Mini Splits for 500–1,000 Sq. Ft.
Use 12,000 BTU for one room around 500 sq. ft. Choose 18,000 BTU for a larger open living area up to 1,000 sq. ft. If doors separate the rooms, use individual indoor units instead of relying on one wall unit.
Aire acondicionado minisplit DELLA Optima Plus Series 18000 BTU 23 SEER2 Ultra Hyper Heat - Hasta 1000 pies cuadrados
- Cooling Capacity: 18000
- Heating Capacity: 18000
- SEER2: 23.5
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Rebate available
$1,849.96
- Precio de la unidad
- /Por
Aire acondicionado minisplit DELLA Optima Plus Series 12000 BTU 25 SEER2 Ultra Hyper Heat - Hasta 550 pies cuadrados
- Cooling Capacity: 12000
- Heating Capacity: 12000
- SEER2: 25
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Rebate available
$1,249.96
- Precio de la unidad
- /Por
Aire acondicionado con bomba de calor minisplit DELLA Motto Series de 18 000 BTU y 19 SEER2: hasta 1000 pies cuadrados.
- Cooling Capacity: 12000
- Heating Capacity: 12300
- SEER2: 19
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Rebate available
$749.96
- Precio de la unidad
- /Por
Aire acondicionado con bomba de calor minisplit DELLA Serie Vario de 9000 BTU y 19 SEER2 (R-454B) - Hasta 400 pies cuadrados
- Cooling Capacity: 12000
- Heating Capacity: 12000
- SEER2: 20
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Rebate available
De $749.96
- Precio de la unidad
- /Por
DELLA Optima Series 12000 BTU 24 SEER2 Ultra Heat Mini Split AC - Hasta 550 pies cuadrados
- Cooling Capacity: 12000
- Heating Capacity: 12600
- SEER2: 24
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Rebate available
De $894.96
- Precio de la unidad
- /Por
Bomba de calor minisplit DELLA Umbra Series 12000 BTU 20 SEER2 - Hasta 550 pies cuadrados
- Cooling Capacity: 12000
- Heating Capacity: 12300
- SEER2: 19
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Rebate available
$829.96
- Precio de la unidad
- /Por
Bomba de calor minisplit DELLA Umbra Series 12000 BTU 20 SEER2 - Hasta 550 pies cuadrados
- Cooling Capacity: 12000
- Heating Capacity: 12300
- SEER2: 20
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Rebate available
$859.96
- Precio de la unidad
- /Por
DELLA Optima CloudAir Series 18000 BTU Dual Zone Mini Split AC (9K+9K) - Up to 800 Sq.Ft.
- Voltage: 230 Volts
- Refrigerant: R454B
- SEER2: 24
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Rebate available
$1,989.96
- Precio de la unidad
- /Por
DELLA Optima Pro CloudAir Series 20000 BTU Tri-Zone Mini Split AC (6K+6K+9K) - Up to 1000 Sq.Ft.
- Voltage: 230 Volts
- Refrigerant: R454B
- SEER2: 27
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Rebate available
$2,834.96
- Precio de la unidad
- /Por
DELLA Optima Series 12000 BTU 23 SEER2 Ultra Heat Mini Split AC (R-454B) - Hasta 550 pies cuadrados
- Cooling Capacity: 12000
- Heating Capacity: 12400
- SEER2: 23
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Rebate available
De $914.96
- Precio de la unidad
- /Por
Guides for every step of comfort
- Installation & Usage Tips
Costo de instalación de un sistema de aire acondicionado minisplit en 2025
FAQS
An 18,000 BTU mini split system can be a strong starting point for a 1,000 sq. ft. open area. Insulation, ceiling height, sun exposure, windows, and climate affect the final fit. Separate rooms may need multiple indoor units instead of one larger head.
For one connected room from 500 to 550 sq. ft., start with a 12,000 BTU mini split. Strong afternoon sun, tall ceilings, weak insulation, or a garage-style envelope can increase the load, so confirm unusual spaces with a qualified installer rather than guessing from square footage alone.
One indoor unit works best for one connected air space. Bedrooms with doors, a hallway, and a separate living area benefit from room-by-room control through a multi-zone mini split system or separate single-zone systems.
Start with the number of rooms that need independent comfort. A two-room layout often fits a 2-zone mini split system, while three separate occupied rooms may call for a 3-zone mini split system. Confirm each room’s size before selecting indoor-unit capacity.
One space may have high ceilings, large west-facing windows, weak insulation, or frequent door openings. Another may be shaded, compact, and well insulated. Those conditions change the heat load even when the floor area matches.
