Basic
$327 – $817 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 Des Moines, Iowa typically costs $384 to $961 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Des Moines are 3.0% lower than the national average for furnace humidifier.
National average: $400 – $1,000 each
$327 – $817 each
Bypass flow-through pad humidifier on the plenum with bypass duct, water line with shutoff, drain line, manual humidistat
$384 – $961 each
Bypass flow-through humidifier with bypass damper, water line with shutoff, drain, automatic humidistat with outdoor sensor
$481 – $1,201 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 | $169 – $424 | each |
| Labor | labor | $140 – $350 | each |
| Supplies & Other | supplies | $45 – $113 | each |
| Equipment & Disposal | equipment | $30 – $74 | each |
Labor costs in Des Moines run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local furnace humidifier contractors in Des Moines for personalized quotes based on your specific project.