Comfort-Aire PD-121B 12,000 BTU Portable Air Conditioner with Automatic Restart Function
Cools Up to 550 Square Feet and Features Efficient Dual Hose Design for More Cooling


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Comfort-Aire PD-121B 12,000 BTU Portable Air Conditioner
Availability: Discontinued
List Price: $ 1130.99
Price Break: $310.00
Our Price: $820.99

Special Discount:


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Cool large areas up to 550 square feet instantly with the Comfort-Aire PD-121B 12,000 BTU portable air conditioner.  This unit is fully portable and does not require any complicated ductwork or wiring.  The Comfort-Aire PD-121B is perfect for cooling down areas that cannot accommodate traditional central, window or wall units and features electronic controls and wireless remote for easy operation. 

Dual Hoses for More Cooling
The Comfort-Aire PD-121B portable air conditioner is a dual hose system that uses outside air to carry away heat without exhausting cooled air.  This maximizes efficiency and results in more cooling. 

Covers Large Areas
Cool medium to large rooms up to 550 square feet with this 12,000 BTU portable AC. 

Automatic Restart
The Comfort-Aire PD-121B has an automatic restart function that protects the compressor and turns the unit back on after a power outage, making it ideal for use in areas such as computer server rooms. 

Easy Set-Up
This portable air conditioner comes with a sliding window kit that fits a variety of different window sizes.  Installation is easy and takes only a few minutes. 


  • Model: PD-121B
  • Product Type: 12,000 BTU Portable Air Conditioner
  • Product Dimensions: 18.50" x 19.60" x 33.80"
  • Product Weight: 92.50 lbs.
  • Product Color: White
  • Application: Designed for primary, supplementary or spot cooling of individual rooms and areas
  • Type: Portable Air Conditioner
  • Coverage Area: 550 square feet
  • Heater: No
  • Voltage: 115 volts
  • Air Flow: 261 CFM
  • Watts: 950 watts
  • Amps: 10.5 amps
  • Cooling Capacity: 12000 BTUs
  • Frequency: 60 Hz
  • Certifications: UL
  • Dehumidifying Capacity: 101 pints
  • EER: 8.7
  • Heat Pump: No
  • Number of Fan Speeds: 3
  • Programmable Timer: Yes
  • Timer Length: 24 hours
  • Refrigerant Type:
  • Recommended Room Size: 400 - 550 square feet
  • Hose Type: Double
  • Auto-Evaporative System: Yes
  • Fan Only Option: Yes
  • Adjustable Air Louvers: Yes
  • Automatic Air Louvers: No
  • Automatic Restart: Yes
  • Air Filter: Yes
  • Built-In Air Purification System: No
  • Display Type: 1155
  • Remote Control: Yes
  • Designed for Commercial Use: No


  • Covers areas up to 550 square feet
  • Dual hose design results in more efficient cooling
  • Easy to install with the included window kit: no ductwork or wiring required
  • Ideal where temporary or supplementary cooling is needed, or when a traditional AC isn't an option
  • Multi-functional: works as an air conditioner, dehumidifier and fan in one