Refrigerator Water Filters
Free Shipping on Thousands of Products
Award-Winning Customer Service

Comfort-Aire 5,000 BTUH Cooling Only Air Conditioner - RG-51H

Abt Model: RG51H | UPC Code: 855326002852
 Discontinued Product This item is no longer available from our website.
Click the link to view all of our Window Air Conditioners
Energy Star Qualified
Slide-Out Filter/ Environmentally-Friendly Refrigerant R-410A/ 2-Way Adjustable Air Direction/ Dehumidification Mode/ Electro-Mechanical Controls/ Window Mounting Kit/ White Finish
Discontinued (details)
Estimation zip code - 20147 edit
MethodEstimated DeliveryCost
Common CarrierTo be determined$137.50
Common Carrier (White Glove)To be determined$237.50

Product Questions - Ask

Average Customer Reviews

Need it installed? View installation options

Product Details

Energy Star Rated - Yes

Comfort-Aire 5,000 BTUH Cooling Only Air Conditioner - RG51H

Energy efficiency is combined with economical cooling in our compact room air units featuring R-410A. Decorator grilles come in a neutral stone white finish to blend with any decor, while lightweight cabinets are durable galvanized steel. The compact 5,000 BTUH RG-51H air conditioner features a 9.7 EER for outstanding energy savings.


Slide-Out Filter - Easy to remove, front-mounted, slide-out filter is designed to trap dust and other foreign particles, keeping the air cleaner.

Window Mounting Kit - Makes installation fast and easy, providing a perfect fit in double-hung windows. Maximum wall thickness is 5-1/8 inches.

Adjustable Air direction - Two-way adjustable front louver lets you direct the airflow, providing uniform cooling and enhanced comfort.

Controls - Electro-mechanical, seven position control for easy temperature selection.

Dehumidification Mode - Enhances comfort through humidity control, removing 2.1 pints per hour.


AS080 Window A/C Support Brackets (optional) - Manufactured from heavy gauge steel with a baked-on epoxy finish. Stainless steel hardware resists damaging weather. Easy install, complete safety makes it a must. Models: All Comfort-Aire units up to 80 lbs.

Approximate Dimensions:

  • Min. Window Opening: 13"
  • Min. Window Width: 23"
  • Max Window Width: 36"

Approximate Weight:

  • Unit: 40 lbs
Warranty Information:
  • Manufacturer Warranty(authorized online retailer): 1 Year Parts and Labor
Downloadable Resources Get Adobe Reader
More reasons to buy the Comfort-Aire RG-51H from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Comfort-Aire RG-51H is Brand New.
  • The Comfort-Aire RG-51H Ships in a Factory Sealed Box.
Control TypeMechanical
Remote IncludedNo
Parts Warranty1 Year
Labor Warranty1 Year


by PowerReviews
Comfort-Aire 5,000 BTUH Cooling Only Air Conditioner

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top


Excellent purchase to save the day!


from Clarendon Hills, IL.

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

    • Bedroom

    Comments about Comfort-Aire 5,000 BTUH Cooling Only Air Conditioner:

    The product was advertised as easy to install, and I was able to do it myself, a 72 year old lady. Love the air conditioner and all it's easy to use dials.. Cools my bedroom beautifully. Highly recommend it for a single room. [...]

    • Primary use:
    • Personal

    Comment on this reviewHelp Icon

    Comfort-Aire 5,000 BTUH Cooling Only Air Conditioner

    Comfort-Aire 5,000 BTUH Cooling Only Air Conditioner


    Call us
    live chat
    Chat Now