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comfort-aire window air conditioner REG-253J

Comfort-Aire 25000 BTU Window Air Conditioner with Electric Heat (REG-253J)

Model: REG-253L | SKU: co2602
Price: $849.95
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  • Product Overview

    The Comfort-Aire REG-253L Window Air Conditioner with Electric Heat offers 25,000 BTUs of cooling power, 16,000 BTUs of heating power, and an energy-efficiency ratio (EER) of 9.4. It has the ability to cool, heat, dry, or act only as a fan to keep spaces up to 1,500 square feet comfortable. This Comfort-Aire model’s convenient features include an Energy Saver mode, Sleep mode, Automatic mode, and auto restart function.

    5 Operating Modes

    The Comfort-Aire REG-253L is equipped with multiple operating modes that ensure comfortable room temperatures all year.

    • Cool: Using 25,000 BTUs of cooling power and 3 fan speeds, this Comfort-Aire air conditioner efficiently cools areas up to 1,500 square feet.
    • Heat: This model offers 16,000 BTUs of heating power and is designed for supplemental heating.
    • Dry: In Dry mode, this window AC eliminates humidity as it cools your room.
    • Fan: Use fan-only operation to prevent room stuffiness in cooler temperatures. This model is equipped with high, medium, and low speed settings as well as an auto fan function that automatically selects a speed based on room temperature.
    • Auto: When in Auto mode, this window AC automatically selects cooling, heating, or fan-only operation depending on the selected temperature and room temperature.

    Energy-Efficient Features

    The Comfort-Aire REG-253L offers easy-to-use features that reduce cost and energy usage. An Energy Saver mode maintains a reasonable room temperature while you’re at work or out of town because it automatically stops the fan and compressor when your optimal temperature is reached. Sleep mode reduces energy consumption by slightly increasing the temperature in Cool mode (or decreasing it in Heat mode) while you sleep before returning to the set temperature after 6 hours.  

    Using the programmable timer, you can program the window AC to start up or power down in 30-minute intervals for up to 24 hours, so your AC is only running when it’s needed. A digital remote lets you control the mode, fan speed, and other features conveniently from anywhere in the room.

    Window Kit Included

    The Comfort-Aire 25,000 BTU Window Air Conditioner with Electric Heat is equipped with all the tools you need for secure window installation. Its installation kit includes a top-mounting rail, vertical sash seal, accordion panels, and support brackets. It can be mounted in windows between 31 to 42 inches wide or through an outside wall.

    This is a 230-volt AC that uses a NEMA 6-30P plug type. The 3-prong face looks like this:

    Additional Features

    • Washable Air Filter: The reusable air filter saves you money and ensures efficiency.
    • Check Filter Indicator: Located on the unit and remote control, this feature reminds you to clean the air filter to maintain maximum efficiency.
    • Adjustable Airflow: Four-way adjustable front louver lets you direct the airflow horizontally and vertically, providing uniform cooling and enhanced comfort.
    • Fahrenheit/Celsius Temperature Display: Accurately show room temperatures in Fahrenheit or Celsius degrees.
    • Digital Remote Control: Conveniently change modes, fan speeds, and other settings with this full-function remote control.
    • Eco-Friendly: Its R-410A refrigerant does not contribute to ozone depletion.
    • Digital Display: The digital display screen shows the current room temperature and the remaining operation time when the timer is set.


    The 25,000 BTU Comfort-Aire REG-253L cools, heats, or dehumidifies spaces as large as 1,500 square feet, while its features conveniently reduce cost and energy usage.

    What Customers Love

    • Powerful: This model offers 25,000 BTUs of cooling power and 16,000 BTUs of heating power along with the ability to dehumidify and serve as a fan.
    • Convenient and Energy-Efficient Features: The full-function remote control lets you easily program the timer, change modes, or modify fan speeds to maximize energy efficiency with ease.  

    Things To Consider

    • 25,000 BTUs: Think about the size of your space when considering this AC. This model was built to cool and dehumidify medium- to large-sized spaces. It may cool small rooms too quickly and shut off before properly dehumidifying the area.

    Manufacturer's Warranty

    1 Year Limited (parts and labor) & 5 Year Limited (sealed system)

    What's In The Box?

    • Comfort-Aire Window Air Conditioner
    • Window Kit
    • Owner’s Manual

    View All Window Air Conditioners »
  • Specifications

    Window Installation TypeSingle/Double Hung
    Cooling Power25000 BTUs
    Recommended Coverage Area1450 sq. ft.
    Chassis TypeSlide-Out
    Height18.625 in.
    Width26.5 in.
    Depth25.5 in.
    Weight142 lbs.
    Minimum Window Width26.5 in
    Maximum Window Width42 in
    Programmable TimerYes
    Refrigerant TypeR-410A
    Voltage220-240 V
    Maximum Cooling Amperage12.8 Amps
    Maximum Heating Amperage22.5 Amps
    Number of Fan Speeds3
    Fan-Only ModeYes
    Heat Mode Yes
    Heater TypeElectric Coil
    Heating BTUs16000 BTUs
    Dehumidifier ModeYes
    Moisture Removal per Hour5.7 pints
    Sleep ModeYes
    Remote ControlYes
    Airflow Direction ControlYes
    Air FilterYes
    Maximum Cubic Feet per Minute (CFM)541 CFM
    Minimum Noise Level55 dB
    Maximum Noise Level61 dB
    Wall Sleeve Included No
    Thru-Wall Installation OptionNo
    Check Filter IndicatorYes
    Intrusion ProtectionNo
    Insect BarrierNo
    Plug Face Type6-30P
    Energy Efficiency Ratio (EER)9.4
    Energy StarNo
  • Product Q&A

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  • Reviews

    View All Comfort-Aire 25000 BTU Window Air Conditioner with Electric Heat (REG-253L) Reviews


    by PowerReviews
    Comfort-Aire 25000 BTU Window Air Conditioner with Electric Heat (REG-253J)

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 2 customers

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    Great product

    By Shalaron

    from Barre, Ma

    About Me Value Oriented

    Verified Buyer


    • Accurate Temperature Controls
    • Cools the Whole Room
    • Even Air Distribution


    • Heavy
    • Loud

    Best Uses

    • Any Room

    Comments about Comfort-Aire 25000 BTU Window Air Conditioner with Electric Heat (REG-253J):

    Great product.

    • Primary use:
    • Personal

    (1 of 1 customers found this review helpful)


    nice product

    By littleleo

    from mo.

    About Me Quality Oriented

    Verified Buyer


    • Accurate Temperature Controls
    • Cools the Whole Room
    • Easy To Install
    • Easy Window Installation
    • Energy Efficient
    • Even Air Distribution
    • Quiet


      Best Uses

      • Any Room

      Comments about Comfort-Aire 25000 BTU Window Air Conditioner with Electric Heat (REG-253J):

      I got two story house and with fans it keeps the house comfortable.

      • Primary use:
      • Personal

      Displaying reviews 1-2

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