The following guide compares top ductless mini split heat pump systems suitable for year-round heating and cooling. Each selected unit includes inverter technology, heat pump capability, and features for energy efficiency and quiet operation. Use the summary table to match capacity and features to your space before reading individual product sections.
| Product | BTU / Coverage | Key Highlights |
|---|---|---|
| COSTWAY 12000BTU Mini Split (Blast Series) | 12000 BTU / Up To 750 Sq. Ft | Energy Efficient, 5 Modes, Quiet Operation |
| Senville LETO 24000BTU Mini Split | 24000 BTU / 2 Ton Coverage | Alexa Enabled, SEER2 18, Inverter Heat Pump |
| YITAHOME 12000 BTU Mini Split | 12000 BTU / Up To 750 Sq. Ft | WiFi & Alexa Compatible, 20 SEER2, Health Mode |
| Nexaro 18000BTU Mini Split | 18000 BTU / Up To 1250 Sq. Ft | R32 Refrigerant, 19 SEER2, Wide Coverage |
| ROVSUN 9000 BTU Mini Split | 9000 BTU / Up To 400 Sq. Ft | Ultra-Quiet 28 dB, 19 SEER2, High Efficiency |
Content Navigation
- COSTWAY 12000BTU Mini Split Air Conditioner & Heater
- Senville LETO 24000BTU Mini Split Heat Pump
- YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump
- Nexaro 18000BTU Mini Split Air Conditioner Heat Pump
- ROVSUN 9000 BTU Wifi Enabled Mini Split
- Buying Guide: How To Choose A Split Air Conditioner And Heater
- Capacity And Room Size
- Efficiency Ratings And Operating Costs
- Heating Performance And Low-Temperature Operation
- Refrigerant Type And Environmental Impact
- Noise Levels And Indoor Comfort
- Smart Controls And Connectivity
- Installation And Kit Contents
- Certifications And Warranty
- Air Quality Features
- Comparison Perspectives
COSTWAY 12000BTU Mini Split Air Conditioner & Heater
This wall-mounted ductless unit combines cooling and heating via a 1 ton heat pump and inverter compressor. The unit is AHRI certified and designed to provide efficient temperature control for rooms up to 750 sq. ft. Inverter technology reduces on/off cycling to improve efficiency and component lifespan.
Built-in operating modes include auto, cool, dry, heat and fan, plus 4 fan speeds, sleep, ECO, iFEEL and turbo functions. The included remote features a 0.5–24 hour timer and an auto-dimming display to avoid sleep disturbance. The manufacturer emphasizes low-noise operation, making it suitable for bedrooms and living areas.
Senville LETO 24000BTU Mini Split Heat Pump
The Senville LETO Series is a higher-capacity 2-ton inverter mini split with SEER2 18 performance. It integrates Alexa and app control, allowing remote temperature adjustments and scheduling. The system operates as cooling, heat pump, dehumidifier and fan, with a turbo function for rapid temperature change.
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Certified components include UL-listed DC inverter compressors and AHRI certification. The heat pump remains functional at low outdoor temperatures (operational down to about 5°F / -15°C per the listing), making it a practical option for climates with cold winters. The unit targets larger rooms or small multi-room installs when paired with compatible indoor heads.
YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump
YITAHOME offers a 20 SEER2 12000 BTU model with WiFi and Alexa compatibility and an included installation kit. The system claims about 25% energy savings via inverter technology and covers up to 750 sq. ft. ETL and AHRI certifications are noted for reliability and efficiency.
Operational modes include auto/cool/dry/heat/fan, plus sleep, energy-saving, and a HEALTH mode with negative ions, electrostatic dust removal and PM2.5 filtration functions. The unit emphasizes silent performance, reporting noise levels below 41 dB, and supports automatic defrosting and self-diagnosis.
Nexaro 18000BTU Mini Split Air Conditioner Heat Pump
The Nexaro 18000 BTU system targets larger single-zone applications, cooling or heating rooms up to 1250 sq. ft. It features advanced inverter technology, a robust heat pump and a focus on year-round comfort. The unit uses R32 refrigerant, which has a lower global warming potential compared with older refrigerants.
