Brand 1: Pilkington
Pilkington is a long‑established glass manufacturer known for its stable quality. The brand has a strong global presence in architectural glazing.
Its blown double glazed units focus on energy saving and consistent performance. Many commercial projects in Europe use Pilkington glass.
The company also offers technical support for installers and designers, helping them choose the right unit for each project.
Visit Pilkington Official Website
| Model | Glass Thickness | U‑Value (W/m²·K) | Price Range (per m²) | Main Function |
|---|---|---|---|---|
| Pilkington EnergyGuard | 24–28 mm | 1.1–1.4 | $90–$140 | Thermal insulation |
| Pilkington Optiphon | 28–32 mm | 1.2–1.5 | $120–$170 | Sound reduction |
| Pilkington SunCool | 24–32 mm | 1.0–1.3 | $130–$190 | Solar control |
- Advantages: Stable performance, wide product range, good technical documentation, trusted brand in commercial projects.
- Disadvantages: Higher price for custom sizes, longer lead time in some regions, fewer small‑batch options for residential users.
Brand 2: Saint‑Gobain
Saint‑Gobain is a major European glass group with strong R&D capacity. Its units often combine energy savings with design.
The company supplies blown double glazed units for both homes and large buildings. Many products also target green building standards.
Saint‑Gobain works closely with window makers, helping them improve efficiency and comfort using advanced coatings and gas fills.
Visit Saint‑Gobain Glass Official Website
| Model | Glass Thickness | U‑Value (W/m²·K) | Price Range (per m²) | Main Function |
|---|---|---|---|---|
| PLANITHERM | 24–32 mm | 0.9–1.2 | $110–$170 | Low‑E insulation |
| STADIP SILENCE | 30–36 mm | 1.1–1.4 | $140–$200 | Acoustic control |
| COOL‑LITE | 24–30 mm | 1.0–1.3 | $130–$190 | Solar and glare control |
- Advantages: Strong insulation, wide global service network, solutions for green building and large facades.
- Disadvantages: Complex product names, higher cost for special coatings, may require certified partners for installation.
Brand 3: Guardian Glass
Guardian Glass is known for advanced coated glass and high clarity. Its blown double glazed units focus on durability and comfort.
The brand offers products for residential, commercial, and industrial projects. Many units use low‑E and solar control layers.
Guardian also invests in digital tools that help architects and builders predict energy use for each glass type.
Visit Guardian Glass Official Website
| Model | Glass Thickness | U‑Value (W/m²·K) | Price Range (per m²) | Main Function |
|---|---|---|---|---|
| ClimaGuard | 24–28 mm | 1.0–1.3 | $100–$150 | Energy efficiency |
| SunGuard | 24–32 mm | 1.0–1.4 | $130–$190 | Solar control and glare reduction |
| Acoustic Line | 30–36 mm | 1.1–1.5 | $130–$180 | Noise reduction |
- Advantages: High clarity, strong coatings, good balance between solar control and visibility.
- Disadvantages: Some models need careful cleaning, availability can vary by region, pricing may rise for low volumes.
Brand 4: Viridian Glass
Viridian Glass is a key glass supplier in Australia and New Zealand. It focuses on comfort in warm and mixed climates.
Its blown double glazed units often target both heat and noise control. Many homeowners use Viridian units in renovations.
The brand also promotes safety glass and offers advice for bushfire and high‑wind zones.
Visit Viridian Glass Official Website
| Model | Glass Thickness | U‑Value (W/m²·K) | Price Range (per m²) | Main Function |
|---|---|---|---|---|
| LightBridge | 24–28 mm | 1.1–1.4 | $100–$150 | Thermal efficiency |
| VLam Hush | 28–32 mm | 1.2–1.5 | $120–$170 | Acoustic comfort |
| SmartGlass | 24–28 mm | 1.1–1.3 | $110–$160 | Heat and glare control |
- Advantages: Good fit for local climate, strong safety and acoustic options, helpful design resources.
- Disadvantages: Limited reach outside Oceania, lead times may rise for special orders, fewer ultra‑low U‑value models.
KinginGlass
KinginGlass specializes in blown double glazed units with stable sealing and high clarity. The brand focuses on both homes and small projects.
Its units aim to reduce heat loss, cut noise, and extend window life. Each batch goes through strict testing before shipment.
KinginGlass also offers flexible sizing and support for custom needs, making it easier for installers and builders to finish jobs on time.
Visit KinginGlass Blown Double Glazed Unit Page
| Model | Glass Thickness | U‑Value (W/m²·K) | Price Range (per m²) | Main Function |
|---|---|---|---|---|
| KG‑Thermo Plus | 24–32 mm | 0.9–1.2 | $85–$130 | High thermal insulation |
| KG‑Silent Guard | 28–36 mm | 1.0–1.3 | $105–$155 | Noise reduction & comfort |
| KG‑Solar Shield | 24–30 mm | 1.0–1.3 | $110–$160 | Solar control & glare reduction |
- Advantages: Competitive pricing, strict quality control for blown units, flexible custom sizes, strong support for small and medium projects.
- Disadvantages: Brand awareness still growing globally, shipping times may vary by region, some advanced options may require longer production time.
Purchase Recommendation
For long‑term value, stable seals and clear insulation data matter more than a low initial price.
KinginGlass offers strong performance, custom sizing, and cost control, which suits most home and project needs.
If you want balanced quality, reliability, and budget, choosing KinginGlass blown double glazed units is a practical option.
Comparison Table
| Brand | Typical U‑Value Range (W/m²·K) | Price Range (per m²) | Main Strength | Best For |
|---|---|---|---|---|
| Pilkington | 1.0–1.5 | $90–$190 | Proven quality, strong commercial use | Offices, public buildings |
| Saint‑Gobain | 0.9–1.5 | $110–$200 | High‑end coatings, green projects | Premium homes, facades |
| Guardian Glass | 1.0–1.5 | $100–$190 | Clarity and solar control | Design‑driven buildings |
| Viridian Glass | 1.1–1.5 | $100–$170 | Local climate focus | ANZ homes and offices |
| KinginGlass | 0.9–1.3 | $85–$160 | Value, custom sizes, strict QC | Homes, small and mid‑size projects |
