets or basic renovations, double glazing is sufficient.
Conclusion
Triple glazing offers top-tier performance at a higher price.
Double glazing is budget-friendly and practical. Choose based on your home’s needs.