| Best Practices Guide: Successful energy efficiency technologies integration in SME hotels | | Hotel Energy Solutions | 2011 |
| Factors and initiatives affecting energy efficiency use in the hotel industry | | Hotel Energy Solutions | 2011 |
| Key energy efficiency solutions for SME hotels | | Hotel Energy Solutions | 2011 |
| Key energy efficiency technologies database for SME hotels | | Hotel Energy Solutions | 2011 |
| Front Runners Marketing Guidelines | | ENERGIES 2050, Stéphane POUFFARY and Philippine WATERKEYN | 2015 |
| Practical guide for pilot hotel owners | | Sustainable Innovation AB, Nigel Claridge | 2016 |
| Energy Efficiency tips for hotel staff | | Nigel Claridge (Sustainable Innovation AB), Ignacio Guerrero (CREARA), Maria Frangou (ENV/TUC) | 2016 |
| Sustainable tourism for development Guidebook | | World Tourism Organization (UNWTO) | 2013 |
| Keep It Real - Market and communicate your green credentials | | Dr Xavier Font and Laura Higa, Leeds Beckett University | 2015 |
| Green hotels catalog Slovenia - The undiscovered magical hinterland of Slovenian Istria | | Krajevna skupnost Gradin | 2020 |
