- By: Alina Samarskaya
- Solar PV panels
- Updated: May 19, 2026
21 SEER Air Conditioners
Costway GreyVolt 12k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
Costway Airtural 12k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area750 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
ROVSUN 12k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 230V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
ROVSUN 12k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 115V)
- TypeMini-Splits
- BTU Capacity12000 BTU
- Max. Coverage Area550 sq.ft.
- Tonnage1 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
Costway GreyVolt 18k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1250 sq.ft.
- Tonnage1.5 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
Costway Airtural 18k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity18000 BTU
- Max. Coverage Area1250 sq.ft.
- Tonnage1.5 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
Costway Airtural 24k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
ROVSUN 24k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 230V)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
Costway Airtural 24k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
Costway GreyVolt 24k BTU Mini Split Air Conditioner with Heat Pump (21 SEER2, 208-230V)
- TypeMini-Splits
- BTU Capacity24000 BTU
- Max. Coverage Area1500 sq.ft.
- Tonnage2 Ton
- SEER221.0 SEER2
Delivery on Jun 29 – Jul 02
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