Energy Star

Q: 2. How Much Can I Save on My Electricity Bill with an ENERGY STAR Product?

An air conditioner energy star system is typically more efficient than standard models, which means it can save you a significant amount on your electricity bill over its lifetime. The exact savings depend on your usage habits and local electricity rates.

Q: 3. What Are the Benefits of Choosing an ENERGY STAR Product Besides Saving Money?

Beyond energy savings, an energy star air conditioner often provides more stable temperature control and quieter operation, making it a candidate for the best mini split ac for your home comfort. Additionally, it's more environmentally friendly.

Q: 5. How Do ENERGY STAR Products Contribute to a Healthier Environment?

By consuming less energy, an energy star air conditioner helps reduce greenhouse gas emissions from power generation, directly contributing to a cleaner, healthier environment.

Explore Energy Star mini split systems designed to reduce energy costs while delivering reliable cooling and heating. Perfect for year-round comfort, quiet operation, and everyday energy savings.

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DELLA Optima Series 12000 BTU 24 SEER2 Ultra Heat Mini Split AC - Up to 550 Sq.Ft.

Cooling Capacity: 12000
Heating Capacity: 12600
SEER2: 24

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Starting at $894.96

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DELLA Optima Pro Series 12000 BTU 25 SEER2 Ultra Hyper Heat Mini-Split AC - Up to 550 Sq.Ft.

Cooling Capacity: 12000
Heating Capacity: 12000
SEER2: 25

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$1,249.96

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DELLA Optima Series 9000 BTU 23 SEER2 Ultra Heat Mini Split AC - Up to 400 Sq.Ft.

Cooling Capacity: 9000
Heating Capacity: 10000
SEER2: 23

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Rebate available

Starting at $824.96

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DELLA Optima Series 42000 BTU Five Zone Mini Split AC (9K+9K+9k+12K+12k) - Up to 2300 Sq.Ft.

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22

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$4,524.96

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DELLA Optima Series 42000 BTU Tri-Zone Mini Split AC (9K+23K+23k) - Up to 3400 Sq.Ft.

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22

Rebate available

Rebate available

$4,184.96

Unit price: per

DELLA Optima Series 42000 BTU Tri-Zone Mini Split AC (9K+9K+23k) - Up to 2300 Sq.Ft.

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22

Rebate available

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$3,959.96

Unit price: per

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

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22

Rebate available

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$4,574.96

Unit price: per

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

Rebate available

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$3,304.96

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

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22.5

Rebate available

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$3,219.96

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DELLA Optima Series 42000 BTU Five Zone Mini Split AC (9K+9K+9k+9K+18k) - Up to 2600 Sq.Ft.

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22

Rebate available

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$4,564.96

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DELLA Optima Series 42000 BTU Five Zone Mini Split AC (9K+9K+9k+9K+12k) - Up to 2150 Sq.Ft.

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22

Rebate available

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$4,474.96

Unit price: per

DELLA Optima Series 42000 BTU Five Zone Mini Split AC (9K+9K+9k+9K+9k) - Up to 2000 Sq.Ft.

Voltage: 230 Volts
Refrigerant: R454B
SEER2: 22

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$4,424.96

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Buyer's Guide

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

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Cost to Install Mini Split AC System in 2026

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ENERGY STAR certification means the product meets strict energy efficiency guidelines set by the U.S. Environmental Protection Agency (EPA). An energy star mini split is designed to provide efficient heating and cooling with less energy, lowering your operating costs.

An air conditioner energy star system is typically more efficient than standard models, which means it can save you a significant amount on your electricity bill over its lifetime. The exact savings depend on your usage habits and local electricity rates.

Beyond energy savings, an energy star air conditioner often provides more stable temperature control and quieter operation, making it a candidate for the best mini split ac for your home comfort. Additionally, it's more environmentally friendly.

No, not all of our models are certified. This collection specifically features all products that meet the energy star mini split standard, so you can be confident you're purchasing a certified, high-efficiency unit.

By consuming less energy, an energy star air conditioner helps reduce greenhouse gas emissions from power generation, directly contributing to a cleaner, healthier environment.

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Energy Star

DELLA Optima Series 12000 BTU 24 SEER2 Ultra Heat Mini Split AC - Up to 550 Sq.Ft.

DELLA Optima Pro Series 12000 BTU 25 SEER2 Ultra Hyper Heat Mini-Split AC - Up to 550 Sq.Ft.

DELLA Optima Series 9000 BTU 23 SEER2 Ultra Heat Mini Split AC - Up to 400 Sq.Ft.

DELLA Optima Series 42000 BTU Five Zone Mini Split AC (9K+9K+9k+12K+12k) - Up to 2300 Sq.Ft.

DELLA Optima Series 42000 BTU Tri-Zone Mini Split AC (9K+23K+23k) - Up to 3400 Sq.Ft.

DELLA Optima Series 42000 BTU Tri-Zone Mini Split AC (9K+9K+23k) - Up to 2300 Sq.Ft.

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

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

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

DELLA Optima Series 42000 BTU Five Zone Mini Split AC (9K+9K+9k+9K+18k) - Up to 2600 Sq.Ft.

DELLA Optima Series 42000 BTU Five Zone Mini Split AC (9K+9K+9k+9K+12k) - Up to 2150 Sq.Ft.

DELLA Optima Series 42000 BTU Five Zone Mini Split AC (9K+9K+9k+9K+9k) - Up to 2000 Sq.Ft.

Guides for every step of comfort

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

Cost to Install Mini Split AC System in 2026

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