Casa Loma · orientation

Xàbia · true north · 38.7437 N · 0.2266 E Rotates: house + poolFixed: plot + garage

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Direct sun hours on glazing · selected day0 h4 h≥ 8 h

11:00—

House rotation −5.0°

Day Dec 21

Local time 11:00

Sun hours on glazing Edges

Glazing · selected day —

Direct solar energy on glazing—

Difference vs 0°—

Façade	m²	h 0°	h rot.	kWh 0°	kWh rot.	Δ

Direct sun, clear sky, including shading from the house and the terrain. «h»: sun hours, weighted by glazing area.

Dec 21 (useful gain)Jun 21 (overheating)Mar 21

Calculates 13 angles × 3 days. Takes a few seconds.