Palace Aluminium Systems Limited

🔍 Low-E vs. Solar vs. STI Glass – What’s the Real Difference?

(…and why your next window choice matters more than you think!)

🪟 1. Low-E Glass (Low Emissivity)
- Job: Keeps indoor heat IN during winter and OUT during summer.
- How: Invisible metal-oxide coating (500× thinner than a hair!) reflects long-wave heat radiation back to its source.
- Look: Crystal-clear, almost no tint.
- Best for: Mixed/cold climates where heating savings top the list.
- Key number: U-value as low as 0.25 (super insulation) .

☀️ 2. Solar Control Glass (a.k.a. Solar Low-E)
- Job: Stops the sun’s heat before it enters—think infrared & UV bounce.
- How: Extra metallic layers added to standard Low-E; tuned to reflect short-wave solar energy.
- Look: Slightly darker or cooler hue; still see-through.
- Best for: Hot, sunny zones or huge façades where air-conditioning bills hurt.
- Key number: SHGC down to 0.2 (up to 80 % solar heat blocked) .

🛡️ 3. STI Glass (Sound & Thermal Insulating)
- Job: Quiet + comfort combo.
- How: Laminated build with special acoustic interlayer + Low-E coating on the inner pane.
- Look: Same clear view, just thicker (6 mm–10 mm).
- Best for: City homes, roadside rooms, airports—anywhere noise is the enemy.
- Key number: Rw 40 dB+ reduction while keeping the same low U-value [supplier tech sheets].

🎯 Quick Pick Guide

Your Main Problem Glass to Pick Extra Benefit
Winter heat loss Low-E Lower heating bill
Summer heat gain Solar Control Smaller AC, no fade
Traffic noise STI Peace & quiet + thermal bonus

💡 Bottom line:
- Low-E is your all-season thermal blanket.
- Solar Control is the sun-shade you never have to roll down.
- STI is the triple-threat: thermal + acoustic + security in one pane.

Choose the glass that fights your biggest comfort enemy—and watch energy bills (and stress levels) drop!

# LOW E GLASS # STI GLASS # SOLAR CONTROL GLASS # PALACE ALUMINIUM