Xcel™ Low E Double Glazing

Modern home with double glazed sky lights, windows and doors

Xcel™ - Maximum warmth and light 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%	0.69
4-10-4	1.4	80%	59%	0.69
4-8-4	1.7	80%	59%	0.69

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)

0.69

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

View our range

Why choose Low E as part of your double glazing solution for your retrofit job?
Find out more about Low E double glazing here

Why choose low e glass?

Summer Promotion - FREE upgrade on your retrofit double glazing, plus get 5% discount!
Plus enjoy flexible payment options to make it even easier to upgrade your home. Find out more HERE or 👉 Click here to get your free quote and claim your offer. Use code: FREEUPGRADE26. Terms apply.

Xcel™ Low E double glazing