Basic
$1,334 – $3,558 each
50-gallon condensing gas storage water heater around 90% efficiency, 6-year tank class, sealed PVC venting, condensate drain and relief line

Install one high-efficiency (condensing gas or ENERGY STAR) storage water heater replacing an existing unit, venting and connections included.
High Efficiency Water Heater in Washington, District of Columbia typically costs $1,570 to $4,186 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Washington are 5.0% higher than the national average for high efficiency water heater.
National average: $1,500 – $4,000 each
$1,334 – $3,558 each
50-gallon condensing gas storage water heater around 90% efficiency, 6-year tank class, sealed PVC venting, condensate drain and relief line
$1,570 – $4,186 each
50-gallon condensing gas storage water heater around 90% efficiency, 9-year tank class, sealed PVC venting, flex gas connector, shutoff and relief line
$1,962 – $5,233 each
50-gallon condensing gas storage water heater around 94% efficiency, 12-year tank class, sealed PVC venting, condensate neutralizer, drain pan, relief line
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $709 – $1,890 | each |
| Labor | labor | $546 – $1,456 | each |
| Supplies & Other | supplies | $189 – $504 | each |
| Equipment & Disposal | equipment | $126 – $336 | each |
Connect with local high efficiency water heater contractors in Washington for personalized quotes based on your specific project.