Basic
$312 – $780 each
Bypass flow-through pad humidifier on the plenum with bypass duct, water line with shutoff, drain line, manual humidistat
Install a bypass or flow-through whole-house humidifier on an existing furnace, with water line, drain, humidistat and wiring.
Furnace Humidifier in Birmingham, Alabama typically costs $367 to $918 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Birmingham are 10.0% lower than the national average for furnace humidifier.
National average: $400 – $1,000 each
$312 – $780 each
Bypass flow-through pad humidifier on the plenum with bypass duct, water line with shutoff, drain line, manual humidistat
$367 – $918 each
Bypass flow-through humidifier with bypass damper, water line with shutoff, drain, automatic humidistat with outdoor sensor
$459 – $1,147 each
Fan-powered flow-through humidifier for higher output, water line with shutoff, drain, digital humidistat with outdoor sensor
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $173 – $433 | each |
| Labor | labor | $118 – $294 | each |
| Supplies & Other | supplies | $46 – $115 | each |
| Equipment & Disposal | equipment | $31 – $76 | each |
Material costs in Birmingham run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local furnace humidifier contractors in Birmingham for personalized quotes based on your specific project.