How much does a whole-house humidifier cost installed?
Whole-house humidifier installation runs $450 for a basic bypass model, $750 for a typical fan-powered unit, and $1,400+ for steam humidifiers requiring electrical and plumbing work.
Quick price points (2026)
| Tier | Cost | Unit |
|---|---|---|
| Low | $450 | installed |
| Typical | $750 | installed |
| High | $1,400 | installed |