Basic
$667 – $1,834 each
Smaller-capacity electrode-canister steam humidifier with duct dispersion tube, basic wall humidistat, water line and drain
Supply and install one whole-house steam humidifier on a forced-air HVAC system, including water line, drain, wiring and humidistat.
Steam Humidifier in Portland, Maine typically costs $784 to $2,157 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Portland are 1.0% lower than the national average for steam humidifier.
National average: $800 – $2,200 each
$667 – $1,834 each
Smaller-capacity electrode-canister steam humidifier with duct dispersion tube, basic wall humidistat, water line and drain
$784 – $2,157 each
Mid-capacity electrode steam humidifier, digital wall control with outdoor sensor, duct high-limit humidistat, water line and drain
$981 – $2,696 each
Higher-capacity steam unit with digital control, outdoor reset, high-limit and airflow switches, drain-water tempering kit
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $349 – $960 | each |
| Labor | labor | $280 – $770 | each |
| Supplies & Other | supplies | $93 – $256 | each |
| Equipment & Disposal | equipment | $62 – $171 | each |
Connect with local steam humidifier contractors in Portland for personalized quotes based on your specific project.