A pro installs a whole home dehumidifier.

Whole Home Dehumidifier

Meet real-world demands with long-term durability, flexible installation, and a service-friendly design. Quality backed by 150,000 hours of lifecycle testing and ENERGY STAR® certified performance, it’s a reliable solution that helps maintain optimal comfort and efficiency across a variety of home environments.

Installation Flexibility

 

The revolutionary tri-directional outlet makes installation smoother in virtually any location, even in the tightest, trickiest spaces.  

Onboard display control on tether, attached to dehumidifier with magnets for optimal placement on unit.

Built-in bubble level for easy leveling during installation.

Installation Flexibility products

Quality

 

Delivering top quality backed by rigorous lifecycle testing to validate reliable performance in the harshest environments:

  • 150,000 hours of run-time and 1,000,000 compressor cycles
  • Test chamber conditions: 110°F with 60% RH
  • 85-units tested
    • 50% of units ran flat-out
    • 50% cycled on-and-off continuously
      in 3-minutes intervals
Testing whole home dehumidifiers.

Serviceability

 

High-level of serviceability means you can repair rather than replace.

  • More replaceable components than ever before
  • Two top-quality, refrigeration fill ports one high-side and one low-side
  • Common 1” MERV 8 media filters
  • 38 smart alarms and alerts featured on the onboard display controller that uses easily understood terms
Replaceable Dehumidifier Components

Extended Lifecycle

 

Engineered to run in harsh, real-world environments with smart sensors that monitor performance and protect key components for a longer product life.

Temperature, relative humidity, and differential pressure sensors come installed and ready to use. They are located on inlet and outlet sides for better control, unit protection, and diagnostics.

Extended Lifecycle chip

Top Performing Efficiency

 

ENERGY STAR® certified product line, including the only 65 PPD ENERGY STAR certified unit available.

A Resideo pro installs a filter

Ventilation

 

  • Timed ventilation (minutes per hour) can be programmed through the onboard control
  • Ability to power and control a spring open/power close return damper and a power open/spring close fresh air damper
    • Dampers must be purchased separately
    • Dampers wired to terminals on outlet side
      of dehumidifier
  • Compressor automatically turns on during ventilation if incoming air RH is higher than setpoint
whole home dehumidifier in an attic

Find The Right Fit

Product comparison Table

Compare

Model

A65D

A90D A120D

Listed capacity

65 ppd 90 ppd 120 ppd

Warranty

5 years 5 years 5 years

ENERGY STAR®

yes yes yes

Coil material

Copper Copper Copper

Onboard display on tether

yes yes yes

Local control

yes yes yes

Outlet directions

3 3 3

Water leak rope

yes yes yes

Level gauge

yes yes yes

Service parts available

yes yes yes

Common filter size

12" x 12" 14" x 20" 14" x 20"

High- and low-side refrigeration fill valves

yes yes yes

Onboard diagnostics

yes yes yes

Ventilation through unit

no yes yes

Control dampers

N/A yes yes

Power dampers

N/A yes yes

Temperature, RH, and dP sensors on inlet and outlet

yes yes yes
DHM90R4000 Vent

Tri-directional Outlet

When space is tight, flexibility matters.

The first of its kind, tri-directional outlet repositions up, forward, or sideways to simplify installation in complex spots.

Replaceable Components


High-level of serviceability means you can repair rather than replace.
Replaceable components include:

 

  • Prefilters
  • Display controller
  • PCB
  • Coil freeze sensor
  • Compressor capacitor
  • Inlet and outlet sensors
  • Transformer
  • Fan
  • Fan capacitor
  • Configurable outlet
  • Water leak detector cable
Replaceable Dehumidifier Components
Testing whole home dehumidifiers.

Top-quality, Reliable Performance

Built to last through real-world conditions with innovative features that make it the ideal solution for reliable, efficient moisture control.

With testing including 150,000 hours of run-time and 1,000,000 compressor cycles, the Honeywell Home Whole Home Dehumidifier is proven to provide reliable performance in the harshest environments.

Private Label Program

Snap-on Branding
Transform your HVAC business with the private label program by Resideo. It simplifies the customization process so you can focus on the work at hand while supporting retention and recurring business.

Dehumidifier in an attic

Pro Support Videos

Elevate Your IAQ Solutions with Smarter Humidity Control

Test the A65D, A90D, or A120D Whole-home Dehumidifier

Plan the Ducting and Airflow on the A65D, A90D, and A120D Whole Home Dehumidifiers

Heat vs. Humidity: What Impacts Indoor Air Quality DIY from the Pros