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Whirlpool 12,000 BTU Through-the-Wall Air Conditioner with Heat

Whirlpool 12,000 BTU Through-the-Wall Air Conditioner with Heat

$599
99
Was $739.99
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Product Details

Manufacturer: Whirlpool
Whirlpool Part Numbers: WHAT122-HAW
Item Number: WPL-WHAT122-HAW
UPC: 840148730038
The Whirlpool 12,000 BTU Through-the-Wall Air Conditioner with Heat is a neat way to keep your space comfy all year round. This handy unit helps you chill out during warm spells and adds a bit of warmth when the temperature drops. You can totally dial in your perfect comfort level with its cool 4 operation modes, plus there are handy Eco and Sleep functions to help save energy. Getting the air just right is a breeze thanks to the 8-way directional louvers that let you point the airflow wherever you like. Cleaning is super simple too, with a quick-access filter that slides right out. It even comes with a universal trim kit, making installation in a standard wall sleeve pretty straightforward. This AC unit can handle spaces up to 550 square feet, and it's designed to make managing your indoor climate a lot easier.

Customer Q&A with Product Specialists

Garry W. from NM asked:
Your advertising says it's $550.00 with a discount code. I can't find the discount code.
Your advertising says it's $550.00 with a discount code. I can't find the discount code.
The limited-time discount code is SAVE50. Please enter this code during checkout in the coupon/gift card section. This is a limited-time offer.
Answered by: Aaron D. on Jul 29, 2026

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Joe from asked:
What is the decibel level on high for the 12000 BTU model with heat?
What is the decibel level on high for the 12000 BTU model with heat?
The Whirlpool 12,000 BTU Through-the-Wall Air Conditioner with Heat has an indoor noise level of 61 dBA on the high setting.
Answered by: Tyler M. on Jul 17, 2026

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Ray from Sandown New Hampshire asked:
What is the lowest exterior temperature the air conditioner can effectively operate in, and does it require a wall sleeve?
What is the lowest exterior temperature the air conditioner can effectively operate in, and does it require a wall sleeve?
The Whirlpool 12,000 BTU Through-the-Wall Air Conditioner with Heat is generally efficient for heating down to approximately 30°F to 40°F. Below 32°F, its effectiveness decreases significantly, and the compressor may shut down or limit operation to prevent damage.

Yes, this unit is designed for through-the-wall installation and includes a universal interior trim kit for an existing standard wall sleeve.
Answered by: Sid G. on May 07, 2026

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Customer Reviews

Whirlpool 12,000 BTU Through-the-Wall Air Conditioner with Heat
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
By James G.
Apr 15, 2025

Powerful Cooling & Heating, Quiet Operation

This Whirlpool through-the-wall unit is fantastic! It cools our large space incredibly fast and the added heat function is a great bonus. We're also really impressed with how quiet it runs and the energy efficiency.
5.0
Star - 1 Star - 2 Star - 3 Star - 4 Star - 5
1 Reviews
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