Building performance assessment for homes and businesses
Measure first. Understand the problem. Improve the building.
PhD in Construction Management · South Africa’s first Certified Passive House Designer · Researcher and lecturer, Nelson Mandela University
I’m Ashvin Manga. I’m passionate about creating healthier, more comfortable and sustainable buildings.
Blocked nose, hay fever that’s worse at home, restless sleep, a stuffy office or a shocking electricity bill? I measure the air, energy use and technology in your home or workplace, then give you clear, independent advice on what to fix first.
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
Retrofit design: insulation, U-values and material selection
Passive House design
Project management
What a building performance assessment covers
A building performance assessment looks at how your building actually behaves while people live or work in it, not only how it was meant to perform on paper. I measure indoor air quality, comfort, ventilation and humidity, and energy use together, because they affect each other.
Read more about the building performance assessment
Based in Port Elizabeth, working across South Africa
I’m based in Port Elizabeth, Eastern Cape, and carry out building performance assessments in homes and businesses in and around the city. For buildings elsewhere in South Africa, travel is charged extra, and I can start with a video call to talk about your building.
If you already know where you want to start, read about my indoor air quality assessment or my energy performance assessment. If you’re not sure, tell me what’s happening in your building and get in touch.