Which WiFi Channel Frequency Bands Does WiFi Support?

DELLA supports the 2.4 GHz WiFi channel frequency band only.

How Do I Choose the Right Size for a Mini Split?

The size of the mini split depends on the room's dimensions and specific needs. For example: • A 400-square-foot room typically requires a 9000 BTU mini split. • A 550-square-foot room needs 12000 BTUs. • A 1000-square-foot room needs 18000 BTUs. • A 1500-square-foot room needs 24000 BTUs.

How Do I Install a Mini Split?

We recommend professional HVAC installation for best results, but Della also offers a Rental Kit with the tools needed for vacuuming and installing your mini split.

What's Della Lifetime Coverage Mini Split?

Register within 100 days for lifetime parts coverage. HVAC-licensed installs receive enhanced lifetime parts, while non-licensed installs receive limited lifetime parts. Note: Coverage is for parts only; labor costs are not included.

How Do I Clean and Maintain My Mini Split System?

Seasonally clean the reusable filters, inspect the condenser and evaporator units, and keep the area around the outdoor unit clear.

DELLA Optima CloudAir Series 42000 BTU Tri-Zone Mini Split AC (9K+12K+23K) - Up to 2450 Sq.Ft.

SKU: 048-TLP-MODU-1D5-TPX-T91224

$4,009.96

Unit price: per

Enjoy 15% off automatically at checkout.

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22
Climate Range: -13°F - 131°F

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Air Handler (9K)

Air Handler (12K)

Air Handler (23K)

DELLA Optima CloudAir Series 42000 BTU Tri-Zone Mini Split AC (9K+12K+23K) - Up to 2450 Sq.Ft.

Free & fast shipping

30-day money-back guarantee

Free lifetime coverage

Download Remote Control Manual (New Black) (PDF)

AHRI Certificate

Description

The Optima CloudAir Series 42000 BTU tri-zone mini split AC delivers flexible heating and cooling for three spaces with different comfort needs. Featuring a 9K + 12K + 23K indoor unit setup, this 3-zone ductless mini split heat pump covers up to 2450 sq. ft., with indoor units recommended for up to 400, 550, and 1500 sq. ft., respectively. It is well-suited for combining a compact room, a medium bedroom or office, and a larger living room, studio, basement, or open area under one outdoor condenser. With 22 SEER2 efficiency and DC inverter technology, it helps reduce energy use by up to 40% while providing reliable low-ambient heating down to -13°F. The CloudAir soft airflow system helps prevent harsh direct air and spreads conditioned air more naturally throughout each room. Built-in WiFi, smart geolocation, individual remotes, 24-hour timer, Sleep mode, Eco mode, Turbo function, heating, cooling, and dry modes give each zone precise comfort control.

What's included

Shipping & returns

Lifetime warranty

Tech specs

Download User Manual

Indoor Unit Specs

Unit Dimensions (WxDxH):9K: 32.28" x 12.05" x 7.68" ； 12K: 36.22" x 12.05" x 7.68" ； 24K: 43.18" x 13.07" x 8.74"

Net/Gross Weight:9K: 20.7 / 25.1 ； 12K: 23.1 / 30.9 ； 24K: 30.9 / 35.2

Outdoor Unit Specs

Unit Dimensions (WxDxH):42.28" x 18.43" x 33.58"

Net/Gross Weight:174.2 / 198

System Specs

Voltage:230 Volts

Refrigerant:R454B

SEER2:22

Climate Range:-13°F - 131°F

No.1 Selling Mini Split Brand on Amazon

Optima CloudAir: Cold Weather’s Greatest Rival. Comfort, Reimagined.

Engineered with cutting-edge Hyper Heat technology, the Optima CloudAir mini-split delivers reliable, high-performance heating even when temperatures plummet to -13°F. With an industry-leading 22-24 SEER2 rating and ENERGY STAR® certification, it’s designed to slash your utility bills while keeping your sanctuary cozy year-round.

What sets the CloudAir Series apart is its soft, indirect airflow technology, designed to reduce harsh direct drafts for a gentler, more comfortable cooling experience. Whisper-quiet, smart-connected, and built for the extreme, Optima CloudAir keeps your comfort (and savings) steady year-round.

Top performance, energy smart design

58% more efficient energy savings

Cleaner air, healthier living

Durable design, lasting comfort

6 modes for max comfort

Auto mode

Maintain a comfortable indoor temperature by automatically switching between heating and cooling as needed

Wherever you are

Control your comfort, your way

Set schedules and timers through the Della+ app to match your daily routine.

Which series is right for me?

Model
Efficiency
HSPF2 Rating (Region IV)
Refrigerant
Climate Range
Energy Rebate
Shop Now

- DELLA Optima CloudAir Series 42000 BTU Tri-Zone Mini Split AC (9K+12K+23K) - Up to 2450 Sq.Ft.
- SEER2 22
- 10
- R454B
- -13°F - 131°F
- DELLA Vita Series 42000 BTU Tri-Zone Mini Split AC (9K+12K+24K) - Up to 2450 Sq.Ft.
- SEER2 24
- 10
- R32
- -13°F - 131°F
- Shop Now
- DELLA Vario Series 45000 BTU Tri-Zone Mini Split AC (9K+12K+24k) - Up to 2450 Sq.Ft.
- SEER2 19
- 10
- R454B
- -13°F - 131°F
- Shop Now
- DELLA Optima Series 42000 BTU Tri-Zone Mini Split AC (9K+12K+23k) - Up to 2450 Sq.Ft.
- SEER2 22
- 10
- R454B
- -13°F - 131°F
- Shop Now
- DELLA Optima Pro CloudAir Series 48000 BTU Tri-Zone Mini Split AC (9K+12K+24K) - Up to 2450 Sq.Ft.
- SEER2 24
- 10
- R454B
- -22°F - 131°F
- Shop Now

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