Welcome to Hytherm Extra from Glasscraft. This advanced sealed unit combines superior thermal insulation with exceptional solar control, setting a new benchmark in energy efficient glazing.
Summer Comfort
Neutral Appearance
Winter Comfort
Energy SavingFeaturing an advanced performance Low-E soft coat, Hytherm Extra significantly boosts energy efficiency and achieves improved U-values, ensuring optimal comfort year-round.
Designed to keep rooms cooler in summer and warmer in winter, Hytherm Extra offers a substantial upgrade from standard specifications, making it the ideal choice for modern, sustainable living.
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Quick QuoteGot questions? We’ve got answers. Explore our FAQs for quick, clear advice, or reach out to our team directly.
What is Planiclear?
Planiclear is a high quality, clear float glass that forms the base product for all of Glasscraft’s Hytherm range of double and triple glazed units.
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What is Planitherm One II?
Planitherm One II is a high performance low-emissivity (Low-E) coating, offering exceptional thermal insulation and maximum energy efficiency.
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What is Argon gas filling in double glazing, and why is it used?
Argon gas filling in double glazing improves insulation by reducing heat transfer between the glass panes. Sealed units with Argon gas filling in double glazing help lower energy bills and enhance thermal efficiency.
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