The core activity of Noa-Tec GmbH encompasses three main areas:
1. **Photovoltaics**: The planning, installation, and maintenance of solar systems for generating electricity from sunlight.
2. **Sheet Metal Work**: The manufacture, installation, and repair of roof and wall cladding, including the processing of metal and other materials.
3. **Roofing**: The planning, installation, and maintenance of roof structures, including the laying of roof tiles, shingles, and other roofing materials.
The company thus offers a combination of services in the field of building envelopes and renewable energies.