Buildings that perform as well as they look
I’m Dr Ashvin Manga, South Africa’s first Certified Passive House Designer. I measure indoor air quality, comfort and energy use, then turn the results into practical retrofit decisions for healthier, more comfortable and more efficient buildings.
What matters most to you?
Choose where you’d like to start.
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Health
Is the air in your home or workplace helping you, or holding you back?
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Energy
Find out where your building loses energy and money, and what to fix first.
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Smart Home
Simple technology that keeps your building comfortable, healthy and efficient.
How I can help
Independent, evidence-based advice for homeowners and commercial building owners across South Africa.
Indoor air quality and indoor environmental quality assessments
Building energy analysis
Retrofit design: insulation, U-values and material selection
Passive House design consulting
Project management