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Functionality includes Cooling, Heating, Auto, Fan, and Dry modes, with 4 fan speeds, 24-hour timer, sleep and Eco modes. Nexaro highlights Turbo Boost for rapid temperature adjustment. The listing notes a pre-charged condenser and an installation kit for professional or semi-professional installs.
ROVSUN 9000 BTU Wifi Enabled Mini Split
ROVSUN’s 9000 BTU model is intended for compact spaces up to 400 sq. ft. It emphasizes ultra-quiet operation, with mute mode noise levels around 28 dB, and a 19 SEER2 rating for energy efficiency. The unit includes a heat pump and effective dehumidification capability.
Features include inverter frequency adjustment to save energy—manufacturer claims up to 35% energy savings via intelligent compressor speed control. The wide temperature range operation (61°F–88°F) and pre-charged condenser with installation kit are useful for straightforward installs in smaller rooms, garages, or offices.
Buying Guide: How To Choose A Split Air Conditioner And Heater
Capacity And Room Size
Match the unit BTU rating to room square footage. Lower BTU units (9000–12000) are suited for bedrooms, living rooms or small open-plan spaces. Mid-range units (12000–18000) cover larger living areas or small multi-room setups. Higher-capacity systems (24000 and above) work for multi-zone or larger rooms when paired with appropriate indoor units.
Efficiency Ratings And Operating Costs
Compare SEER2 or stated energy savings and inverter technology. Higher SEER2 values indicate better seasonal efficiency. Inverter-driven compressors vary speed rather than turning fully on/off, reducing energy spikes and improving comfort control.
Heating Performance And Low-Temperature Operation
Check the heat pump’s low ambient operational limit if you live in cold climates. Some units specify functional operation down to 5°F (or lower). Automatic defrost features help maintain heating performance at low outdoor temperatures.
Refrigerant Type And Environmental Impact
R32 refrigerant is common in newer models and offers a lower global-warming potential than older refrigerants. Confirm refrigerant type for compliance with local service availability and future servicing needs.
Noise Levels And Indoor Comfort
Look for listed indoor noise levels (dB). Bedrooms and media rooms benefit from ultra-quiet units (mid-20s to low-40s dB). Features like sleep mode and auto-dimming displays further reduce nighttime disturbances.
Smart Controls And Connectivity
WiFi, app control and Alexa/Google Assistant compatibility provide remote operation, scheduling and integration with smart home routines. Consider whether you want built-in WiFi or prefer a simple remote control.
Installation And Kit Contents
Confirm whether the system ships with a pre-charged condenser, copper line set, and an installation kit. Pre-charged condensers simplify hookup but professional installation is often recommended for optimal refrigerant handling and warranty compliance.
Certifications And Warranty
AHRI, ETL, or UL listings indicate independent testing and safety compliance. Check warranty terms for compressor and parts coverage; registration requirements may apply.
Air Quality Features
Some units include ionizers, electrostatic dust removal, or PM2.5 filters. If indoor air quality is a priority, prioritize models with explicit filtration or health modes designed to reduce particulates and odors.
Tips for Getting the Best HVAC Prices
- Prioritize Quality Over Cost
The most critical factor in any HVAC project is the quality of the installation. Don’t compromise on contractor expertise just to save money. - Check for Rebates
Always research current rebates and incentives — they can significantly reduce your overall cost. - Compare Multiple Quotes
Request at least three estimates before making your choice. You can click here to get three free quotes from local professionals. These quotes include available rebates and tax credits and automatically exclude unqualified contractors. - Negotiate Smartly
Once you've chosen a contractor, use the proven strategies from our guide — How Homeowners Can Negotiate with HVAC Dealers — to get the best possible final price.
Comparison Perspectives
- For small bedrooms or quiet spaces: prioritize low noise and compact 9000–12000 BTU units with sleep modes.
- For open-plan living or garages: choose 12000–18000 BTU capacity and higher SEER2 ratings for efficiency.
- For cold climates: select systems that list low-temperature heat pump operation and automatic defrost.
- For smart-home integration: select WiFi-enabled or Alexa-compatible models.
- For environmental considerations: prefer units using R32 refrigerant and higher SEER2 ratings.