R-12 came around and provided consumers and businesses with a safe and cheaper alternative refrigerant. R-12 has a relatively low boiling point at only -29.8° Celsius or -21.64° Fahrenheit. If you compare this to some of the other refrigerants out there such as R-22 (-40.7° C), R-744 (-78.0° C), or R-410A (-48.5° C). Knowing the refrigerant type and classification will support the decision to permit or refuse usage of toxic refrigerants within a facility. The available information for toxic refrigerants in occupied buildings is sparse. Any toxic substance should be carefully scrutinized before it is introduced into a facility. The chart compares lifetime emissions from a 15 SEER air-conditioner operating in a mild climate over a 15-year lifetime and an assumed leakage rate from both systems. Most systems will most likely not reach that leakage rate during a lifetime, but for the purpose of this analysis, we have assumed a leakage amount to highlight the difference Although freon is generally considered to be a fluorocarbon of relatively low toxicity; significant toxic effects may occur when significant over-exposure occurs. For example, contact of the skin with the cold liquid can cause frostbite and defatting and contact with the eye may result in irritation. 🛑 Freon leaks can be toxic. If you suspect a refrigerant leak, talk to your local HVAC contractor, who can use a freon leak detector to find and repair the issue. 6. Mold or Musty Smells. Does your AC smell like dirty socks? An air conditioning system that smells like mold and mildew is one of the most common AC smells coming from an HVAC cOqk.

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