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DeLonghi DDSE40 Dehumidifier

DeLonghi DDSE40 Dehumidifier

Model: DDSE40 | SKU: de3275
  • Discontinued - This item is not currently available to order.

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  • Product Overview

    Stop costly mold damage and keep your environment comfortable with the DeLonghi DDSE40 Dehumidifier. This portable dehumidifier is designed to treat small to medium spaces up to 600 square feet. Use it in your bedroom, living room, laundry room, kitchen, or virtually any other damp space in your home. Like all DeLonghi dehumidifiers, the DDSE40 features a sophisticated digital control panel, an adjustable humidistat, temperature and humidity display, multiple draining options, and much more.

    Smart Dehumidifying on a Dime

    The DeLonghi 40-Pint Dehumidifier makes it easy to maintain healthy humidity throughout your space while keeping your energy consumption under control. Simply set your desired humidity between 30% and 90% using the adjustable humidistat and select Auto mode. The dehumidifier will automatically select the most efficient of 3 speeds to lower your humidity and shut off when your desired level is reached. This helps conserve energy and keep your operating cost down while effectively dehumidifying your space. As an added bonus, the DDSE40 is Energy Star-compliant for money-saving operation. 

    Manual or Continuous Drainage

    p> For more flexibility when using the DeLonghi DDSE40, you can choose from 2 drainage options. Drain the dehumidifier manually by emptying the water tank or drain it via gravity by attaching a standard garden hose. When you drain it manually, a tank full indicator alerts you audibly when it's time to empty and the unit automatically shuts off to avoid damaging overflows. To set up gravity drainage, route the hose (not included) to a nearby drain or to the outside.

    Additional Features

    • LCD Control Panel - Easily select, review, and change your settings with the large LCD control display.
    • 24-Hour Programmable Timer - Program the dehumidifier to power on or shut off for more energy-saving convenience.
    • Washable Air Filter - The DDSE40 is equipped with a washable antibacterial filter that traps allergens and neutralizes bacteria while ensuring operational efficiency.
    • Fan Mode - This unit performs double duty, dehumidifying or acting as an independent fan for comfortable ventilation.
    • Automatic Restart - In the event of a power failure, the DDSE40 automatically restarts in the last programmed mode once power resumes.
    • Low Temperature Operation - This Delonghi dehumidifier operates in temperatures as low as 35.6 degrees F. It also includes an automatic defrost system to quickly melt away frost build-up in cold environments, such as your basement.
    • Laundry Mode - Choose this high-power setting when you need to dehumidify a humid space quickly, such as your laundry room or bathroom.
    • Casters and Handles - Easy-roll casters and integrated handles make it effortless to move the dehumidifier around your home.


    The DeLonghi DDSE40 Dehumidifier is a full-featured compact dehumidifier designed to efficiently control excess humidity in spaces up to 600 square feet.

    What Customers Love

    • Automatic Humidity Control - The Auto mode allows you to set your desired humidity level and let the dehumidifier automatically maintain the level while conserving energy.
    • Laundry Setting - Laundry mode is a full-power setting that dehumidifies humid spaces quickly and can even help dry wet clothes faster. 

    Things to Consider

    • Auto Restart and Timer Operation - If a power failure occurs, the DDSE40 will retain its previous mode setting, but will lose programmed timer settings. Consider this if you plan to leave it running unattended using timed operation for long periods of time. 

    Manufacturer's Warranty

    1-Year Limited Warranty; 4 Years on Sealed System Parts

    Manufacturer's Literature

    Owner's Manual
    DeLonghi DDSE30 Dehumidifier User Guide

    What's In The Box?

    • DeLonghi DDSE40 40-Pint Dehumidifier
    • User Manual
  • Specifications

    Residential UseSingle Room
    Manufacturer-Stated Capacity40 pints
    Manufacturer-Suggested Room Size600 sq. ft.
    Practical Room Size600 sq. ft.
    Height24 in.
    Width15 in.
    Depth11.8 in.
    Weight48 lbs.
    Water ContainerYes
    Full Bucket Indicator/Auto ShutoffYes
    Internal Condensate PumpNo
    Continuous Drain CapableYes
    Drain Hose IncludedNo
    Low Temperature Operation (41 degrees F and Under)Yes
    Automatic DefrostYes
    Fan OperationRuns Continuously
    Number of Fan Speeds3
    Number of Filters1
    Filter TypeWashable slide-out filter
    Auto Restart On Power FailureNo
    Refrigerant TypeR-410A
    Voltage110-120 V
    Energy StarYes
    Energy Factor1.85 L/kWh
    Capacity at AHAM20 pints
    Capacity at Saturation40 pints
  • Frequently Asked Questions

    What is your return policy?

    We offer a 30-Day Money-Back Guarantee on all of our products. If you are not satisfied with your purchase for any reason, simply return the product to us within 30 days and we will process your refund. For policy details and exclusions, please read our full Return Policy

    What is your shipping policy?

    Standard shipping (3-6 business days) is free to the lower 48 states.

    Expedited shipping is available for select products. Shipping to Hawaii, Alaska, and Canada may incur an additional fee, depending on the items ordered. With the exception of Canada, we do not currently ship to international locations. Items typically ship 1-2 days after you place your order. For more information, visit our Shipping and Delivery page.

    What types of payment methods do you accept?

    We accept Visa, MasterCard, American Express, Discover Card, and Diners Club credit cards. Additionally, you can checkout using PayPal.

    As a Sylvane shopper, you can purchase with confidence knowing that your information will always remain confidential and secure at all times. Our website is tested daily for security flaws by a well-known third-party security firm. It also meets the security recommendations of the Department of Homeland Security's National Infrastructure Protection Center (NIPC) and passes the FBI's Twenty Most Critical Internet Security Vulnerabilities Test.

    After I place my order, when will my credit card be charged?

    Your credit card will be charged when your order is shipped.
    Want to submit an FAQ? Hold tight. We're enhancing this section to make it even more useful for you. Feel free to call us at 1-800-934-9194 for answers to any product-related questions.
  • Reviews

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