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Friedrich WallMaster Series
9,300 BTU Through the Wall Air Conditioner

9,300 BTU Cooling Capacity 7,300 Heat Pump Capacity R-410A Refrigerant
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Energy Star Rated
Energy Star Rated Energy Star products save energy without sacrificing on performance. They’re great for the environment, and they lower your monthly utility bills. Plus, some customers can receive tax breaks or rebates for buying Energy Star-rated appliances.
quick specs
Width: 26 1/5 Inch
Depth: 21 Inch
Height: 15 3/4 Inch
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Product Information
Brand: Friedrich
Series: WallMaster Series
Model: WY09C33
Width: 26 1/5 Inch
Depth: 21 Inch
Height: 15 3/4 Inch
Type: Wall
Chassis Type: Thru the Wall
Wall Sleeve Included: No
Maximum Cooling Amps: 4.4 Amps
Maximum Cooling Watts: 989 Watts
Heating Capacity (BTU): 7,300 BTU
Maximum Heating Amps: 3.8 Amps
Maximum Heating Watts: 839 Watts
Heat: Heat Pump with Electric Heat Backup
CFM Room Circulation: 250 CFM
Energy Efficiency Rating: 9.4
Control Type: Digital
Remote Control Included: Yes
Technical Details
Energy Star Rated: Yes
ADA Compliant: No
Plug Type: 6-20P
Voltage: 230/208 Volts
UPC: 724587426601

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From the Manufacturer

Since its founding in 1883, Friedrich Air Conditioning Co. has had one manufacturing standard - quality without compromise. Over the years, the company's products have changed, but the commitment to quality has endured.

Today, the fundamental direction of Friedrich is to be the top manufacturer of specialty air treatment products for the worldwide market. Moving the company forward are dedicated employees who are committed to excellence and have a passion to succeed. Friedrich is a company that is respected for a high degree of integrity and professionalism, as well as being recognized as the best in the business. The Friedrich name is synonymous with quality... shaped by the spirit that launched this company over a century ago. Available at AJ Madison.

Friedrich is known for manufacturing some of the world's most durable air conditioners. You won't believe some of the places you'll find them. Friedrich air conditioners are made from higher grade materials and components that delivery dependable operation for years. But don't take their word for it. Some of their customers are business that operate in harsh environments where equipment just has to work. Period. Oil companies rely on them to cool offshort oil rigs, and they can be found on military bases and in government offices all over the world. Friedrich air conditioners are in use at Northrop Grumman, Eastman Chemical and the Kennedy Space Center, just to name a few. If they can handle their jobs, just think how well they will perform in your home.
  • Energy Info
  • Specifications
  • Features
  • Reviews

Energy Info

This air conditioner has an Energy Efficiency Rating of 9.4 and has an estimated yearly operating cost of $82.29.

The estimated yearly operating cost is based on the 2011 national average cost of $.1109 cents per kWh for electricity and an estimated number of operating hours of 750 hours. Your operating cost will depend on your utility rates and usage.


Sleeve/Chassis Dimensions
WSD Sleeve Width:  
WSD Sleeve Depth:  
16 3/4"
WSD Sleeve Depth with Front:  
WSD Sleeve Height:  
16 3/4"
Chassis Width:  
26 1/2"
Chassis Depth:  
Chassis Height:  
15 3/4"
Min. Extension Into Room:  
7 1/2"
Min. Extension Outside:  
Finished Hole Width:  
27 1/4"
Finished Hole Max. Depth:  
15 5/16"
Finished Hole Height:  
17 1/4"
Energy Star Qualified:  
Cooling Capacity:  
9,300/9,000 BTU
Heating Capacity:  
7,300/7,300 BTU
Volts Rated:  
Cooling Amps:  
Cooling Watts:  
Heating Amps:  
Heating Watts:  
Moisture Removal:  
2.1 Pints/Hour
Room Side Air Circulation:  
250 CFM
Net Weight:  
103 lbs.
Plug Face:  
Circuit Breaker Rating:  
Power Cord Length:  
4 ft.


  • Environmentally friendly R-410A refrigerant used in all models
  • Commercial Grade Thru-the-wall Electric Heat models mount flush with exterior walls to create a sleek appearance and unobstructed window views.
  • May be installed almost anywhere on a wall for optimal placement.
  • Solid side chassis allows for installation into thicker walls than standard room air conditioners.
  • Exact fit for Fedders A sleeves. Fits Fedders B sleeves with kit.
  • The most Energy Efficient Solid-side Air Conditioner available
  • MoneySaver setting saves energy by turning the fan on and off with the compressor
  • The Smart Fan feature adjusts the fan speed to maintain the desired temperature
  • Easy-to-clean filter
  • 3 Speed Fan
  • Auto memory backup
  • Easy-to-reach top-mounted controls
  • Sleeves sold and shipped separately
WallMaster Heat Pump Heating Performance:
  • Change-over from heat pump operation to resistance operation on models indicated is automatic at a preset outside ambient temperature of approximately 35°F.
  • Calculate the heat loss of the space to be heated.
  • As long as the heat loss does not exceed the resistance heating capacity rating of the unit, the heating performance will be satisfactory.
  • Note: all models will produce condensate. If condensate disposal is desired, an optional drain kit is available.
Defrost Control:
  • Initiated at 20°F (outdoor coil temperature) and terminated at 43°F (outdoor coil temperature).
  • During defrost, the compressor stops and the electric heat starts, then operates with the fan to maintain indoor comfort.
  • Below 43°F, the unit remains in electric heat mode.
  • During electric heat mode, the unit will achieve the following ratings: 11000/9100 BTU/h, 16.0/14.7 amps, and 3550/2950 watts.
Defrost Drain:
  • Drain automatically opens at approximately 50°F to prevent condensate from freezing inside drain pan.

Friedrich WallMaster Series WY09C33 Reviews