Water Heater Decision
Power Vent vs. Direct Vent
The 2026 hot water decision tree.
Spec
Power Vent
Direct Vent
Typical 2026 cost
$1,800–$3,200 installed
$1,500–$2,800 installed
Lifespan
10–13 years
10–13 years
Performance
Forced fan exhaust, can run long horizontal runs
Sealed combustion drawing air from outside
The Verdict
Power vent wins for retrofits with limited venting. Direct vent wins for sealed-combustion safety in tight homes.
Key Facts
- Power vent requires electrical outlet within 6 feet
- Direct vent eliminates indoor combustion air draw
- Power vent is louder (50–60 dB at the unit)
- Direct vent is the safer choice for tight, weatherized homes
Which Should You Pick?
Pick Power Vent if you have:
- basements without easy chimney access
- retrofits replacing atmospheric vent units
- installs requiring 30+ feet of horizontal venting
Pick Direct Vent if you have:
- tight, well-insulated homes
- installs near sleeping areas (quieter)
- new construction with sidewall venting planned
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