The versatility of our balcony enclosure means it can be fully open, partially or fully enclosed. Solar energy, even on overcast days, naturally warms the space. Ideally there should be a solid floor or wall to absorb the solar energy during the day and give off the heat at night. Ventilation to the internal room adjacent to the sunspace allows this heat gain to provide warm air into the inner room. As the sunspace is not heated artificially, it can be single glazed. Any wind is kept out which would naturally cool the space via the wind chill effect.