About
The specification partner behind German-engineered fenestration in the United States.
For over 25 years, Henselstone has designed, manufactured, and installed high-performance European windows and doors for luxury homes across the Southeast. We are the exclusive U.S. source for these German-built systems — and the certified team that installs and services them.
25+ yrsIn business
~20 yrsPassive house experience
12+ yrsHurricane testing
GermanyManufactured & engineered
NAMICertified
We are not a showroom. We are the specification partner who stays on the project from drawing to service.
How we work
Every system is custom-engineered and manufactured for a single project — not pulled from stock. We handle design input, in-house engineering and shop drawings, manufacturing in Germany, logistics, certified installation, and long-term service.
Because we finish every wood and metal-clad unit completely before it ships, we stand behind a ten-year full-replacement warranty, finishes included. That is only possible when one team owns the whole path.
See the processWhat we stand on
PrecisionBuilt to the millimeter and factory pre-finished, so what's drawn is what's installed.
PerformanceIndependently tested and NAMI certified — thermal, acoustic, structural, and coastal.
PartnershipOne team from design through decades of service, accountable for the result.