Serena Series Multi Zone Mini Split
Explore Serena Series 18,000 BTU dual-zone mini splits for efficient heating and cooling in two rooms with one outdoor unit. Choose from 7K, 9K, and 12K indoor unit pairings with separate temperature settings. Rated at 22 SEER2, these R-32 systems support heating operation down to -13°F. Check each room's heating and cooling needs and the shared outdoor capacity before selecting a combination.
DELLA Serena Series 18000 BTU Dual Zone Mini Split AC (9K + 12K) - Up to 950 Sq.Ft.
- Voltage: 230 Volts
- Refrigerant: R-32
- Seasonal Energy Efficiency Ratio (SEER): 22
$1,939.96
- Unit price
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DELLA Serena Series 18000 BTU Dual Zone Mini Split AC (7K + 7K) - Up to 600 Sq.Ft.
- Voltage: 230 Volts
- Refrigerant: R-32
- Seasonal Energy Efficiency Ratio (SEER): 22
$1,829.96
- Unit price
- /per
DELLA Serena Series 18000 BTU Dual Zone Mini Split AC (7K + 12K) - Up to 850 Sq.Ft.
- Voltage: 230 Volts
- Refrigerant: R-32
- Seasonal Energy Efficiency Ratio (SEER): 22
$1,909.96
- Unit price
- /per
DELLA Serena Series 18000 BTU Dual Zone Mini Split AC (9K + 9K) - Up to 800 Sq.Ft.
- Voltage: 230 Volts
- Refrigerant: R-32
- Seasonal Energy Efficiency Ratio (SEER): 22
$1,889.96
- Unit price
- /per
DELLA Serena Series 18000 BTU Dual Zone Mini Split AC (7K + 9K) - Up to 700 Sq.Ft.
- Voltage: 230 Volts
- Refrigerant: R-32
- Seasonal Energy Efficiency Ratio (SEER): 22
$1,859.96
- Unit price
- /per
DELLA Serena Series 18000 BTU Dual Zone Mini Split AC (12K + 12K) - Up to 1100 Sq.Ft.
- Voltage: 230 Volts
- Refrigerant: R-32
- Seasonal Energy Efficiency Ratio (SEER): 22
$1,989.96
- Unit price
- /per
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FAQS
The Serena Series Multi-Zone uses one 18,000 BTU R-32 outdoor unit with two indoor units sized 7K, 9K, or 12K. Each zone has its own temperature setting, while both share the same heating or cooling mode. These systems are listed at 22 SEER2 and support heating operation down to -13°F. The M-Series indoor units are rated at 22–41 dBA, with Quiet Mode running the fan at its lowest speed. WiFi app and compatible voice control make it easy to adjust comfort in each room.
Yes, if you want efficient heating and cooling in two rooms with one outdoor unit. The Serena 18,000 BTU dual-zone system is rated at 22 SEER2 and 10 HSPF2, making it worth comparing with two separate single-zone systems. Choose the indoor unit pairing based on each room's needs and how often both zones run together. For example, the 12K + 12K combination still shares an 18K outdoor unit. If winter temperatures regularly fall below -13°F, compare Optima Pro Ultra Hyper Heat single-zone systems, rated for heating operation down to -22°F.
