This thesis examines daylight utilization in Nordic home environments without artificial lighting. One of the aims is to save energy and create healthy living spaces that fully harness daylight benefits. The research question focuses on how to effectively use daylight as the sole illumination source for functional, comfortable, and aesthetically pleasing homes.

Existing guidelines overlook the importance of daylight in homes and fail to consider human preferences, resulting in a research gap. To address this, this thesis conducts an analysis of three existing buildings and presents a design project that specifically focuses on building orientation, openings, and materials. Daylight calculations are conducted based on the proposed design.

The key findings emphasize that a home without artificial light can be easily achieved during the summer months through strategic room placement, incorporation of skylight windows, and utilization of various window types. Material selection is crucial in creating a comfortable atmosphere while maximizing daylight transmission for optimal lighting.

These findings highlight the importance of considering unique daylight conditions in Nordic countries and aligning designs with individual preferences. The study contributes by emphasizing the need for optimal daylight solutions that enhance energy efficiency, well-being, and user satisfaction in home environments.