Cost to Whole-House Dehumidifier Installation in Portland, OR
$2,006–$4,956 in Portland
18% above the national average · 1.18x cost multiplier
In Portland, a whole-house dehumidifier installation runs $2,006 to $4,956 on average — about 18% above what homeowners pay nationwide. The West Coast market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.
Cost Breakdown in Portland
| Line Item | Low | Mid | High |
|---|---|---|---|
| Materials | $944 | $1,770 | $3,304 |
| Labor | $590 | $1,062 | $1,770 |
| Permits | $0 | $0 | $118 |
| Total | $1,534+18% vs. national avg | $2,832+18% vs. national avg | $5,428+18% vs. national avg |
Budget
Basic 70-pint whole-house dehumidifier tied into existing ductwork with gravity drain
Mid-Range
90-pint ducted dehumidifier with dedicated return, condensate pump, and humidistat controls
Premium
High-capacity 130+ pint commercial-grade unit with dedicated ductwork, smart controls, and whole-house coverage for 3,000+ sq ft
Material Options
Material prices below are national averages; availability in Portland may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Standard Ducted Dehumidifier (70 pint) | $800-$1,200 | Average-sized homes in moderate humidity areasAffordable, handles most homes, widely available, easy to service |
| High-Capacity Ducted (90-100 pint) | $1,200-$1,800 | Homes 2,500-3,500 sq ft or in high-humidity regions like the Gulf CoastHandles larger homes, better energy efficiency ratings, quieter operation |
| Commercial-Grade (130+ pint) | $2,000-$3,500 | Large homes, finished basements with persistent moisture, or coastal propertiesHandles extreme humidity, covers 3,000+ sq ft, longest warranties |
| Ventilating Dehumidifier | $1,500-$2,500 | Tight new-construction homes that need both dehumidification and fresh air exchangeBrings in fresh outdoor air while dehumidifying, improves IAQ, meets ventilation codes |
Other Projects in Portland
Portland Estimate
Typical Range
$2,006–$4,956
vs. National Average
18% above national
Cost Multiplier
1.18x
Estimates apply Portland's 1.18x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.
See national average costs →