02/06/2026
If your heater's been running all morning and the room is still freezing — it's not your heater's fault. Windows account for up to 49% of heat loss in winter. Without adequate insulation, nearly half your warmth is quietly leaking out through the windows every single time your heater runs.
The good news? You don't need to replace your existing windows to fix this.
Magnetite retrofit double glazing fits inside your existing windowsill, allowing optimal air cavity for best result in thermal and acoustic insulation — no structural changes, no mess of replacement. Just a warmer, quieter home every winter.
✅ Up to 70% more thermally efficient
✅ Up to 70% noise reduction
✅ Fits your existing windows
✅ 4.7 stars · 250+ verified reviews on productreview.com.au
👉 Swipe to see how it works — then book your free in-home assessment. No obligation.