Basic
$8,895 – $21,349 per project
Gas cast-iron boiler around 85% AFUE with copper fin-tube baseboard, two zones with zone valves, expansion tank and circulator, filled and purged
Whole-house hydronic heat: new boiler plus baseboard or radiators for a typical 1,500-2,500 sq ft home, installed.
Install Hydronic Heating System in Washington, District of Columbia typically costs $10,465 to $25,116 per project 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 install hydronic heating system.
National average: $10,000 – $24,000 per project
$8,895 – $21,349 per project
Gas cast-iron boiler around 85% AFUE with copper fin-tube baseboard, two zones with zone valves, expansion tank and circulator, filled and purged
$10,465 – $25,116 per project
Condensing gas boiler around 92% AFUE with copper fin-tube baseboard, two zones with zone valves and thermostats, filled and purged
$13,081 – $31,395 per project
Modulating-condensing gas boiler around 95% AFUE with outdoor reset, high-output fin-tube baseboard, two circulator zones, smart thermostats
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $4,725 – $11,340 | job |
| Labor | labor | $3,640 – $8,736 | job |
| Supplies & Other | supplies | $1,260 – $3,024 | job |
| Equipment & Disposal | equipment | $840 – $2,016 | job |
Connect with local install hydronic heating system contractors in Washington for personalized quotes based on your specific project.