Product Overview
Low-e tempered glass door uses low-emissivity coated insulated glass in aluminum frames to keep heat out in summer and in during winter — measurable energy savings on glass-heavy facades.
The low-E coating reflects infrared while transmitting light, cutting solar gain by up to 60% versus clear glazing. Paired with thermal break frames, it meets modern energy codes for residential and commercial doors.
Key Features
- Real energy savings — low-E coating cuts solar heat gain up to 60%
- Comfort glazing — warm in winter, cool in summer
- UV protection — blocks most fading UV for interiors
- Tempered safety — all panes tempered per code
- Flexible formats — swing, sliding and pivot layouts
Application Scenarios
Low-E glass doors serve energy-conscious buildings:
- Sun-facing balconies — cut glare and heat load
- Commercial entrances — glass fronts with lower HVAC bills
- Offices & meeting rooms — light with thermal control
- Green building projects — supports LEED / energy code points
Configuration Options
- Glass — 5+12A+5 low-E tempered (triple optional)
- Frame — thermal break aluminum 1.8-2.0 mm
- Hardware — stainless multi-point or pivot
- Formats — swing / sliding / pivot
- Colors — black / grey / white / RAL
- Sizes — custom to openings
Product Specifications
| Glazing | low-E double tempered |
| U-value | 1.8-2.4 W/m2K |
| SHGC | 0.28-0.40 by coating |
| Frame | thermal break |
| Air tightness | class 7+ (EN 12207) |
| Certificates | CE / ISO 9001 / SGS |
All products are manufactured in our ISO 9001 certified factory and carry CE / SGS certification. Custom requirements are welcome.
Quality Certifications
Ruhai Material is ISO 9001 certified and ships products compliant with CE and SGS requirements worldwide. Material certificates and test reports are available with each shipment.
Frequently Asked Questions
What is low-E glass?
Glass with a microscopically thin metallic coating that reflects infrared heat while passing light — it keeps interiors cooler in summer and warmer in winter.
What is the MOQ?
MOQ is 5 m2 or one door.
What is the lead time?
25-35 working days after drawings.
Is low-E worth it for my climate?
For hot-sun or cold climates, yes — we help you compare payback with your electricity prices.
Can I get triple glazing?
Yes, triple low-E units are available for extreme climates.
Request a Quote
Send us your specifications, quantity and target port — our sales team replies within 24 hours with a detailed quotation. Send an inquiry now.
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