The necessary air exchange in a low energy house is guaranteed with an air handling system with waste heat recovery. The constant enforced air exchange creates a pleasant atmosphere, heats or cools a room, and keeps damp at bay. You are never aware of a feeling of drafts..
Unfortunately the notion of an eco-friendly house in Mallorca can only be deployed with certain provisos in mind.
The high humidity means that the drawn air must be treated and dehumidified. This leads to a higher energy need than compared to those used in central Europe. One other thing lacking in an eco-house, which is not permanently lived in, is the necessary energy supply.