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Filter-free ultrafine particle removal system deployed in subways in Korea

Envirotec Magazine

The approach dispenses with filters, instead relying upon electrostatic forces – but managing to do so without noticeable ozone generation. Additionally, a pilot test in the HVAC system of a department store in Gyeonggi-do confirmed its fine particulate matter reduction effectiveness in commercial settings.

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CO2 monitors facilitate rollout of environmentally friendly refrigeration in Australian supermarkets

Envirotec Magazine

However, Chlorofluorocarbons (CFCs) caused damage to the ozone layer and were phased out following the Montreal Protocol in 1987. Production of Hydrochlorofluorocarbons (HCFCs) then increased globally, because they are less harmful to stratospheric ozone.

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Can ACs cool the world without warming it?

Grist

How will it change the HVAC units and window ACs we’ve grown to rely on? Spencer Platt / Getty Images “There’s this kind of idea that HVAC products are boring and not exciting and ugly and hard to use,” Romanin says. This week, we start with the tech side. What will that future-friendly AC look like?

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Preventing aerosol transmission

Envirotec Magazine

The Heating, Ventilation and Air Conditioning (HVAC) system should have a minimum efficiency of MERV-13 to filter even very small particles out of the air. Although it is known that UV-C light destroys the SARS-CoV-2 viruses, it ultimately increases indoor ozone concentrations,” he said.

Ozone 130
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Secrets of a long partnership in gas detection (Sponsored content)

Envirotec Magazine

These include refrigeration plants, indoor swimming pools, water treatment plants, ice arenas, wineries and breweries, airports, hotels, fish farms, battery charging rooms, HVAC systems, food processing plants, vehicle exhausts and many more.

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Building Sustainability Checklist: 28 Tips to Make Your Building More Eco-Friendly.

Green Business Bureau

Tip # 7: Use non Volatile Organic Compound (VOC) paint – VOC paints contain harmful chemicals that vaporize at room temperature and enter the atmosphere impacting the ozone layer and human health. VOC-free paints help reduce toxins that cause health and environmental implications, are easier to clean, and have less odor. .

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Sustainable Event Planning: Getting Started Guide for Small Businesses

Green Business Bureau

If you’re running an event inside a building, then 44% of that building’s energy consumption is attributed to heating, ventilation, and air conditioning (HVAC) equipment, and 28% to lighting equipment. Volatile Organic Compounds (VOCs) can be found in some products, which damage the ozone layer when released into the environment.