Cool comfort, Zero Harm: Next-Generation Refrigerants for a Healthier Planet

Created By RISC | 4 hours ago

Last modified date : 4 hours ago

Did you know that the new generation of HFO refrigerants is even more eco-friendly?

We often overlook how much our everyday appliances, air conditioners and refrigerators can impact the ozone layer. The key lies in refrigerants. If the wrong ones are used, they can significantly damage the ozone layer and accelerate global warming.

In the past, chlorofluorocarbons (CFCs) were widely used for their excellent cooling efficiency, non-flammability, and low toxicity. But CFCs are extremely stable and persist in the atmosphere for decades. When exposed to UV radiation, they release chlorine radicals that destroy ozone molecules, leading to ozone depletion and global warming.

As the damage became undeniable, the world phased out CFCs in favor of hydrochlorofluorocarbons (HCFCs), which were less harmful but still contributed to global warming. Countries, including Thailand, have since moved to discontinue them.

Today, newer alternatives have emerged:
• Hydrofluorocarbons (HFCs): Ozone-safe (ODP = 0) but with very high global warming potential (GWP = 1,000–10,000).
• Hydrofluoroolefins (HFOs): Ozone-safe (ODP = 0) with an ultra-low GWP (1–10).

When choosing air conditioners or refrigerators, always check that the refrigerant has an ODP of 0 and a low GWP. This helps protect the ozone layer and reduces climate impact.

World Ozone Day, 16 September reminds us of the ozone layer’s crucial role as Earth’s protective shield. It absorbs harmful ultraviolet rays—especially UVB and UVC—that can cause skin cancer, cataracts, crop damage, ecosystem disruption, and rising global temperatures if left unchecked.

At The Forestias, we are taking real action. Our cooling systems use HFO R1234ze, one of the world’s most eco-friendly refrigerants, with an ODP of 0 and a GWP of less than 1. This transition cuts carbon emissions by up to 43,869 tCO₂e annually compared with traditional HFCs.

It’s a major step toward building a community that is environmentally responsible—and safe for generations to come.

Content by: Supunnapang Raksawong, Sustainable Building Material Researcher