Label detail
Green Key
The internationally recognised hotel label by FEE — application-ready with Climactra.
FEE — international
Green Key has existed since 1994 and is awarded in over 70 countries to hotels that meet strict environmental and social criteria. As a recognised third-party certification, the label strengthens guest trust and online visibility. A typical audit takes 2–4 months; with Climactra, the application pack is ready automatically from the first month of data.
At a glance
- Issuer
- FEE — international
- Criteria
- 79 mandatory criteria + optional
- Target audience
- International hotels of any size
- Cost (indicative)
- approx. €500–1,500 / year (varies by country)
- Best for
- Hotels with an international guest mix looking for fast online visibility.
Example criteria
Excerpt from the official requirements. Climactra matches each criterion against your data automatically — or accepts a manual entry with evidence.
Document energy consumption
Monthly kWh capture per energy source. Climactra captures electricity, gas, heating oil, pellets and district heating including energy-mix factors.
Document water-saving measures
Low-flow fixtures in at least 75 % of rooms. Climactra tracks the equipment inventory and average water intensity per guest night.
Waste separation & recycling rate
At least 4 separate fractions and a recycling rate ≥ 50 %. Climactra calculates the rate automatically from your monthly waste data.
How Climactra supports you
Three core capabilities for the application.
Auto-check for criteria
The quantitative mandatory criteria (energy, water, waste) are checked directly against your consumption data — the rest you mark yourself.
Application export as PDF
All data in the format the FEE expects for the application — trilingual DE/EN/IT.
Monthly readiness tracking
See month by month how your application readiness changes — including the points still missing.
The label name and logo shown on this page are used exclusively as a descriptive reference pursuant to § 23 of the German Trademark Act / Art. 21 D.Lgs. 30/2005. Climactra is neither the trademark holder nor a certifying or accredited body; official certification is carried out exclusively by the named trademark holder or its authorised bodies.