The results also indicated ten over-perceptions and three under-perceptions amongst hotel managers, thus implying that they may require a better understanding of customer expectations. Several demographic differences were also identified. Female hotel managers and customers were found to be more concerned with green hotel products and a green image; hotel managers aged over 59 were found to have reservations about certain green marketing strategies probably because of service quality issues, although green supporters are in general older than average; younger customers aged between 20-29 become more concerned about environmental issues; and customers with a Master degree level of education or above challenged whether hotels are truly innovative in their development of green products and services and had reservations about the use of eco-labels.