Basic
$4,890 – $9,779 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 Chicago, Illinois typically costs $5,753 to $11,505 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Chicago are 19.0% higher than the national average for high efficiency gas boiler.
National average: $5,000 – $10,000 each
$4,890 – $9,779 each
Wall-hung condensing gas boiler around 90-95% AFUE with PVC venting, primary-secondary near-boiler piping, condensate drain
$5,753 – $11,505 each
Condensing boiler around 95% AFUE with modulating burner, outdoor reset sensor, PVC venting, neutralizer, air separator
$7,191 – $14,381 each
Condensing boiler around 95%+ AFUE with wide-range modulation, outdoor reset, magnetic dirt separator, ECM circulators
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $2,408 – $4,815 | each |
| Labor | labor | $2,275 – $4,550 | each |
| Supplies & Other | supplies | $642 – $1,284 | each |
| Equipment & Disposal | equipment | $428 – $856 | each |
Labor costs in Chicago run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local high efficiency gas boiler contractors in Chicago for personalized quotes based on your specific project.