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Horizontal Ducted

Horizontal Ducted Systems

Comfort Without Compromise

Hidden along the ceiling or the floor, a horizontal-ducted system can keep you cozy all year round without comprimising your home’s aesthetics.

Quiet, Efficient Operation You’ll Love

The only thing you’ll notice is how comfortable your home is. Indoor units can operate as low as 90dB(A) – quieter than a human whisper.

Fine-tune Your Comfort

Cool or heat only the spaces you use by using energy where it makes sense-in the rooms you use the most.

Model Heat Cool Remote Whisper Quiet
SEZ-KD09NA4 10,900 Btu/h 8,100 Btu/h Wired
SEZ-KD12NA4 13,600 Btu/h 11,500 Btu/h Wired
SEZ-KD15NA4 18,000 Btu/h 14,100 Btu/h Wired
SEZ-KD18NA4 21,600 Btu/h 21,600 Btu/h Wired
Advanced Filtration

Multi-Stage Allergen Filtration

This model has multi-stage allergen filtration, removing particulates and contaminants from the air with continuous fan operation for better air circulation. The anti-allergen filter traps dust, allergens and other particles to improve indoor air quality.


Remote Control

Models equipped with a wireless remote control are compatible with optional RedLink™ enabled wireless controllers that offer smartphone and tablet control.

Whisper Quiet

Whisper-quiet Operation

This unit is whisper-quiet, so you can enjoy your space without interruption.


This model uses Hyper-Heating INVERTER™ technology to offer exceptional performance down to -13º F outdoor ambient, with 100% heating capacity at 5º F outdoor ambient.

Energy Star Qualified
Quality Work Done Right the First Time!
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