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Friedrich WallMaster WET12A33A

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Model No: WET12A33A

Suggested Retail: $1,469.00

Our Low Price: $1,249.00

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WallMaster ® is your ONLY perfect fit for existing 27" sleeves, including Fedders A and B (requires a baffle kit). Our new 2021 smart models have integrated Wi-Fi control through FriedrichConnect ® , and are also voice compatible. From the durable commercial-grade construction to our QuietMaster ® technology, WallMaster ® is feature-packed. Available in 8,000 - 14,500 Btu/h. Cooling only, heat pumps and cooling + electric heat models.

Quietmaster ® Technology

Engineered for quiet performance with superior components. As much as 45% quieter than competitor's products.

  • Steel inner wall and extra dense insulation blocks outdoor noise
  • Vibration isolating design and components reduce operating noise
  • Precision engineering delivers maximum air flow and air dispersion at low sound levels

  • Smart Wi-Fi Control with Voice Command

    Home or away, you're in control with the FriedrichConnect ® App. Integrated Wi-Fi control from your smartphone and voice command compatible. New intuitive platform. Simplified 7-day programmability. With our advanced grouping program, you can control multiple units to work independently or as a single system. You can even invite other users to manage one or more of your units

    Commercial Grade Quality & Durability

    Each WallMaster ® unit is designed with a rotary compressor to provide quiet, dependable performance. Dense blower insulation blocks outside noise. A premium aluminum exterior grille and impact resistant front cover come standard with each model.

    Comfort & Convenience

    Units are equipped with a three-speed fan, 24-hour timer, and electronic defrost control. Individually adjustable louvers direct airflow to where it's needed most. The unit's Money Saver ® setting cycles the fan with the compressor.

    Earth Friendly

    Friedrich's commitment to environment-friendly cooling is shown in the WallMaster ® . The unit is available in ENERGY STAR ® qualified models and arrives in recyclable packaging.


    WallMaster ® units mount flush with the exterior wall. Firm grip handles on the chassis allow for easy installation and removal from wall sleeve.

    Model WET12A33A
    Energy Star Qualified N
    Operation Cool/Elect. Heat
    Cooling BTU 12000
    Heating BTU 11000
    Voltage 230
    EER 9.6
    CEER 9.5
    Cooling Area (Sq Ft.) 450-550
    Dimensions H" x W" x D" 17 1/4 x 27 1/2 x 23 1/4

    Product Downloads

    FriedrichConnect Wi-Fi Operation Manual Guide Click here to download
    Specifications PDF Click here to download
    WallMaster (R-410A) Service Manual Click here to download
    WallMaster Accessory AG Architectural Grille Manual Click here to download
    WallMaster Accessory BAK Baffle Manual Click here to download
    WallMaster Accessory DK Drain Kit Manual Click here to download
    WallMaster Brochure Click here to download
    WallMaster Brochure Click here to download
    WallMaster Brochure Click here to download
    WallMaster Brochure Click here to download
    WallMaster Brochure Click here to download
    WallMaster Installation & Operation Manual Click here to download
    WallMaster Installation & Operation Manual (English/Spanish/French) Click here to download
    WallMaster WET12A33A Through-the-Wall Energy Guide Click here to download

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