Modern home with double glazed sky lights, windows and doors

Xcel™ - Maximum warmth and light Low E double glazing

Xcel™ - Maximum warmth and light Low E double glazing

Xcel™ Low E double glazing

The classic option, perfect for most kiwi homes

  • For maximum warmth and natural light.

  • Up to 78% better heat retention than single glazing, making your home warmer and drier in winter.

  • Super clear - lets in 80% of natural light, enabling warm, naturally light-filled spaces.

Double glazing brochure

Xcel™ Low E double glazing - Performance data

Heat loss

Visibility

Heat gain

Fading

Make-up mm

Ug
(Glass U Value)
Lower is better

VLT
(Visible light transmission)
Higher means more natural light

SF
(Solar factor)
Lower means less solar heat

Tdw-ISO (Damage weighted transmission)
Lower means less fading

4-12-4

1.3

80%

59%

0.68

4-10-4

1.4

80%

59%

0.68

4-8-4

1.7

80%

59%

0.68

View our technical double glazing range brochure below

Technical brochure - Double Glazing

Our sustainability journey

Our double glazing Low E glass is Declare Label Certified (Red List Free), which means they contain no toxic ingredients.

Our journey

Xcel™ compared to single glazing

Keeping my home warmer

Up to 78% better heat retention

Keeping my home cooler

Reduce up to 31% solar heat

Xcel™ performance

This data is based on a 4-12-4 make-up
Terminology defined:
U Value: Lower is better
SF: Lower means less solar heat
VLT: Higher means more natural light
Tdw-ISO: Lower means less fading

U value (based on 4-12-4)

1.3

Solar Factor (SF)

59%

Visible light transmission (VLT)

80%

Fading protection (Tdw-ISO)

0.68

Modern home exterior with double windows and doors

Need more options?

Our double glazing range can be combined with laminate, tint or obscured glass. Whatever your requirements are, we can customise and tailor a solution for your home.

Get a free quote

Winter promo is on now use promo code WINTER2024! We have two deals - you choose! Get a discount or a bonus performance glass upgrade. Plus all accepted quotes from now until the 31st Aug go into the draw for a chance to win a $5,000 Travel voucher. Request a free quote here. Terms apply.