If the rapid rise of Covid-19 cases globally has taught us anything, it’s that the virus can be transmitted by aerosol. We now know we can become infected after being exposed to aerosol droplets exhaled by an infected person. But can infected aerosols also be distributed by Heating, Ventilation, and...
If the heatwave we endured at the start of this year is but a distant memory, here’s a reminder. We broke temperature records while sweltering through our hottest spell in years. And with that came an increased demand for air conditioning. It’s a little ironic when you think about it:...
If you turn on the tap to fill a glass of water but gasp when you see a rusty brown liquid flow from the faucet, would you still drink it? Surely you would rather go thirsty than drink something that looks like it will make you sick. The air we...
Do you wonder how clean the air that children breathe in classrooms is? The answer could raise the anxiety levels of parents across the state as students prepare to return to face-to-face learning. And rightly so, because if there is one thing that can bring the long awaited return to...
With Sydney in the midst of a worsening Covid-19 outbreak, it has never been more essential that heating, ventilation and air conditioning (HVAC) systems are properly maintained. Optimising ventilation in indoor workplaces is one weapon being used to fight the risk of coronavirus transmission. So how confident are you that...
Are you a fan of those TV current affair programs whose intrepid reporters chase down unscrupulous tradies to confront them about their dodgy work? It seems funny on the surface but no one wants to be an unwitting victim of an unlicensed, unskilled and incompetent workman. As they say: if...
What would happen if you didn’t service your car regularly? Or, for example, you ignored the build-up of slime and algae on your fish tank? Eventually you would expect to run the risk of destroying your car’s engine and, as for those poor fish, the outcome wouldn’t be pleasant. It’s the...
We’ve all experienced that mid-afternoon slump at work: you know that sluggish feeling you get when your energy levels dip and you find it difficult to get things done? Before you reach for a sugary pick-me-up snack, turn your attention to the air conditioning system – it could just be the...
