Lower Prices
Direct Sourcing
Verified Suppliers
Direct Sourcing
Contact us For product pricing, customization, or other inquiries:
Contact Us
Explore More Products
- Product Details
- {{item.text}}
Quick Details
-
Warranty:
-
According to the contract
-
Type:
-
Float Glass
-
Shape:
-
Curve Flat Other
-
Structure:
-
Hollow Solid Other
-
Glass Thickness:
-
3mm 4mm 5mm 6mm 8mm 10mm 12mm Other
-
Air Cavity Depth:
-
6mm 9mm 12mm 15mm 18mm
-
Moh's Hardness:
-
5 6 7 8 9 Other
-
Energy Transfer:
-
Radiation Convection Conduction Other
-
Deep Processing Depth:
-
Toughened Glass Furniture Glass Hollow Glass Coated Glass Laminated Glass Sandwich Glass Dimming Glass Fire Resistant Glass Hot Bending Glass Other
-
Color:
-
Silver Green Brown Clear Grey Other
-
Usage:
-
Furniture Door Building Window Other
-
Payment:
-
T/T Other
-
Export Port:
-
Qingdao
Quick Details
Product Highlights
1. What Is Low-E Insulating Glass?
- Low-E Coating: An invisible metallic oxide coating that reflects heat while allowing natural light to pass through.
- Insulating Glass Unit (IGU): Two or more glass panes separated by a hermetically sealed airspace, often filled with inert gas.
2. How It Works
| Component | Function |
|---|---|
| Low-E Coating | Reflects interior heat back inside during winter; blocks solar heat gain during summer |
| Inert Gas Fill (Argon/Krypton) | Reduces conductive heat transfer across the airspace—lower U-value |
| Warm-Edge Spacer | Minimizes thermal bridging at the glass edge, improving overall performance and reducing condensation |
| Dual-Seal System | Ensures long-term gas retention and prevents moisture ingress |
Performance Benefits
| Benefit | Description |
|---|---|
| Energy Savings | Reduces heating and cooling costs by 30–50% compared to standard double glazing |
| Year-Round Comfort | Keeps interiors warmer in winter and cooler in summer—eliminates cold drafts near windows |
| UV Protection | Blocks up to 99% of harmful UV radiation—prevents fading of furniture, flooring, and artwork |
| Condensation Control | Maintains warmer interior glass surface—significantly reduces interior condensation |
| Noise Reduction | Provides 28–35 dB acoustic insulation (varies by configuration) |
| Sustainable | Contributes to LEED, BREEAM, and Passive House certifications |
Low-E Coating Types
| Coating Type | Application Method | Characteristics | Best Use |
|---|---|---|---|
| Soft-Coat (Sputtered) | Applied in vacuum chamber after glass forming | Superior thermal performance (lowest U-value); must be sealed within IGU | Cold climates, high-performance buildings, Passive House |
| Hard-Coat (Pyrolytic) | Applied during glass manufacturing | Durable; can be used as single-pane; moderate thermal performance | Warm climates, single-pane applications, retrofits |
IGU Configurations
| Configuration | Coating Position | Gas Fill | Typical U-Value (W/m²K) | Typical SHGC | Best Application |
|---|---|---|---|---|---|
| Double Glazed: Low-E + Clear | Surface #2 | Argon | 1.0 – 1.4 | 0.50 – 0.65 | Residential windows, moderate climates |
| Double Glazed: Low-E + Low-E | Surface #2 & #4 | Argon | 0.8 – 1.0 | 0.40 – 0.55 | Cold climates, high energy efficiency |
| Double Glazed: Low-E + Tempered | Surface #2 | Argon | 1.0 – 1.4 | 0.50 – 0.65 | Safety applications, doors, balustrades |
| Double Glazed: Low-E + Laminated | Surface #2 | Argon | 1.0 – 1.4 | 0.50 – 0.65 | Security, acoustic, UV protection |
| Triple Glazed: Low-E + Clear + Low-E | Surface #2 & #5 | Argon | 0.5 – 0.7 | 0.40 – 0.55 | Cold climates, Passive House, net-zero buildings |
| Triple Glazed: Triple Low-E | Surface #2, #4 & #6 | Krypton | 0.12 – 0.30 | 0.30 – 0.45 | Extreme climates, premium energy performance |
Climate-Specific Recommendations
| Climate Zone | Recommended Configuration |
