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Explore the complete DELLA collection, from mini split and central air conditioners to portable ACs, window units, tower fans, accessories, and replacement parts. Find efficient comfort solutions for cooling, heating, airflow, and everyday home comfort.

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Rebates for ZIP
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Rebates for ZIP
DELLA Optima Series 42000 BTU Quad Zone Mini Split AC (9K+9K+18k+18k) - Up to 2800 Sq.Ft.

DELLA Optima Series 42000 BTU Quad Zone Mini Split AC (9K+9K+18k+18k) - Up to 2800 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22

$4,359.96

DELLA Optima Series 42000 BTU Quad Zone Mini Split AC (9K+9K+12k+18k) - Up to 2350 Sq.Ft.

DELLA Optima Series 42000 BTU Quad Zone Mini Split AC (9K+9K+12k+18k) - Up to 2350 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22

$4,269.96

DELLA Optima Series 42000 BTU Quad Zone Mini Split AC (9K+9K+9k+18k) - Up to 2200 Sq.Ft.

DELLA Optima Series 42000 BTU Quad Zone Mini Split AC (9K+9K+9k+18k) - Up to 2200 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22

$4,219.96

DELLA Optima Series 27000 BTU Tri-Zone Mini Split AC (9K+9K+18k) - Up to 1800 Sq.Ft.
DELLA mini split air conditioner wall unit

DELLA Optima Series 27000 BTU Tri-Zone Mini Split AC (9K+9K+18k) - Up to 1800 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 24

$2,824.96

DELLA Optima CloudAir Series 42000 BTU Dual Zone Mini Split AC (18K+23K) - Up to 2500 Sq.Ft.

DELLA Optima CloudAir Series 42000 BTU Dual Zone Mini Split AC (18K+23K) - Up to 2500 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22

$3,754.96

DELLA mini split AC dual zone indoor
DELLA mini split wall unit homeowner support

DELLA Optima Series 35000 BTU Dual Zone Mini Split AC (18K+23K) - Up to 2500 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22.5

$3,304.96

DELLA Optima CloudAir Series 35000 BTU Dual Zone Mini Split AC (18K+18K) - Up to 2000 Sq.Ft.

DELLA Optima CloudAir Series 35000 BTU Dual Zone Mini Split AC (18K+18K) - Up to 2000 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22.5

$3,219.96

DELLA Optima Series 35000 BTU Dual Zone Mini Split AC (12K+18K) - Up to 1550 Sq.Ft.

DELLA Optima Series 35000 BTU Dual Zone Mini Split AC (12K+18K) - Up to 1550 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22.5

$3,129.96

DELLA Optima Series 27000 BTU Dual Zone Mini Split AC (18K+18K) - Up to 2000 Sq.Ft.

DELLA Optima Series 27000 BTU Dual Zone Mini Split AC (18K+18K) - Up to 2000 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 24

$2,619.96

DELLA Optima Series 35000 BTU Quad Zone Mini Split AC (9K+9K+9k+18k) - Up to 2200 Sq.Ft.

DELLA Optima Series 35000 BTU Quad Zone Mini Split AC (9K+9K+9k+18k) - Up to 2200 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22.5

$3,769.96

DELLA Optima Series 42000 BTU Tri-Zone Mini Split AC (12K+18K+18k) - Up to 2550 Sq.Ft.

DELLA Optima Series 42000 BTU Tri-Zone Mini Split AC (12K+18K+18k) - Up to 2550 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22

$4,064.96

DELLA Optima CloudAir Series 42000 BTU Tri-Zone Mini Split AC (12K+12K+18K) - Up to 2100 Sq.Ft.

DELLA Optima CloudAir Series 42000 BTU Tri-Zone Mini Split AC (12K+12K+18K) - Up to 2100 Sq.Ft.

  • Voltage: 230 Volts
  • Refrigerant: R454B
  • SEER2: 22

$3,974.96

Guides for every step of comfort

See all resources
Family room mini split sizing
  • Buyer's Guide

What Size of Mini Split Air Conditioner Do I Need? 2026 Updated

Read article
Mini-Split Indoor Unit Installation
  • Installation & Usage Tips

Cost to Install Mini Split AC System in 2026

Read article

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