Choosing the best mini split for 1400 sq ft homes requires balancing cooling capacity, energy efficiency, and smart features to maintain year-round comfort. Below is a summary of five top-rated options, highlighting their BTU ratings, SEER ratings, coverage area, and key features to help you find the right mini split system suitable for your space.
| Model | BTU Capacity | SEER Rating | Coverage Area (Sq. Ft.) | Special Features |
|---|---|---|---|---|
| DELLA 27K BTU ODU 2 Dual Zone | 27,000 (Dual Zone: 9,000 + 18,000) | 19 SEER2 | Up to 1400 | Alexa compatible, dual-zone separate control |
| DELLA 18K BTU ODU 2 Dual Zone | 18,000 (Dual Zone: 9,000 + 12,000) | 19 SEER2 | Up to 950 | Alexa compatible, multi-room control |
| DELLA Econo Series 16500 BTU | 16,500 | 17 SEER2 | Up to 1000 | Alexa and WiFi enabled, multiple airflow modes |
| Manastin 12000 BTU Inverter | 12,000 | 19 SEER2 | Up to 750 | Energy-saving, R32 refrigerant, multiple modes |
| COSTWAY 12000 BTU Blast Series | 12,000 | 20 SEER2 | Up to 750 | Quiet operation, inverter technology, 5 modes |
Content Navigation
- DELLA 27K BTU ODU 2 Dual Zone Mini Split AC
- DELLA 18K BTU ODU 2 Dual Zone Mini Split AC
- DELLA Econo Series 16500 BTU Mini Split Air Conditioner
- Manastin 12000 BTU Mini Split Air Conditioner & Heater
- COSTWAY 12000 BTU Mini Split Air Conditioner & Heater
- Buying Guide: Choosing the Right Mini Split for 1400 Sq Ft
DELLA 27K BTU ODU 2 Dual Zone Mini Split AC
This dual zone mini split system by DELLA features 27,000 BTU capacity, ideal for cooling and heating homes up to 1400 sq. ft. It includes two indoor air handlers (9,000 BTU and 18,000 BTU) with separate controllers for independent temperature control per room. The unit operates efficiently with a 19 SEER2 rating and uses advanced DC inverter technology, saving up to 30% power compared to traditional units.
The heat pump supports operation in temperatures as low as -4℉, making it suitable for colder climates. Included are two 16-foot copper pipes and installation kits, simplifying setup. The unit also works with Alexa for voice control, adding smart convenience, though it lacks the self-cleaning function despite the menu option.
DELLA 18K BTU ODU 2 Dual Zone Mini Split AC
Designed for homes up to 950 sq. ft, this dual zone 18,000 BTU mini split system supports two indoor units: 9,000 and 12,000 BTU. It has the same 19 SEER2 efficiency and inverter technology as the larger 27K model. With dual-zone temperature control, it is perfect for managing comfort in separate living spaces or rooms with different cooling needs.
The unit can operate reliably down to -4℉, and comes with a full installation kit, including 16-foot copper piping and drain lines. Alexa compatibility allows for easy voice control, although the self-cleaning feature is not functional despite appearing on the display.
DELLA Econo Series 16500 BTU Mini Split Air Conditioner
This 16,500 BTU air conditioner is designed for spaces up to 1000 sq. ft and balances affordability with performance. Equipped with 17 SEER2 inverter technology and an AHRI certified heat pump working down to 14℉, it delivers up to 30% energy savings. The heat pump handles both cooling and heating efficiently across moderate climates.
Distinctive features include 4D airflow to create optimal air circulation, several operational modes including eco and turbo, and a 24-hour timer for scheduling convenience. The unit also works with Alexa and WiFi for smart home integration, making it versatile for modern homes.
Manastin 12000 BTU Mini Split Air Conditioner & Heater
This 12000 BTU inverter mini split AC offers efficient cooling and heating for rooms up to 750 sq. ft. It features a 19 SEER2 rating and utilizes environmentally friendly R32 refrigerant. The system supports five modes — cooling, heating, auto, fan, and dry — with four fan speeds to tailor comfort precisely to your needs.
Manastin’s unit enhances usability with a 24-hour timer, sleep mode for quiet nights, eco mode to reduce energy consumption, and turbo boost for rapid temperature adjustments. Its inverter-driven compressor maintains consistent performance and energy efficiency year-round.
COSTWAY 12000 BTU Mini Split Air Conditioner & Heater
This 12000 BTU ductless AC unit offers comprehensive year-round temperature control for spaces up to 750 sq. ft. Featuring a 20 SEER2 rating and a high power compressor with a 1-ton heat pump, it uses inverter technology for reduced power cycles, boosting energy savings and equipment longevity.
The unit includes five operation modes — auto, cool, dry, heat, and fan — plus four fan speeds, sleep and eco modes, iFEEL sensor technology, and a turbo function. Remote control access with a programmable timer ensures convenience. Its quiet operation supports peaceful use in bedrooms or living rooms.
Buying Guide: Choosing the Right Mini Split for 1400 Sq Ft
When shopping for a mini split air conditioner for a 1400 sq ft home, consider the following key factors to ensure effective and efficient cooling and heating:
- BTU Capacity: Calculate approximate BTU needs — around 20 BTU per square foot is a general guideline. For 1400 sq ft, a total capacity near 28,000 BTU is ideal, which can be achieved with a dual-zone system or a single large unit.
- Energy Efficiency (SEER Rating): Higher SEER ratings translate to better energy savings. Look for models with SEER 17 or above, as these offer superior efficiency, reducing your utility bills.
- Heat Pump Capability: Ensure the mini split includes a heat pump if you want year-round climate control. Check its operating temperature range to confirm it suits your local winter conditions.
- Number of Zones: Multi-zone units allow independent temperature control in different rooms, enhancing comfort and managing energy use efficiently.
- Smart Features and Controls: WiFi and voice assistant compatibility add convenience. Remote controls, programmable timers, and smart sensors improve usability.
- Installation Kit & Piping Length: Confirm whether the unit comes with necessary copper piping and installation kits. Adequate pipe length is essential for flexible placement of indoor and outdoor units.
- Noise Levels: Consider units designed for quiet operation if you plan to install them in bedrooms or quiet living spaces.
- Refrigerant Type: Modern environmentally friendly refrigerants like R32 offer better efficiency and lower environmental impact compared to older types.
Review specifications carefully to ensure the mini split meets your home size, climate, and comfort requirements while offering energy savings and modern convenience features.