PASSIVE SOLAR ARCHITECTURE
Better homes.
Designed with the sun.
Discover how orientation, daylight and climate-aware design can make your home more comfortable. Start with practical guides and free design tools.
FREE GUIDES / NO SIGN-UP FOR CALCULATORS
AI-generated architectural concept.
A good place to begin
Your next step, made simple.
Understand the essentials
New to passive solar? Get a clear starting point for your home and site.
Explore design strategies
Connect orientation, windows and shading to the climate you build in.
Test your early ideas
Explore sun angles, overhangs and glazing with free calculators.
Comfort starts with design
Work with your climate.
Make every season count.
Welcome winter sunlight. Keep unwanted summer heat out. Start with the sun, your site and the way you want to live.
From reading to exploring
A little less guesswork.
Sun angles
Understand where the sun will be at your site.
Roof overhangs
Explore seasonal shading for your windows.
Window-to-wall ratio
Compare glazing area before plans are fixed.
Educational tools for early design exploration. See methods and limitations.
Ideas for your next decision
Fresh from the journal.
Bring it all together
A better brief.
A clearer starting point.
Organise your site, climate and design priorities with the free Passive Solar Design Checklist & Project Brief.
Explore the checklist online or request the Project Brief.