Glazings

Insulated glazing units (IGUs) are a fundamental component of the thermal performance of the transparent building envelope. Their two key parameters, the Ug-value (thermal transmittance) and the g-value (solar factor), must be carefully balanced depending on the climate zone. A low Ug-value reduces heat losses in winter, while an appropriate g-value allows beneficial solar gains and limits overheating in summer. The correct selection of glazing optimises the building’s energy balance, improves indoor comfort and supports compliance with Passive House requirements.
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Climate zones

Location / availability

`U`_g

W/(m²K)

g

`τ`_vis

Gap

Total thickness

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Cerca	Climate zones	Date certified	`U`_g	G	`τ`_vis	Composition	Gas filling	Gap	Total thickness
Component Manufacturers
ClimaGuard Premium2 Guardian Thalheim GmbH	Freddo, temperato	mar 2014	0,58 W/(m²K)	0,52	0,74	4:/18/4/18/:4	1	18 mm	48 mm
ClimaGuard Premium2 Guardian Thalheim GmbH	Freddo, temperato	mar 2014	0,64 W/(m²K)	0,52	0,74	4:/14/4/14/:4	1	14 mm	40 mm
ClimaGuard Premium2 Guardian Thalheim GmbH	Freddo, temperato	mar 2014	0,72 W/(m²K)	0,52	0,74	4:/12/4/12/:4	1	12 mm	36 mm
ClimaGuard Premium2 Guardian Thalheim GmbH	Freddo, temperato	gen 2014	0,60 W/(m²K)	0,52	0,74	4:/16/4/16/:4	1	16 mm	44 mm
ClimaGuard Premium2 (Kr) Guardian Thalheim GmbH	Freddo, temperato	gen 2014	0,55 W/(m²K)	0,52	0,74	4:/10/4/10/:4	2	-	10 mm
ClimaGuard Premium2 (Kr) Guardian Thalheim GmbH	Freddo, temperato	gen 2014	0,51 W/(m²K)	0,52	0,74	4:/12/4/12/:4	2	-	12 mm
ClimaGuard Premium2 (Kr) Guardian Thalheim GmbH	Freddo, temperato	gen 2014	0,51 W/(m²K)	0,52	0,74	4:/14/4/14/:4	2	-	14 mm
ClimaGuard Premium2 (Kr) Guardian Thalheim GmbH	Freddo, temperato	gen 2014	0,52 W/(m²K)	0,52	0,74	4:/16 /4/16/:4	2	-	16 mm
EAGON SUPER VIG EAGON Windows&Doors Co., Ltd.	Freddo	gen 2018	0,51 W/(m²K)	0,48	0,70	5/0,25 Vac/:5	4	1 mm	11 mm
EAGON SUPER VIG Plus_(air) EAGON Windows&Doors Co., Ltd.	Freddo	gen 2018	0,47 W/(m²K)	0,45	0,64	5/0,25 Vac/:5/12 Air/5	4	-	27 mm
EAGON SUPER VIG Plus_Ar EAGON Windows&Doors Co., Ltd.	Freddo	gen 2018	0,35 W/(m²K)	0,38	0,57	5:/0,25 Vac/5/18 Ar/:5	4	-	33 mm
EAGON SUPER VIG Plus_Kr EAGON Windows&Doors Co., Ltd.	Freddo	gen 2018	0,33 W/(m²K)	0,38	0,57	5:/0,25 Vac/5/12 Kr/:5	4	-	27 mm
SGG CLIMATOP ECLAZ LUMI ehemals ECLAZ Saint-Gobain Glass Deutschland GmbH	Freddo, temperato	gen 2017	0,57 W/(m²K)	0,60	0,77	4:/18/4/18/:4	1	-	18 mm
SGG CLIMATOP ECLAZ LUMI ehemals ECLAZ Saint-Gobain Glass Deutschland GmbH	Freddo, temperato	gen 2017	0,71 W/(m²K)	0,60	0,77	4:/12/4/12/:4	1	-	12 mm
SGG CLIMATOP ECLAZ LUMI ehemals ECLAZ Saint-Gobain Glass Deutschland GmbH	Freddo, temperato	gen 2017	0,64 W/(m²K)	0,60	0,77	4:/14/4/14/:4	1	-	14 mm
SGG CLIMATOP ECLAZ LUMI ehemals ECLAZ Saint-Gobain Glass Deutschland GmbH	Freddo, temperato	gen 2017	0,59 W/(m²K)	0,60	0,77	4:/16/4/16/:4	1	-	16 mm

Glazings

Ug

g

τvis

Gap

Total thickness

`U`_g

`τ`_vis