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Friendly cooling technology works without mechanical compressors or chemical refrigerants, and generates drinking water

Water-based air-conditioning unit cools air without compressors

Researchers have developed a water-based air-conditioning system that cools air to as low as 18°C without energy-intensive compressors.

New technology to boost energy efficiency of District Cooling Systems

2021 1014 TES technology 1 The Phase-Change Material thermal energy storage system co-developed by NUS has been installed at Keppel DHCS’ Changi

No need to use air purifiers at home, natural ventilation is key to reducing risk of Covid-19: NEA

SINGAPORE - It is not necessary to use air purifiers at home, and people should instead adopt practices like opening doors or windows as much as possible to maximise natural ventilation to reduce the risk of getting exposed to Covid-19, says the National Environment Agency (NEA). This advice comes as sales of air purifiers went up in recent weeks following concerns that Covid-19 may spread through airborne transmission in some settings. While using the appropriate air purifiers can remove virus aerosols in the air, they cannot act as a substitute for good ventilation, NEA told The Straits Times. They also cannot act as protection for other household members if one already has or is exposed to the virus.

Worried about Covid-19 airborne transmission? Maximise natural ventilation instead of buying air purifier, says NEA

It is not necessary to use air purifiers at home, and people should instead adopt practices such as opening doors or windows as much as possible to maximise natural ventilation to reduce the risk of getting exposed to Covid-19, said the National Environment Agency (NEA). This advice comes as sales of air purifiers went up in recent weeks following concerns.