Basic
$4,448 – $8,895 each
Wall-hung condensing gas boiler around 90-95% AFUE with PVC venting, primary-secondary near-boiler piping, condensate drain
Replace a residential boiler with a 90-95%+ AFUE condensing gas boiler including PVC venting and near-boiler piping.
High Efficiency Gas Boiler in Washington, District of Columbia typically costs $5,233 to $10,465 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 gas boiler.
National average: $5,000 – $10,000 each
$4,448 – $8,895 each
Wall-hung condensing gas boiler around 90-95% AFUE with PVC venting, primary-secondary near-boiler piping, condensate drain
$5,233 – $10,465 each
Condensing boiler around 95% AFUE with modulating burner, outdoor reset sensor, PVC venting, neutralizer, air separator
$6,541 – $13,081 each
Condensing boiler around 95%+ AFUE with wide-range modulation, outdoor reset, magnetic dirt separator, ECM circulators
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $2,363 – $4,725 | each |
| Labor | labor | $1,820 – $3,640 | each |
| Supplies & Other | supplies | $630 – $1,260 | each |
| Equipment & Disposal | equipment | $420 – $840 | each |
Connect with local high efficiency gas boiler contractors in Washington for personalized quotes based on your specific project.