Sound
Element 01| Claim | Standard / method | Document |
|---|---|---|
| Class A speech level reduction, 30 dB or more | ISO 23351-1:2021 | Test report · on request |
| 0.30 second reverberation time, tuned to voice clarity | In-cabin measurement · test method to be cited from the report | Test report · on request |
Air
Element 02| Claim | Standard / method | Document |
|---|---|---|
| Air exchange up to 139× per hour (For U); 80–94× per hour across the range | Derived from maximum ventilation airflow and interior cabin volume | Specbook 2026 |
| CO₂ held below 1,000 ppm in occupied use | In-cabin measurement | Measurement report · in preparation |
| Low-emitting interior materials | SCS Indoor Air Quality certification | Certificate · on request |
Light
Element 03| Claim | Standard / method | Document |
|---|---|---|
| 2700 K to 6500 K adjustable colour temperature, dimmable, flicker-free | Product specification | Specbook 2026 |
| UL-listed in-house electronics | UL 962 · file E544564 | UL listing, US UL listing, Canada |
Materials
Element 04| Claim | Standard / method | Document |
|---|---|---|
| Powder-coated HDF architecture, FSC-certified wood, CARB and NAF MDF | Material declarations | Declarations · on request FSC Search · C156268 |
| Basotect® G+ acoustic foam, 50% recycled PET felt | Supplier documentation | Documentation · on request |
| Outer panels, surface-burning characteristics (flame spread and smoke developed) | UL 723 / ASTM E84 | Test report · in preparation |
Manufacturing & sustainability
The Foundation| Claim | Standard / method | Document |
|---|---|---|
| Environmental Product Declarations published | ISO 14025 / EN 15804 | Small For U Medium Large XLarge XXLarge |
| 45,000 m² facility in Türkiye, 2.4 MWp DC rooftop solar supplying around 70% of annual electricity, 95% vertical integration | EPD and facility energy records · press coverage of the installation, November 2022 | Energy accounting note · in preparation |
| Environmental and safety management systems | ISO 14001 · ISO 45001 | Certificates · on request |
| Warranty coverage and terms | Calma warranty terms 2025 | Warranty terms |
| German Design Award 2025 · Green Good Design Award 2025 · iF Design Award 2026 · Red Dot Award: Product Design 2026 | Published award listings | The Foundation |
Certificates and test reports are shared on request: ask your Calma contact. Rows marked "in preparation" are documents Nurus engineering is still compiling. Figures on this page match the live product pages and the Calma Digital Product Passport. If a document and a figure ever disagree, the document wins.
Calma builds the right place, as far as physics will let us. The good work is yours.