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 35000 BTU Dual Zone Mini Split AC (12K+23K) - Up to 2050 Sq.Ft.

SKU: 048-TLP-MODU-1D4-TPX-D1224

$3,214.96

Unit price: per

Limited Offer: Add this system and tower fan to your cart. Get the tower fan for $39.

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22.5
Climate Range: -13°F - 131°F

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Air Handler (12K)

Air Handler (23K)

DELLA Optima CloudAir Series 35000 BTU Dual Zone Mini Split AC (12K+23K) - Up to 2050 Sq.Ft.

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Description

The Optima CloudAir Series 35000 BTU dual zone mini split AC offers soft, efficient climate control for two rooms with a 12K + 23K indoor unit setup. Covering up to 2050 sq. ft., this 2-zone mini split heat pump is well-suited for a medium bedroom, office, or den up to 550 sq. ft. paired with a larger living area, studio, or open room up to 1500 sq. ft. With 22.5 SEER2 efficiency and DC inverter technology, it helps lower power consumption by up to 40% while maintaining reliable heating down to -13°F. CloudAir no-direct-draft cooling spreads airflow more evenly for comfortable sleeping, working, and long-term use without harsh air blowing directly on you. WiFi app control, smart geolocation, separate remotes, 24-hour timer, Sleep mode, Eco energy saving mode, Turbo function, heating, cooling, and dry modes make it easy to adjust each zone independently.

What's included

Shipping & returns

Lifetime warranty

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Tech specs

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Indoor Unit Specs

Unit Dimensions (WxDxH):12K：36.22" x 12.05" x 7.68" ； 23K：43.18" x 13.07" x 8.74"

Net/Gross Weight:12K: 23.1 / 30.9 ; 23K: 30.9 / 35.2 ;

Outdoor Unit Specs

Unit Dimensions (WxDxH):42.25"x18.44"x33.56"

Net/Gross Weight:145.5 / 169.4

System Specs

Voltage:230 Volts

Refrigerant:R454B

SEER2:22.5

Climate Range:-13°F - 131°F

DELLA mini split white wall unit internal

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.

Powered by MightAir X

Top performance, energy smart design

61% more efficient energy savings

Cleaner air, healthier living

Durable design, lasting comfort

Reliable Performance in Extreme Weather

Engineered to deliver dependable heating and cooling through intense summer heat and freezing winter conditions, helping maintain consistent comfort when outdoor temperatures become more demanding.

6 modes for max comfort

Auto mode

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

DELLA mini split air conditioner white Optima

Wherever you are

Control your comfort, your way

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

frequently asked questions.

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