RESEARCH

RESIDENTIAL DAYLIGHT SCORE

Current climate-based daylighting metrics have limited applicability for residential use cases and fail to highlight relevant aspects of natural light in residential spaces. A new climate-based, annual evaluation framework called the Residential Daylight Score (RDS) is proposed to quantify both daylight supply and access to direct light in 12 diurnal and seasonal bins for temperate and cold climates. Spatial maps, as well as apartment scores, can be computed.

A rigorous testing of the RDS on 2,444 apartments from a set of 18 multifamily buildings from temperate and cold regions around the world highlights the usefulness and sensitivity of the introduced framework over existing daylighting metrics.

Published as:

• “A New Framework for Residential Daylight Performance Evaluation” | Building Simulation 2017 | With Timur Dogan, PhD

• “A critical review of daylighting metrics for residential architecture and a new metric for cold and temperate climates” | Lighting Research & Technology, January 2018 | With Timur Dogan, PhD

• “Testing the Residential Daylight Score: Comparing climate-based daylighting metrics for 2444 individual dwelling units” | Lighting Research & Technology, accepted for publication | With Timur Dogan, PhD

(Top) A comparison of residential daylight autonomy performance during summer versus winter

(Left) The Residential Daylight Score workflow

Application of the Residential Daylight Score on different residential multifamily buildings, with a scorecard of best and worst performing apartments for each building.