Basic
$327 – $980 each
Bypass evaporative humidifier on the furnace plenum with bypass duct, manual humidistat, water line and drain
Supply and install one whole-house humidifier (bypass or fan-powered) on an existing furnace, including water line and humidistat.
Built In Humidifier in Des Moines, Iowa typically costs $384 to $1,153 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 built in humidifier.
National average: $400 – $1,200 each
$327 – $980 each
Bypass evaporative humidifier on the furnace plenum with bypass duct, manual humidistat, water line and drain
$384 – $1,153 each
Larger-capacity bypass humidifier with automatic digital humidistat and outdoor temperature sensor, water line and drain
$481 – $1,442 each
Fan-powered evaporative humidifier with digital automatic control and outdoor sensor, no bypass duct needed, wired to the furnace
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $169 – $508 | each |
| Labor | labor | $140 – $420 | each |
| Supplies & Other | supplies | $45 – $135 | each |
| Equipment & Disposal | equipment | $30 – $90 | each |
Labor costs in Des Moines run proportionally higher than materials, which may favor material-heavy solutions.
Connect with local built in humidifier contractors in Des Moines for personalized quotes based on your specific project.