Mini split systems provide efficient heating and cooling for homes and small commercial spaces without the need for extensive ductwork. This guide covers some of the best cheap mini split heating and cooling units available on Amazon, suitable for rooms ranging from 375 to 1500 square feet. Below is a summary table showcasing key features of top picks such as BTU capacity, coverage area, and energy efficiency ratings to help you compare at a glance.
| Product | BTU Capacity | Coverage Area (sq. ft.) | Energy Efficiency | Heating & Cooling |
|---|---|---|---|---|
| MRCOOL 9,000 BTU Mini Split | 9,000 | Up to 375 | Standard | Yes |
| COSTWAY 12,000 BTU Mini Split | 12,000 | Up to 750 | 20 SEER2 | Yes |
| Manastin 12,000 BTU Mini Split | 12,000 | Up to 750 | 19 SEER2 | Yes |
| DELLA Motto Series 18,000 BTU WiFi Mini Split | 18,000 | Up to 1000 | 19 SEER2 | Yes |
| Oylus 12,000 BTU Mini Split AC/Heating System | 12,000 Cooling / 12,500 Heating | Up to 750 | 19 SEER2 | Yes |
Content Navigation
- MRCOOL 9,000 BTU Mini Split Heat Pump System
- COSTWAY 12,000 BTU Mini Split Air Conditioner & Heater
- Manastin 12,000 BTU Mini Split Air Conditioner & Heater
- DELLA Motto Series 18,000 BTU WiFi Enabled Mini Split
- Oylus 12,000 BTU Mini Split AC & Heat Pump System
- Buying Guide For Mini Split Heating And Cooling Systems
MRCOOL 9,000 BTU Mini Split Heat Pump System
The MRCOOL 9,000 BTU ductless mini split system offers reliable temperature control for rooms up to 375 square feet. Its heat pump includes both heating and cooling functionalities, providing all-season comfort. Installation requires an HVAC technician due to the inverter system design. The unit operates on 115 volts and is well-suited for residential or commercial spaces needing efficient climate control in compact areas. Ideal for those seeking a budget-friendly yet versatile mini split system.
COSTWAY 12,000 BTU Mini Split Air Conditioner & Heater
The COSTWAY 12,000 BTU mini split unit efficiently cools and heats rooms up to 750 square feet. It features a high power compressor and 1 ton heat pump with an innovative inverter technology that reduces power consumption by adjusting compressor frequency. Users can choose from 5 modes—auto, cool, dry, heat, and fan—with 4 fan speeds. The remote control includes a smart timer and quiet operation modes for restful sleep. This system combines energy efficiency with versatile comfort functions.
Manastin 12,000 BTU Mini Split Air Conditioner & Heater
Manastin’s 12,000 BTU mini split delivers both cooling and heating capabilities for rooms up to 750 sq. ft. Utilizing R32 refrigerant, it is an eco-friendly choice that supports environmental sustainability. It incorporates several modes including cooling, heating, auto, fan, and dry, plus multiple fan speeds. Energy-saving features include a 24-hour timer, sleep mode, and ECO mode. This unit is designed for efficient year-round comfort with smart inverter technology to maintain consistent indoor temperature.
DELLA Motto Series 18,000 BTU WiFi Enabled Mini Split
The DELLA Motto Series provides powerful heating and cooling for up to 1000 square feet with 18,000 BTUs and 19 SEER2 efficiency. This ductless mini split uses R32 refrigerant and advanced DC inverter technology offering up to 30% energy savings. Features like 4D airflow, smart modes (I feel, eco, sleep), multiple fan speeds, and WiFi-enabled control including Alexa compatibility enhance user convenience. It works effectively even in low temperatures down to 19°F, making it suitable for various climates.
Oylus 12,000 BTU Mini Split AC & Heat Pump System
The Oylus 12,000 BTU mini split system offers efficient cooling up to 12,000 BTU and heating up to 12,500 BTU for spaces as large as 750 square feet. With SEER2 19 efficiency and HSPF 8.5 heating performance, it saves up to 36% energy versus traditional models. The system features smart remote control, a 24-hour timer, and an LED display. Its inverter and heat pump tech deliver balanced comfort year-round while supporting eco-friendly and low-noise operation.
Buying Guide For Mini Split Heating And Cooling Systems
BTU Capacity and Room Size Coverage
When selecting a mini split system, the BTU rating directly relates to the space size it can effectively heat and cool. Smaller rooms require units with lower BTUs (around 9,000 BTUs for up to 375 sq. ft.), while larger rooms may need 12,000 to 18,000 BTU or higher. Accurately measuring the room and matching the BTU rating ensures efficient operation and comfort.
Energy Efficiency Ratings (SEER and HSPF)
Look for units with high SEER (Seasonal Energy Efficiency Ratio) ratings for cooling efficiency and HSPF (Heating Seasonal Performance Factor) for heating. Systems rated 19 SEER or above provide better energy savings, helping reduce electricity bills. Inverter technology also improves performance by adjusting compressor speed.
Heating and Cooling Flexibility
Opt for mini splits that include both heating and cooling functions through a heat pump for year-round climate control. Multi-mode settings such as auto, dry, fan-only, and turbo boost enhance usability across different seasons and humidity levels.
Installation Requirements
Ductless mini splits require professional installation involving refrigerant line connections and electrical wiring. Some brands offer pre-charged lines and complete installation kits to simplify the process. Always consider access to qualified HVAC technicians.
Smart Features and Controls
WiFi-enabled mini splits with remote controls, smartphone apps, and voice assistant compatibility allow convenient operation and scheduling. Timers, sleep modes, and eco settings improve comfort and energy management.
Refrigerant Type and Environmental Impact
Newer refrigerants like R32 provide efficient cooling with lower environmental harm compared to older types such as R410A. Choosing systems with eco-friendly refrigerants supports sustainability without compromising performance.
Noise Levels
Consider units that operate quietly, especially when used in bedrooms or offices. Most mini splits produce noise below 50 decibels, ensuring minimal disruption.
Warranty and Support
Check manufacturer warranties and customer support for peace of mind and assistance in case of any issues during use or installation.