Triple28™ is the triple-glazed unit that changes everything – and nothing. Three panes of advanced glass in a 28mm profile thats fits straight into existing frames. More thermal performance. More acoustic comfort. More UV protection. Less weight, less hassle, less compromise.
It’s triple glazing, finally made simple.
Triple Glazing as it should be
Triple28 brings all the benefits triple glazing has always promised, but with none of the hurdles.
Fully compatible with traditional double-glazing frames, and only 15% heavier than a double-glazed unit, Triple28 makes better thermal performance and security as easy as any other installation.
The revolutionary suspended Monolithic Glass Core delivers triple-glazed performance within existing profiles, hardware, and workflow.
It’s installed just like a double-glazed unit: the same tools, the same techniques, the same installation time, just better outcomes.
Why Choose Triple28™ Triple Glazing?
Unlike traditional triple glazing, Triple28™ is engineered to fit into many existing 28mm double-glazed window systems. This means you can enjoy the advantages of modern triple glazing without the expense and disruption of replacing complete window frames.
Benefits include:
• Lower energy bills
• Warmer home throughout the year
• Reduced outside noise
• Improved home security
• Environmentally friendly glazing
• Minimal installation disruption
Improve Your Home's Energy Efficiency
Keeping heat inside your home is more important than ever. Triple28™ uses three panes of glass and advanced insulating technology to reduce heat loss and help maintain comfortable indoor temperatures throughout every season.
The improved thermal performance helps reduce reliance on central heating, making your home more energy efficient while potentially lowering energy costs.
Enjoy a Quieter Home
The additional pane of glass provides enhanced acoustic insulation, helping reduce traffic noise and other external sounds.
Whether you live on a busy road or simply want a quieter home, Triple28™ creates a more peaceful living environment.
More Pane. More Cozy.
Enjoy year round comfort with warmer winter and cooler summers.
The brittle, hard-to-fit, wafer-thin triple glazing beads are no more with Triple28™
The Monolithic Glass Core means you can use the standard double glazing bead system.
More Pane. More Savings.
Our best-ever performing sealed glass unit.
Triple28™ ArgonLock Technology gives our best ever installation (U-Value) performance. This combination achieves an industry leading 0.8 U-Value for maximum thermal performance.
More Pane. Less Weight.
Only 15% heavier than a traditional double glazed unit.
Traditional triple glazing is heavy. really heavy. The clever suspended Monolithic Glass Core is only 1.1mm thick which means the weight difference is barely noticeable.
More Pane. Less Retro.
Upgrade your existing double glazing to Triple28™.
Triple28™ fits straight into the same bead and gasket system as standard 28mm double glazing.
Request Your Free Triple28™ Quote
If you’re looking for a smarter alternative to replacing your windows, Triple28™ could be the perfect solution
Contact HeatGuard Windows today on 01246 250 600 or by using our online contact form! for a free, no-obligation quotation and discover how upgrading to Triple28™ can improve your home’s comfort, efficiency and value.
Our Accreditation
As your local company serving Chesterfield and the surrounding area, we like to ensure that our windows are reliable. That is why we provide the highest quality aluminium windows that meet the latest building regulations. Additionally, our windows are ISO 14001 Environmental Management accredited.

