My first car was a 1976 Ford Escort. As a junior engineer I could lift up the bonnet and see how all the parts connected together to work in a co-ordinated system. And when it didn’t work, I had a good chance of being able to figure out what the problem was and fix...
Can you keep the air in your place free of viruses even when its crowded, free from chemical contamination, maintain good ventilation without exposing yourself to smoke from outside, and all without letting out the heat or raising the energy bills? These kids from...
Portable air cleaners – by which I mean domestic appliances that use a fan to pass air over a HEPA filter and are sometimes referred to as PACs – often claim to remove 99.9% of bad stuff (viruses, smoke, dust) from the air. If that were true, why are we all not using...
New Zealand has some of the sweetest, purest, clearest clean air anywhere in the world. Most of the time. In most places. This is the continuing story of those other times and places. New Zealand is harbouring four guilty secrets about its air – four situations...
As the world faces the challenge of maintaining healthy indoor environments in an era of pandemics and climate change, World Ventil8 Day 2024 is set to spotlight the critical role of ventilation in enhancing health and wellbeing. This year’s theme “Enabling Action”...
So what is air pollution? Pollution is bad. The word ‘pollution’ conjures up images of something dark, something menacing, something nasty that turns up where it shouldn’t. The notion of something clean and pure being invaded by something repulsive or distasteful that...