Cost to Install a Whole House Dehumidifier

February 2023

Dehumidifier Installation CalculatorZip Code
Dehumidifiers
Item detailsQtyLow  High
Dehumidifier Cost 
Non-discounted retail pricing for: In duct dehumidifier. 65 pints per day. For 2 - 3 ton systems. Merv 11 filter. Requires water drain line and 120V electrical connections at unit. 		1 dehumidifier$1,668.18$1,946.74
Dehumidifier Installation Labor, Basic 
Basic labor to install whole house dehumidifier with favorable site conditions. Turn off power to system. Install dedicated 120 V 15A circuit adjacent to unit. Assemble and secure unit. Connect and seal inlet and outlet to existing plenum and ducting (up to 3m/10ft runs). Connect controller and secure wiring. Route drain line. Mount, connect and configure controller. Power and test unit Includes planning, equipment and material acquisition, area preparation and protection, setup and cleanup.		1 dehumidifier$1,668.18$1,946.74
Dehumidifier Installation Job Supplies 
Cost of related materials and supplies typically required to install whole house dehumidifier including: fittings, fasteners and mounting hardware.		1 dehumidifier$1,668.18$1,946.74
Option: Remove HVAC Unit
Disconnect power, connections and fittings. Disconnect mounting hardware and remove unit from premises. For units up to 200 LBS. Material cost includes dump fee.		1 dehumidifier$1,668.18$1,946.74
Dehumidifier Debris Disposal
Costs to load and haul away old materials, installation waste and associated debris.		1 dehumidifier42.52548.375
 Unused Minimum Labor
Balance of 2 hr(s) minimum labor charge that can be applied to other tasks.		   
Totals - Cost To Install Whole House Dehumidifier   
Average Cost per Dehumidifier  
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For a basic project in zip code 47474 with 1 dehumidifier, the cost to Install a Whole House Dehumidifier starts at $2,670 - $3,159 per dehumidifier. Actual costs will depend on job size, conditions, and options.

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Unlike other websites that publish pricing from unrelated jobs in the past, Homewyse creates up-to-date estimates from current Unit Costs. The Unit Cost method delivers high accuracy by using location, details and options for the unique requirements of each job. Contracting, trade, design and maintenance businesses rely on the Unit Cost method for transparency, accuracy and fair profits.


Cost to Install a Whole House Dehumidifier - Notes and General Information

These estimates are for BASIC work performed in serviceable conditions by qualified trade professionals using MID GRADE materials. Work not mentioned on this page and/or work using master craftsman, premium materials and project supervision will result in HIGHER COSTS! Explore the full range of dehumidifier new installation labor options and material prices here.

These estimates are NOT substitutes for written quotes from trade professionals. Homewyse strongly recommends that you contact reputable professionals for accurate assessments of work required and costs for your project - before making any decisions or commitments.

The cost estimate includes:

  • Costs for local material / equipment delivery to and service provider transportation to and from the job site.
  • Costs to prepare the worksite for Dehumidifier Installation, including costs to protect existing structure(s), finishes, materials and components.
  • Labor setup time, mobilization time and minimum hourly charges that are commonly included for small Dehumidifier Installation jobs.

The cost estimate does NOT include:

  • Costs for removing, relocating, repairing, or modifying existing framing, surfacing, HVAC, electrical, and plumbing systems - or bringing those systems into compliance with current building codes.
  • Costs for testing and remediation of hazardous materials (asbestos, lead, etc.).
  • General contractor overhead and markup for organizing and supervising the Dehumidifier Installation. Add 13% to 22% to the total cost above if a general contractor will supervise this project.
  • Sales tax on materials and supplies.
  • Permit or inspection fees (or portion thereof) required by your local building department for your overall project.

References - Dehumidifier Installation

Dehumidifier Installation Budget Management

Dehumidifier Installation Cost Infographic - critical areas of budget risk and savings

This infographic highlights decisions and site issues that can cause large cost variances in the typical Dehumidifier Installation budget.


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