|---|---|
| Cold Climates | Soft-coat Low-E on surface #3 (or #2 & #5 for triple glazing) with argon fill and warm-edge spacer—maximizes heat retention |
| Hot Climates | Soft-coat Low-E on surface #2 with low SHGC (0.23–0.35) and argon fill—blocks solar heat gain |
| Mixed Climates | Dual-action Low-E coating with balanced SHGC (0.35–0.50) and argon fill—optimizes both heating and cooling seasons |
| Tropical Climates | Hard-coat Low-E or reflective-coated Low-E on surface #2—maximum solar rejection |
| Passive House | Triple glazed with dual Low-E coatings, krypton gas fill, and warm-edge spacer—U-value < 0.65 W/m²K |
Spacer Technology Options
| Spacer Type | Thermal Performance | Condensation Resistance | Durability | Cost |
|---|---|---|---|---|
| Aluminum | Standard (thermal bridge) | Moderate | Excellent | Economical |
| Stainless Steel (Warm-Edge) | Improved | Good | Excellent | Moderate |
| TPS (Thermoplastic Spacer) | Superior | Excellent | Very Good | Premium |
| Super Spacer | Superior | Excellent (highest) | Very Good | Premium |
Gas Fill Options
| Gas | Thermal Conductivity | Performance | Best Use |
|---|---|---|---|
| Air | Standard | Baseline | Economical applications |
| Argon | Lower than air | 10–15% improvement over air | Standard for energy-efficient IGUs |
| Krypton | Very low | 20–30% improvement over air | Thin IGUs, triple glazing, premium performance |
| Xenon | Lowest | Maximum improvement | Specialty applications, extreme climates |
Applications
| Sector | Common Uses |
|---|---|
| Residential | Windows, sliding doors, patio doors, skylights, conservatories |
| Commercial | Curtain walls, storefronts, office facades, atriums |
| Architectural | High-rise buildings, green-certified projects (LEED, BREEAM, Passive House) |
| Hospitality | Hotel windows, restaurant glazing, resort facades |
| Healthcare | Patient room windows, energy-efficient hospital facades |
Performance Data Reference
| Configuration | Glass Build | Gas Fill | U-Value (W/m²K) | SHGC | VLT |
|---|---|---|---|---|---|
| Double Glazed | 5mm Low-E + 12mm Air + 5mm Clear | Air | 1.8 – 2.2 | 0.65 | 75% |
| Double Glazed | 5mm Low-E + 12mm Argon + 5mm Clear | Argon | 1.1 – 1.4 | 0.55 | 72% |
| Double Glazed | 6mm Low-E + 16mm Argon + 6mm Low-E | Argon | 0.8 – 1.0 | 0.45 | 65% |
| Triple Glazed | 5mm Low-E + 12mm Argon + 5mm Clear + 12mm Argon + 5mm Low-E | Argon | 0.5 – 0.7 | 0.50 | 68% |
| Triple Glazed | 4mm Low-E + 12mm Krypton + 4mm Clear + 12mm Krypton + 4mm Low-E | Krypton | 0.12 – 0.30 | 0.35 | 60% |
Quality & Certification
- ISO 9001 Certified: Strict quality management throughout production
- EN 1279 / ASTM E2190: Compliant with international insulating glass standards
- Gas Fill Testing: Argon/krypton concentration verified using advanced gas analyzers (minimum 90% fill concentration guaranteed)
- Durability Testing: Accelerated aging tests, climate cycling, and fogging tests to ensure long-term performance
- 3C Certified Tempering: Safety glass compliance where applicable
- 10–15 Year Warranty: Comprehensive warranty against seal failure and internal fogging
Why Choose Our Low-E Insulating Glass
- Integrated Manufacturing: Glass cutting, tempering, laminating, Low-E coating, and IGU assembly all in-house—consistent quality, single-source accountability
- Custom Engineering: Tailored U-Value, SHGC, and VLT to meet specific project energy codes and climate conditions
- Advanced Production: Automated IGU lines with precision gas filling and dual-seal technology
- Global Expertise: Trusted by architects, contractors, and developers worldwide for residential and commercial projects
- Sustainability Focus: Helps achieve green building certifications and reduce operational carbon footprint
Hot Searches