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Simply complete our request form and we will then contact you as soon as possible and present you with a good and suitable quote. You can also visit our showrooms  or call us to make an appointment for us to visit you. Contact

Future oriented from the start

ENERGATE® is the result of extensive experience in the construction of windows. Our family-owned company, founded in 1919, has focussed on innovation from the very start. New patented solutions as well as cutting-edge designs and engineering make the ENERGATE® system a unique product. Durability, comfort, safety, light-related design and a highly-efficient energy balance are values which are important to us. To ensure the highest quality, we produce our future-oriented products at our own factory in Speyer, Germany. more

Plusenergie-Wohngebäude mit E-Mobilität · Germany

ENERGATE 1202+ (Foto: ©Univ. Prof. Dr.-Ing. M. Norbert Fisch)

Cree GmbH‘s LifeCycle Tower LCT ONE · Austria

ENERGATE Edition CREE (Foto: ©ENERGATE & Cree GmbH & Norman A. Müller)

Winner of Solar Decathlon 2007

Prototype Home 2015 · USA

Villa with winter garden and additional sauna house · Russia

ENERGATE 1042 [+] Historic Line

Passive office building · Germany

ENERGATE 1042 (Foto: ©Wagner & Co Solartechnik GmbH)

TITLEHOLDER Solar Decathlon 2009

SurPlus-Home · USA

SurPlus-Home · USA


MASDAR Institute of Science and Technology · United Arab Emirates

ENERGATE Edition Masdar (Foto: ©Nigel Young - Foster+Partners)

Detached House · Norway


Plusenergie-Wohngebäude mit E-Mobilität · Germany

ENERGATE 1202+ (Foto: ©Univ. Prof. Dr.-Ing. M. Norbert Fisch)

More windows. More light. More life.

Make your dreams come true today with the high-insulating window system ENERGATE®.
No matter whether passive or low-energy house, GreenBuilding project, energy retrofitting measures or CO2-neutral construction – with the passive house suitable and certified window system ENERGATE® you can realize all your energy-efficient construction dreams thanks to the system’s excellent heat insulation values, exceptional air tightness and numerous great designs. This window system, fitted in the winning house at Solar Decathlon 2007, not only makes an ecologically worthwhile contribution to CO2 reduction. It also creates comfortable homes full of light and warmth in which you and your family will feel happy for years to come. Moreover, it allows you to disregard price developments in the energy sector and to cut your heating bills. In short, an excellent solution. more


First Place and Overall Winner of Solar Decathlon 2007

A house of the future with ENERGATE windows from Häußler has won the competition in Washington D.C. to design, build and operate the most attractive and energy-efficient solar-powered house.

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The future of window construction is all about energy

Häußler presents the Germany’s entry for Solar Decathlon 2007 at BAU 2007.

Category: News Startseite

Häußler constructs the first passive house with ENERGATE® windows in Belgium

Ludwig Häußler GmbH is now using the new, high-insulating ENERGATE® windows to realise innovative construction projects in Belgium.

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