If you are looking to efficiently cool and heat multiple rooms, a 9 zone mini split system offers precise climate control tailored to your needs. These systems provide individual temperature settings for each zone, promoting energy savings and comfort. Below is a comparison of some of the top multi-zone mini split air conditioners available on Amazon, featuring varying capacities, smart controls, and energy-efficient technologies to suit homes and commercial spaces alike.
| Product Name | BTU & Zones | Energy Rating | Smart Features | Link |
|---|---|---|---|---|
| Della ODU Tri 3 Zone Mini Split AC | 27,000 BTU (9K + 9K + 18K) | 19 SEER2 | Alexa, Wifi | View on Amazon |
| ROVSUN 3 Zone 28000 BTU Mini Split AC/Heating | 28,000 BTU (9K + 9K + 9K) | 20 SEER2 | Wifi | View on Amazon |
| Della 36K BTU Quad 4 Zone Mini Split Air Conditioner | 36,000 BTU (9K + 9K + 9K + 18K) | 19 SEER2 | Alexa, Wifi | View on Amazon |
| ROVSUN 28000 BTU Tri Zone WIFI Mini Split AC/Heating | 28,000 BTU (9K + 9K + 12K) | 20 SEER2 | Wifi | View on Amazon |
| TOSOT 36,000BTU Quad 4 Zone Mini Split AC with Heat Pump | 36,000 BTU (9K + 9K + 9K + 9K) | 21 SEER2 | Wifi | View on Amazon |
Della ODU Tri 3 Zone 27K BTU Mini Split AC
This Della 27,000 BTU 3 zone mini split system offers heating and cooling for up to 1800 square feet. It features three indoor air handlers with capacities of 9,000, 9,000, and 18,000 BTU, allowing customized settings per zone. The unit uses advanced DC inverter technology and heat pump operation that works efficiently down to -4℉, promising up to 30% power savings. Installation kits including copper line sets and drain pipes are provided for professional installation.
- Energy efficient cooling with 19 SEER2 rating and ETL & AHRI certification
- Quiet operation at 50 dBa with uniform airflow
- Separate controllers for precise room temperature adjustment
- Supports Alexa and Wifi for smart home integration
- Requires professional installation and line set vacuuming
ROVSUN 3 Zone 28000 BTU Mini Split AC and Heating System
The ROVSUN 28,000 BTU tri-zone mini split is designed to offer both cooling and heating, suitable for a wide range of climates with ambient temperatures from -13℉ to 131℉. Each of the three indoor air handlers delivers 9,000 BTU with independent controllers. This unit integrates features like automatic defrost, self-diagnosis, iFEEL temperature mode, and turbo function.
- High energy efficiency rated at 20 SEER2 with inverter technology
- Multi-mode functions include cool, heat, dehumidify, fan, and turbo
- Supports 24-hour timer, sleep mode, mute mode, and four-direction wind swing
- Pre-charged condenser and 25 ft line set included
- ETL and AHRI certified ensuring compliance and performance
Della 36K BTU Quad 4 Zone Mini Split Air Conditioner
This Della quad zone mini split system delivers 36,000 BTU with four indoor units sized 9,000, 9,000, 9,000, and 18,000 BTU. The system covers up to 2200 square feet and features Alexa and Wifi compatibility. It operates effectively in low temperatures down to 5℉ and provides quiet performance at 50 dBa.
- Multi-zone solution with separate controllers for each room
- Pre-charged heat pump with 19 SEER2 rating
- Includes four copper line sets and installation kits
- Quiet operation and even airflow distribution
- Does not support self-cleaning function despite display option
ROVSUN 28000 BTU Tri Zone WIFI Mini Split AC/Heating System
The ROVSUN 28,000 BTU tri zone mini split air conditioner is an all-in-one solution for homes and businesses requiring three zones of controllable climate. Equipped with indoor units of 9,000, 9,000, and 12,000 BTU, it uses inverter technology and a heat pump capable of functioning down to -13℉ ambient temperature.
- Supports multiple modes: air conditioning, heating, dehumidifying, fan, and turbo speed
- Features self-cleaning, auto defrost, iFEEL sensor mode, timer, and silent operation
- WIFI-enabled for remote smartphone management
- Certified ETL and AHRI for safety and efficiency
- Includes 25 ft pre-charged condenser line set
TOSOT 36,000BTU Quad 4 Zone Mini Split AC with Heat Pump
The TOSOT Cosmo series 36,000 BTU quad zone system contains four 9,000 BTU indoor air handlers with independent temperature controls from 61℉ to 86℉. Rated at 21 SEER2, this energy star-certified unit offers excellent power savings and operates reliably in extreme temperatures ranging from -22℉ to 118℉.
- Each room customizable with distinct modes and temperature
- High efficiency with 10 HSPF2 heating performance
- Intelligent defrost for improved heating in cold climates
- Supports Wifi for smart system controls
- Includes 16ft copper line sets
Buying Guide for 9 Zone Mini Split Air Conditioners
When selecting a 9 zone mini split air conditioning system, consider several factors to optimize performance, comfort, and savings.
BTU Capacity and Zone Coverage
Ensure the system’s total BTU rating matches your combined room area. Each indoor unit should be sized appropriately based on room dimensions and typical heat load.
Energy Efficiency Ratings
Look for SEER2 (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings. Higher numbers mean greater efficiency and lower utility bills. Energy Star certification is a plus.
Smart and Remote Controls
Wifi and compatibility with voice assistants like Alexa allow for convenient control and scheduling, improving user experience and cutting energy waste.
Heating Functionality and Climate Range
If heating is needed, confirm the heat pump’s operational temperature range, especially if you live in colder climates.
Installation Requirements
Professional installation is generally recommended due to refrigerant handling and line set adjustments. Check included installation kits and line set lengths. Longer line sets may require additional adjustments or cost.
Noise Level
Systems designed for quiet operation (around 50 decibels or less) improve comfort, especially in bedrooms or offices.
Warranty and Support
Choose products backed by reputable guarantees and accessible customer service to safeguard your investment.