Basic
$324 – $810 each
Bypass whole-house humidifier with manual wall humidistat, new 1/4 in. water line with shutoff, drain line, wired to the furnace
Supply and install one whole-house bypass or flow-through humidifier on an existing forced-air furnace, with water line and humidistat.
Install Humidifier in Louisville, Kentucky typically costs $381 to $953 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Louisville are 5.0% lower than the national average for install humidifier.
National average: $400 – $1,000 each
$324 – $810 each
Bypass whole-house humidifier with manual wall humidistat, new 1/4 in. water line with shutoff, drain line, wired to the furnace
$381 – $953 each
Bypass whole-house humidifier with automatic humidistat and outdoor temperature sensor, new water line with shutoff and drain line
$477 – $1,191 each
Fan-powered flow-through humidifier with digital automatic humidistat and outdoor sensor, new water line with shutoff and drain line
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $173 – $433 | each |
| Labor | labor | $132 – $329 | each |
| Supplies & Other | supplies | $46 – $115 | each |
| Equipment & Disposal | equipment | $31 – $76 | each |
BuildX Pro researches and reviews the national price range for Install Humidifier, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local install humidifier contractors in Louisville for personalized quotes based on your specific project.