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Della 12K BTU Ceiling Cassette Mini Split – 22 SEER2, -13°F Heat Pump

$1,275.96 on Amazon.com (as of October 19, 2026, 12:34 AM EST) View details ↗

The **Della 12,000 BTU ceiling cassette mini split** delivers powerful, energy-efficient cooling and heating for spaces up to **550 sq. ft.**, making it ideal for offices, retail stores, restaurants, and warehouses. With a **22 SEER2 rating**, this **Energy Star-certified** system ensures **UL/ETL and AHRI compliance**, maximizing efficiency while minimizing energy costs. The **inverter-driven heat pump** operates reliably in extreme cold down to **-13°F (-25°C)**, thanks to a **bottom-mounted heater** that prevents frost buildup—guaranteeing consistent comfort year-round.

Designed for **360° airflow** with **8-way adjustable louvers**, this **ductless system** distributes air evenly, eliminating hot or cold spots in any room layout. Quiet operation at just **32 dB(A)** ensures minimal disruption, while **smart features** like the **Della App, Alexa compatibility, and geolocation control** let you adjust settings remotely—starting the unit automatically before you arrive for optimal comfort. Additional conveniences include a **refrigerant leak sensor, 24-hour timer, multiple fan speeds, sleep mode, and auto-cleaning PureClean technology** to maintain fresh air quality. The **pre-charged 16 ft. copper tube kit** (supports up to 25 ft. without refrigerant adjustment) simplifies installation, though **professional setup is required** for optimal performance.

Cooling Capacity12,000 BTU/h
SEER Rating22 SEER2
Minimum Operating Temperature-13°F (-25°C)
Covered AreaUp to 550 sq. ft.
Installation Kit Length16 ft. copper tube (supports up to 25 ft. without refrigerant adjustment)
Noise Level32 dB(A)
Can this mini split be used in extremely cold climates?
Yes, the Della 12K BTU cassette mini split operates reliably down to **-13°F (-25°C)** thanks to its **bottom-mounted heater** and inverter technology.
Does this unit require professional installation?
Yes, professional installation is **required** to ensure proper setup, including tube purging, vacuuming, and refrigerant adjustment if the kit exceeds 25 ft.
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