International Refrigeration and Air Conditioning Conference. As you can see, both refrigerant gases have almost similar levels of COPs. However, the R-32 gas beats out the R-410a by only a few decimal points. Winner: R-32. It has a higher COP than the R-134a. Safety and Flammability. Refrigerant gases from your AC can leak given the right This chemical is known as Freon, and it can be toxic if it’s not handled properly. If you have an older air conditioner, it may use a different kind of refrigerant that can also be toxic. If you think you may have been exposed to Freon or another toxic air conditioning fluid, seek medical attention immediately. There is not a hard, fast rule for the thermodynamic properties of A2L refrigerants. As with A1 refrigerants, some A2L refrigerants are pure, and others are blends. In pure refrigerants like R-32, you do not need to anticipate glide. However, you can expect there to be some temperature glide in refrigerant blends like R-452B and R-454A. All of our services are not only timely but accurate as well. We can guarantee competitive HVAC services. We value your business and ensure that we prioritize your comfort and safety. If you want real, affordable solutions, call Hart Home Comfort for a free, in-home service estimate today. Call Now: (631) 667-3200. The exhaust air from the outdoor unit of the air conditioner is not harmful. The exhaust does not produce any harmful chemical or gas. In fact, the exhaust air is merely atmospheric air at a higher temperature. However, dust will build up at the outdoor unit and the exhaust air can become dirty if the outdoor unit is not cleaned regularly. A2L refrigerants have lower flammability and toxicity compared to other classifications – A = non-toxic, 2 = flammable, L = low burning velocity – making it the second-safest refrigerant category. As of December 2018, more than 68 million air conditioners using A2L refrigerants have been installed around the world. Starting in 1996, 404A was the primary refrigerant for the above mentioned applications for over twenty years. R-404A is non toxic and non flammable and has an A1 rating from ASHRAE. Note that if 404A is pressurized after being mixed with air the chance of flammability increases. You should never mix 404A with air under. ErMGBVI.

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