ECOWIA

European craftsmanship, engineered for North America's finest homes.

Ecowia International is the exclusive North American distributor of MEGAMAS — a second-generation Lithuanian manufacturer of premium wood, alu-clad and aluminum windows, patio and exterior doors, crafted entirely in-house for nearly 30 years.

Request a project estimate Explore the catalog

0.8 W/m²·KTotal window U-value (Uw), not glass-only

4 m / 13 ftLarge-format units up to 4 meters tall

≤ 5 daysProject estimates, clearly communicated

≤ 12 weeksLead time incl. production & delivery

Three frame systems

The right material for every architecture

All frames are made from renewable and recycled materials — wood and aluminum — with top-tier German hardware and premium European profile systems (Reynaers, Procural).

Wood

Timeless warmth

Solid-wood frames from a country with centenary carpentry traditions. The natural choice for luxury villas, waterfront estates and mountain homes.

Modern timber residence with large glazed walls

AluClad

Wood inside, armor outside

Aluminum-clad wood — 15 window options in the range. Premium performance for Passive House, net-zero and modern high-end residences.

Aluminum

Slim lines, large glass

Contemporary aluminum systems for bold architectural statements, expansive glazing and high-end residential or commercial projects.

Who we are

A family business, two generations deep

MEGAMAS has designed, crafted and assembled every product in its own Lithuanian facility for nearly 30 years — ensuring complete control over quality and performance. Current exports span Sweden, Norway, Germany, the Netherlands, Belgium, Switzerland and Greece.

Ecowia International brings this heritage across the Atlantic as the official and exclusive distributor for the United States — with reliable delivery to any seaport or door-to-door, and partnerships built on trust, integrity and flexibility.

100% made in Lithuania, EU

Designed, crafted and assembled in-house. Renewable wood. Recycled aluminum. German hardware throughout.

Selected projects

Our windows, in the wild

From private residences to landmark public buildings — a selection of delivered MEGAMAS projects.

Multifamily residences

Heritage restorations

Urban quarters

Dining room with full-height wood windows onto the garden

Private residences

Let's talk

Building something exceptional?

We partner with custom home builders and architects across North America. Estimates within five days.

info@ecowia.com +370 636 31333 (Cell / WhatsApp) megamas.lt