Friedrich QuietMaster Series KM18L30
17,800 BTU Room Air Conditioner with 4 Cooling Speeds, Mechanical Controls and 400 CFM Room Air Circulation


No Longer Available

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Friedrich air conditioners are a superior product built from high grade materials and components that deliver dependable operation for years after the sale.

Freidrich isolated key components in critical areas and made advancements that not only reduce sound levels, but also improve the quality of the sound. They enhanced the quality and grade of components.

As an industry leading pioneer in energy efficiency, their partnership with the U.S. Department of Energy's Energy Star program was a natural continuation of their devotion to the development of products that conserve energy and help protect our environment. And, by designing energy efficient products, they help save money on your electric bill.

Friedrich air conditions can be found in some of the world's toughest locations. Oil companies rely on them to cool offshore oil rigs in the most extreme conditions, and military bases and government offices all over the world choose Friedrich. Even industrial and high tech leaders like Northrup Grumman, Eastman Chemical and Kennedy Space Center trust Friedrich commercial grade products for their applications. If they can handle all of these jobs, just think how they'll perform for yours.
Energy Info
This air conditioner has an Energy Efficiency Rating of 10.0 and has an estimated yearly operating cost of $142.18.

The estimated yearly operating cost is based on the 2007 national average cost of $.1065 cents per kWh for electricity. Your operating cost will depend on your utility rates and usage.
Dimensions & Weight
Sleeve: M
Height: 17 15/16"
Width: 25 15/16"
Depth w/ Front: 27 3/8"
Depth Hood to Louvers: 8 3/4"
Minimum Extension into Room: 3 1/16"
Minimum Extension Outside: 16 15/16"
Window Width (Min./Max.): 27 7/8" / 42"
Thru-the-Wall Finished Hole - Height: 18 3/16"
Thru-the-Wall Finished Hole - Width: 26 3/16"
Net Weight: 161 lbs.
Cooling Capacity: 17,800/17,600 BTU/h
Heating Capacity Rated: N/A
EER: 10.0/10.0
Moisture Removal: 4.4 Pints/hr
Room Air Circulation: 400 CFM
Sleeve: M
Energy Star Qualified: No
Electrical Characteristics (60 Hertz)
Volts Rated: 230/208
Cooling Amps: 8.1/8.8
Cooling Watts: 1,780/1,760
Heating Amps: N/A
Heating Watts: N/A
Circuit Rating - Breaker or TD Fuse: 250V - 15A
Plug Face(NEMA#): 6-15P
  • Deluxe Features
  • Ultraquiet operation
  • MoneySaver setting saves energy by cycling the fan with the compressor
  • 4 cooling speeds, plus fan-only setting
  • Heat anticipating thermostat
  • 8-way air flow control
  • Fresh air intake and stale air exhaust
  • Rotary controls
  • Slide-out chassis for easy window or wall installation
  • Washable, antimicrobial filter for protection against fungal and bacterial growth
  • Largest capacity AHAM certified unit available
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Quick Specs
Quick Specs


  • Width : 25 15/16 Inch
  • Depth : 27 3/8 Inch
  • Height : 17 15/16 Inch


  • Type : Window / Wall
  • Chassis Type : Slide Out
  • Wall Sleeve Included : Yes
  • Cooling Capacity (BTU) : 17,800 BTU
  • Maximum Cooling Amps : 8.8 Amps
  • Maximum Cooling Watts : 1,780 Watts
  • Heat : No
  • CFM Room Circulation : 400 CFM
  • Energy Efficiency Rating : 10
  • Control Type : Rotary
  • Remote Control Included : No
  • PTAC : No
  • Window Type : Standard

Technical Details

  • Energy Star Rated : No
  • ADA Compliant : No
  • Plug Type : 6-15P
  • Voltage : 230/208 Volts
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