Be completely satisfied.
By choosing ENERGATE®, you also profit from our
years of experience in constructing passive houses.
Ludwig Häußler GmbH fitters and their partners at
the H Window Company are specialized in the
installation of high-insulating windows. Our
system-specific wall connections enable us to create
your projects reliably and flexibly.
One of our main priorities is the airtight
installation of your windows; proven many times
during blower door tests. Temperature-optimized
installation in the insulation space provides
excellent thermal insulation results.
We even offer flexible solutions for extraordinary
requirements. We use cranes and suction devices to
install large surface glazing. And, of course we
also install additional products, such as blinds and
Our goal is to make you completely satisfied with