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Vault — residential solar thermal heating systems

Impact of the building envelope and orientation on thermal comfort and energy performance of residential buildings in tropical regions

Derrick Kajjoba, Hillary Kasedde, John Baptist Kirabira, Racheal Wesonga, Joseph Ddumba Lwanyaga, Richard Mugwanya and others

Sustainable Energy Research · 2026 · cc-by-nc-nd

This study uses IES VE simulations, validated against on-site measurements, to test whether optimized building orientation and envelope materials can improve comfort and energy performance in low-income housing in Kampala, Uganda. The optimized model reduced annual hours above 28 °C by 44.3% in the living room and 72.7% in the master bedroom, and lowered indoor temperatures by 0.5 to 1.0 °C. The paper does not address solar thermal heating systems, so it is only tangentially related to that alert topic.

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Impact of the building envelope and orientation on thermal comfort and energy performance of residential buildings in tropical regions · ClaudeForge Studio