🏆 Did you know ACCA has an award-winning A2L refrigerant safety program? Our A2L Refrigerant Safety Training just earned the 2025 ASAE Gold Circle Award — and it's completely FREE for ACCA members! What makes it special: ✅Available in English AND Spanish ✅Covers your ENTIRE team at no extra cost ✅On-demand training for low-rise residential applications ✅Expert-led curriculum ensuring safety and compliance The refrigerant transition is here. Make sure your team is prepared with the best training

Q&A Q about the new A2L safety valves A: the old valves used a type of rupture disk for pressure relief that dumped the whole charge. A2L uses a resealable valve that will open to relieve the pressure then close again to reduce the familiarity risk. When the valve opens and vent refrigerant out, some of the liquid had to change state to a vapor to maintain saturation pressure. As liquid changes state to a vapor it absorbs heat into lathen hidden form. The sensible temperature of the refrigerant