Basic
$1,250 – $3,334 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 Portland, Maine typically costs $1,471 to $3,922 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 1.0% lower than the national average for high efficiency water heater.
National average: $1,500 – $4,000 each
$1,250 – $3,334 each
50-gallon condensing gas storage water heater around 90% efficiency, 6-year tank class, sealed PVC venting, condensate drain and relief line
$1,471 – $3,922 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
$1,838 – $4,903 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 | $655 – $1,746 | each |
| Labor | labor | $525 – $1,400 | each |
| Supplies & Other | supplies | $175 – $466 | each |
| Equipment & Disposal | equipment | $116 – $310 | each |
Connect with local high efficiency water heater contractors in Portland for personalized quotes based on your specific project.