Model #: 3PACH12000

12,000 BTU Window Air Conditioner with Electric Heater

You’re hot, then you’re cold—and this unit gets it, comforting you no matter the weather report. Powerful and efficient, this 12,000 BTU window air conditioner from Perfect AireⓇ also boasts a built-in electric heater to regulate rooms up to 550 square feet. Find your comfort zone the whole calendar year with adjustable temperature settings, full-range air direction control and three fan speeds, all at the touch of a button. Automated modes keep your ideal temperature in check with utmost efficiency when you’re out of the room or sleeping sound.

  • 3-speeds in both cool and fan mode; 1 speed in heat mode
  • Auto, Sleep, Dry and Energy Saver Modes
  • Full function remote control with Follow Me portable thermostat technology for total room coverage
  • Expandable window mounting kit accommodates vertical sliding, double-hung windows with a 27”-36” width and 16½” minimum height

Enjoy the convenience of air and heat at the touch of a button with this Perfect Aire® 12,000 BTU window air conditioner with electric heater.

Follow Me

Remote control with built-in room temperature sensor regulates room temperature around remote — allowing remote to become the thermostat

Auto, Sleep, Dry and Energy-Saver Modes

Provides energy savings and comfort

Spec: 12,000 BTU Window Air Conditioner with Electric Heater, 3PACH12000

Unit Dimensions

  • Depth: 23 in
  • Width: 22.75 in
  • Height: 16.25 in

Package Dimensions

  • Depth: 28.5 in
  • Width: 25 in
  • Height: 17 in


  • Net: 84 lb
  • Gross: 95 lb


  • Sq. ft: 450-550

Heating Capacity

  • BTU: 11,000/8,500

Cooling Capacity

  • BTU: 12,000/11,600

No-Hassle 1-Year Warranty

If a product fails within the first year of purchase due to a defect in materials or workmanship, the customer may return the unit to the store of purchase, along with their original purchase receipt, for an exchange of the same model.

The store will need to call Perfect Aire® at 844-472-2473 and a Customer Service Representative will assist with processing the store credit.

Need An Extended Warranty?

Got a problem? Let us take care of it. Our extended warranties offer great benefits:

  • Replacement Guarantee
  • Up to three years of coverage
  • No hidden fees or deductibles
  • 30 days to purchase coverage

Register Your Product

Fill out our easy online form to register your product with our Customer Service team.

  • Warranty only valid with original proof of purchase

Manual: 12,000 BTU Window Air Conditioner with Electric Heater, 3PACH12000

Spec: 12,000 BTU Window Air Conditioner with Electric Heater, 3PACH12000

Energy Guide Label: 3PACH12000

Room Air Conditioners Catalog

WARNING: Prop 65

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