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Installing Dehumidifiers in Challenging Areas

Jun 1, 2025

Lecture Notes: Installing Dehumidifiers in Hard-to-Reach Spaces

Introduction

  • Speaker: Michael Church, Crawl Space Ninja
  • Topics Covered: Dehumidifying hard-to-reach spaces like humid basements and attics.
  • Objective: Discuss installation of a dehumidifier in such spaces using a ducting kit.

The Problem

  • Issue: Difficulty in accessing certain areas of the house for dehumidification.
    • Examples: Humid basement, attic.
  • Solution Introduced: Installation of a dehumidifier using a ducting kit with the help of Aprilaire.

Dehumidifier Installation Overview

  • Location: Attic at Crawl Space Ninja corporate.
  • Features:
    • Drip pan for leak prevention.
    • Dry air is ducted into one part of the space while moisture is pulled out from another.

Products and Tools Used

  • Aprilaire Wi-Fi Thermostat: Model S-86W
    • Easy to install.
    • Available as a DIY kit.

Installation Details

  • Drilling and Mounting:
    • Discussion on drilling through OSB versus sheetrock.
    • Adjustability for different depths.

Ducting System

  • Collar Size: Transition from 10 inch to 8 inch collar.
    • Purpose: Maintain airflow (CFM) through flexible ductwork.
    • Setup: Connects at both return and supply sides.

Kit Components

  • Includes:
    • 25 feet of R4 flexible duct line.
    • Adjustable length and depth.
    • Designed to filter air as it passes through.
    • Pulls air from a ceiling, conditions it, and returns dry air.

Operational Recommendations

  • Distance Between Supply and Return:
    • Minimum recommendation of 6 feet.
    • Preferred distance of 10 feet for optimal air conditioning coverage.

Electrical Setup

  • Wiring:
    • Red and blue wires for positive and negative.
    • Green and yellow wires used to complete the circuit.
    • Important: Do not remove the jumper.

Conclusion

  • Application: Useful for areas with humidity issues where traditional dehumidifiers are hard to access.
  • Availability: Kits will be available for DIY installation.

Note: Throughout the lecture, there are references to visual instructions and music segments which are part of the video content, not covered in the notes.

Full transcript