Power Vent vs. Direct Vent Water Heaters

Choosing the right water heater often comes down to how it handles combustion air and exhaust. Two common options—power vent and direct vent—may look similar from the outside, but they differ in how they pull in air, vent gases, and perform in different installation scenarios.

Below is a practical breakdown of how they work, where each is typically used, and what to consider before upgrading or replacing a unit.