Mini split air conditioners with heat pump technology offer an energy-efficient solution for cooling and heating individual rooms or small spaces. These ductless systems provide customizable comfort with advanced inverter compressors, multiple operating modes, and smart controls. Below is a summary table highlighting the top 5 mini split AC and heat heat pump units ideal for homes, offices, and more. They come with reliable performance ratings, WiFi compatibility, and installation kits for easier setup.
Product Name | BTU Capacity | Energy Efficiency (SEER2) | Coverage Area | Smart Features |
---|---|---|---|---|
COSTWAY 12000BTU Mini Split Air Conditioner& Heater | 12,000 | 20 SEER2 | Up to 750 Sq. Ft | Remote Control, Timer, ECO Mode |
Wifi Enabled 12,000 BTU Mini Split AC & Heater by hykolity | 12,000 | 19 SEER2 | Up to 750 Sq. Ft | WiFi, 24h Timer, Turbo, Eco Mode |
ROVSUN 9000 BTU Wifi Enabled Mini Split AC & Heater | 9,000 | 19 SEER2 | Up to 400 Sq. Ft | WiFi, Ultra-quiet Operation |
COSTWAY 18k Dual Zone Mini Split AC & Heat Pump | 18,000 (2x 12,000) | 22 SEER2 | Multi-room | WiFi, Auto Swing, Health Functions |
ExploreHorizon 9000 BTU Mini Split AC/Heat Pump | 9,000 | 19 SEER2 | Up to 450 Sq. Ft | WiFi, Alexa Compatible, Self-Cleaning |
COSTWAY 12000BTU Mini Split AC & Heater

This COSTWAY mini split unit combines efficient cooling and heating with a 1-ton heat pump and innovative inverter technology. Certified by AHRI and pre-charged for installation convenience, it cools rooms up to 750 sq. ft. With 5 modes including auto, cool, dry, heat, and fan, plus four fan speeds, it adapts comfortably year-round. Features like the iFEEL sensor and turbo boost enhance user comfort. The remote control offers easy operation with a timer and sleep mode, while low noise levels promote peaceful environments.
Wifi Enabled 12,000 BTU Mini Split AC & Heater by hykolity

The hykolity mini split air conditioner features robust 12,000 BTU capacity with a built-in heat pump for cooling and heating areas up to 750 sq. ft. Offering whisper-quiet operation and smart WiFi control, this ETL and AHRI certified model has an impressive 19 SEER2 efficiency rating. Its inverter technology adapts compressor speed for energy savings of up to 30%. Multiple airflow modes, including 4D airflow and turbo, plus a 24-hour timer and eco options, provide a customizable comfort experience.
ROVSUN 9000 BTU Wifi Enabled Mini Split AC & Heater

This 9000 BTU ROVSUN mini split efficiently cools and heats spaces up to 400 sq. ft. Its inverter technology achieves an outstanding 19 SEER2 rating, saving up to 35% energy by adjusting compressor speed based on indoor temperature. The ultra-quiet design (28dB silent mode) ensures minimal noise disruption. Equipped with a heat pump and dehumidification mode, it is suited for various environments from bedrooms to garages.
COSTWAY 18k Dual Zone Mini Split AC & Heat Pump

This dual-zone COSTWAY mini split features a total of 18,000 BTUs (two 12,000 BTU units), ideal for cooling and heating multiple rooms independently. It operates with an exceptional 22 SEER2 efficiency rating and uses eco-friendly R32 refrigerant. Designed for extreme weather resistance (-13℉ to 125℉), it includes six operating modes and five fan speeds. WiFi compatibility and health-focused features, such as auto swing and air quality enhancements, improve the user experience.
ExploreHorizon 9000 BTU Mini Split AC/Heat Pump

The ExploreHorizon mini split delivers 9000 BTU cooling and heating with a 19 SEER2 rating and smart WiFi connectivity. This 115V unit cools spaces up to 450 sq. ft., operating quietly at 50 dB. It supports Alexa voice commands and includes a remote controller for effortless program scheduling. Features like self-cleaning and auto-defrost technology reduce maintenance and ensure efficient heating, particularly in colder temperatures.
Buying Guide for Mini Split AC and Heat Pump Systems
Choosing the ideal mini split AC and heat pump system involves considering multiple factors to ensure efficient and reliable comfort throughout the year.
Cooling and Heating Capacity (BTU)
Select a unit with sufficient BTU capacity based on the room size. Smaller rooms (up to 400 sq. ft.) can use 9,000 BTU models, while larger areas (up to 750 sq. ft. or more) require 12,000 BTU or dual-zone setups. Oversized or undersized units can result in inefficient performance and higher energy costs.
Energy Efficiency (SEER2 and HSPF Ratings)
Look for high SEER2 (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings, as these indicate superior energy savings. Units with inverter technology optimize compressor speed to reduce electricity use for both cooling and heating.
Installation Requirements
Most mini splits come with installation kits but consider professional vs. DIY installation based on your skills and the unit’s complexity. Some brands offer streamlined self-installation models to reduce setup time and cost.
Operational Modes and Features
- Multiple Modes: Auto, cool, heat, dry, fan, sleep, and eco modes provide versatile comfort options throughout different seasons.
- Fan Speeds and Airflow: Adjustable fan speeds and 4D airflow systems enhance air distribution for even temperature control.
- Timer and Sleep Modes: Programmable timers and sleep functions optimize comfort while minimizing power consumption.
Smart Connectivity
WiFi-enabled units with smartphone apps allow remote control and scheduling. Compatibility with voice assistants like Alexa and Google Assistant adds hands-free convenience.
Noise Levels
Quiet operation is essential, especially for bedrooms or offices. Look for units with noise levels below 50 decibels and vibration-dampening features for a peaceful environment.
Maintenance Ease
Self-cleaning functions and washable filters help maintain air quality and system efficiency. Auto-defrost features in the outdoor unit protect against ice buildup in cold climates.
Refrigerant Type
Modern mini splits use eco-friendly refrigerants like R32, which have a lower global warming potential (GWP) compared to older types, contributing to reduced environmental impact.