Why does your HVAC system need a P-trap? That little piece of pipe in your condensate drain line does two big jobs: ✔️ Stops air from being sucked in or blown out through the drain line — keeping your system running efficiently. ✔️ Helps water drain properly so your system doesn’t back up or leak. It may seem small, but the P-trap is an important part of your air conditioning system’s health and efficiency. If you’re noticing water where it shouldn’t be, give us a call. We’ll check your drain li