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Retrofitting ageing South African buildings with modern HVAC systems requires a whole-building assessment rather than simple equipment replacement. Mechanical engineer Monde Mokhuma of CKR Consulting Engineers stresses that phased upgrades, hybrid systems, and smart controls help spread capital expenditure while addressing structural and electrical constraints in older structures.
Desiccant dehumidifiers decouple latent and sensible cooling loads, allowing green buildings to regenerate desiccant materials with solar heat or industrial waste heat instead of grid electricity. The technology addresses the building sector's projected 122% increase in electric energy consumption by 2030 while supporting Net-Zero Energy Building criteria in hot and humid climates.
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