this unsubscribe and opt-out from potential communications at any time. See our Privacy Plan For more info.The key difference between EER2 and its predecessor is that EER2 takes under consideration additional practical situations, like fluctuating temperatures and humidity levels, rendering it a more precise indicator of the air conditioner’s efficiency in genuine use situations (Energy Star; Provider).Though SEER2 is really a essential metric in understanding the efficiency of your HVAC system, there are actually other essential ratings including EER2 and HSPF2 that Enjoy an important job in figuring out your system’s All round Power usage and effect on your Electricity expenditures. Here’s Everything you need go to my blog to learn about these further efficiency metrics.