Which double glazing option should I choose?

Which double glazing option should I choose?

Compare our glass

Heat retention - Keep my home warmer

Solar control - Keep my home cooler

How much natural light do you want?

What level of fading protection?

Do you need privacy?

Colour hue

Classic logo
Classic double glazing
FAIR
LOW
HIGH
LOW
NO
CLEAR
Low e double glazing plus logo
Plus™ Low E double glazing
GOOD
LOW TO MEDIUM
HIGH
LOW TO MEDIUM
YES
SUBTLE BLUE TONE
Max logo
Max™ Low E double glazing
VERY GOOD
MEDIUM
HIGH
LOW TO MEDIUM
YES
SUBTLE BLUE TONE
Low e double glazing xcel logo
Xcel™ Low E double glazing
EXCELLENT
LOW
HIGH
LOW
NO
CLEAR
Low e double glazing Xtreme logo
Xtreme™ Low E double glazing
EXCELLENT
HIGH
HIGH
LOW TO MEDIUM
NO
NEUTRAL TONE
SunX Grey icon
SunX™ Grey Low E double glazing
EXCELLENT
VERY HIGH
MEDIUM
MEDIUM
YES
GREY TONE
SunX™ Reflect Low E double glazing
EXCELLENT
VERY HIGH
MEDIUM
MEDIUM
YES
REFLECTIVE SILVER

Which type of glass offers the best warmth?

The chart on the right helps you compare our range based on heat retention.
Having a warm home helps reduce the likelihood of condensation, mould and mildew.

A higher % means more heat retention.
*The data is compared to single glazing and show maximum expected % values

View the other benefits of retrofit or download our brochure.

View benefits Double glazing brochure
100%

Which glass will help keep my home cooler in summer?

The chart on the right helps you compare our range based on solar control.
Solar control helps reduce the chances of your home overheating in summer.

A higher % means more solar control.
*The data is compared to single glazing and show maximum expected % values


View the other benefits of retrofit or download our brochure.

View benefits Double glazing brochure
100%

Which glass provides the most natural light?

The chart on the right helps you compare our range based on visible light transmission (VLT).
VLT is a measure that tells you how much natural light is coming through the glass

A higher % means more natural light.
*The data is compared to single glazing and show maximum expected % values


View the other benefits of retrofit or download our brochure.

View benefits Double glazing brochure
100%

Performance data

This table helps you compare the performance data of our range to single glazing.
*This data is based on a 4-12-4 make-up.

Heat Loss (U Value)

Lower is better - keeping your home warmer, drier and healthier

Solar Factor (SF)

Lower means less solar heat - reduce potential overheating

Visible light transmission (VLT)

Higher means more natural light - keeping your home light-filled

Fading protection (Tdw-ISO)

Lower means less fading - protect your furnishings

Colour hue

Single logo
Single Glazing (4mm glass)
5.8
86%
90%
0.84
CLEAR
Classic logo
Classic double glazing
2.8
77%
81%
0.74
CLEAR
Low e double glazing plus logo
Plus™ Low E double glazing
1.9
57%
69%
0.64
SUBTLE BLUE TONE
Max logo
Max™ Low E double glazing
1.6
57%
69%
0.64
SUBTLE BLUE TONE
Low e double glazing xcel logo
Xcel™ Low E double glazing
1.3
59%
80%
0.69
CLEAR
Low e double glazing Xtreme logo
Xtreme™ Low E double glazing
1.2
40%
74%
0.58
NEUTRAL TONE
SunX Grey icon
SunX™ Grey Low E double glazing
1.3
25%
41%
0.32
GREY TONE
SunX™ Reflect Low E double glazing
1.3
22%
31%
0.27
REFLECTIVE SILVER

Benefits of Low E glass

High thermal performance

Keeps you warm and cozy in winter

Solar control technology

Helps protect from overheating in summer

Reduce power bills

Use less energy for heating and cooling

Fading protection

Helps protect furnishings from fading

Reduce noise

Helps reduce ambience noise

Naturally light-filled home

Helps to maintain natural light levels inside

Reduce condensation

Helps reduce likelihood of condensation

Couple talking in home, while looking at double glazed windows online

Is retrofitting right for your home?

We understand that each home is different, our expert Retrofit consultant will assess your home, and recommend a tailored solution for you and your budget.

Get a free quote

CHRISTMAS & NEW YEAR HOLIDAY CLOSURE: All Retrofit branches will be closed from 12pm Friday 20th December, returning Monday 13th January. Have a safe & happy holidays!
SUMMER PROMOTION - Get a FREE UPGRADE on your Retrofit Double Glazing quote. Use promo code: FREEUPGRADE25. Request your free quote here. Terms apply.