If you’re looking to efficiently cool or heat a medium to large room, an 18,000 BTU mini split air conditioner is an excellent choice. These ductless inverter systems deliver powerful temperature control, energy savings, and easy installation options. In this article, we review some of the best 18000 BTU mini split units with smart technology, heat pumps, and comprehensive installation kits. Our summary table highlights key features of top picks for rooms ranging from 800 to 1250 square feet.
| Product | Brand | Coverage Area | SEER2 Rating | Heating Capability | Smart Features |
|---|---|---|---|---|---|
| Wifi Enabled 18,000 BTU Mini Split AC & Heater | hykolity | Up to 1250 Sq.Ft | 19 SEER2 | 1.5 Ton Heat Pump | WiFi, Remote Control |
| DELLA Vario Series 18000 BTU Wifi Mini Split AC | Della | Up to 1000 Sq.Ft | 19 SEER2 | 1.5 Ton Heat Pump, -4℉ Operation | Alexa, WiFi |
| YITAHOME 18000 BTU Mini Split AC Heat Pump | YITAHOME | Up to 1250 Sq.Ft | 19 SEER2 | Heat Pump | WiFi, Alexa Compatible |
| Senville LETO Series 18000 BTU Mini Split | senville | Varied – Suitable for Home & Business | 19 SEER2 | Heat Pump, Dehumidifier | Alexa |
| DELLA Motto Series 18000 BTU Wifi Mini Split AC | Della | Up to 1000 Sq.Ft | 19 SEER2 | Heat Pump | Alexa, WiFi |
Content Navigation
- Wifi Enabled 18,000 BTU Mini Split AC & Heater – hykolity
- DELLA Vario Series 18000 BTU Wifi Mini Split AC – Della
- YITAHOME 18000 BTU Mini Split Air Conditioner & Heat Pump
- Senville LETO Series 18000 BTU Mini Split Heat Pump
- DELLA Motto Series 18000 BTU WiFi Mini Split AC & Heater
- Buying Guide for 18000 BTU Mini Split Systems
Wifi Enabled 18,000 BTU Mini Split AC & Heater – hykolity
The hykolity 18000 BTU mini split offers both cooling and heating with a powerful compressor and a 1.5 ton built-in heat pump. It covers areas up to 1250 square feet and supports temperature control from 61℉ to 88℉. Energy efficiency is a highlight with a 19 SEER2 rating and variable frequency technology that provides up to 30% energy savings. This model comes with a complete accessory kit including indoor fan coil, outdoor condenser, wireless remote, line set, installation accessories, and vibration absorber feet, making setup easier when professionally installed. Its automatic defrost function helps maintain efficiency and extend lifespan.
DELLA Vario Series 18000 BTU Wifi Mini Split AC – Della
This DELLA Vario Series 18000 BTU mini split AC is perfect for rooms up to 1000 square feet. It features a 19 SEER2 rating and operates efficiently in temperatures as low as -4℉ thanks to its advanced heat pump. The unit includes a full installation kit with copper pipes and a long drain pipe for convenience. Multiple smart functions include 4D airflow, sleep mode, turbo, eco-saving mode, and voice compatibility with Alexa. Its energy-efficient inverter technology helps users save up to 30% on power bills.
YITAHOME 18000 BTU Mini Split Air Conditioner & Heat Pump
The YITAHOME 18000 BTU mini split efficiently cools and heats up to 1250 square feet. Certified by ETL and AHRI, it features inverter technology for around 25% energy savings. The unit offers five operation modes — auto, cool, dry, heat, and fan — and integrates with WiFi and Alexa for smart control. The system boasts a quiet operation under 47 decibels, ideal for bedrooms or living spaces. Advanced functions like negative ion purification and PM2.5 removal contribute to healthier indoor air quality.
Senville LETO Series 18000 BTU Mini Split Heat Pump
The Senville LETO Series is a versatile 4-in-1 mini split system with cooling, heating, dehumidifying, and fan functions. Designed for both residential and commercial use, it supports environments as cold as 5°F and includes turbo and DC inverter technology. This model works with Alexa, offering voice control convenience. It’s AHRI certified and delivers a stylish yet functional solution for bedrooms, stores, or small warehouses with its 18000 BTU cooling capacity.
DELLA Motto Series 18000 BTU WiFi Mini Split AC & Heater
The DELLA Motto Series 18000 BTU mini split combines energy efficiency, smart connectivity, and environmental responsibility. It uses eco-friendly R32 refrigerant and offers a full installation kit with copper piping and drainage solutions. This unit cools and heats for spaces up to 1000 square feet and includes multiple fan speeds, 4D airflow, sleep mode, and a 24-hour timer. Voice control via Alexa enhances user convenience, making it ideal for smart homes focused on sustainability and comfort.
Buying Guide for 18000 BTU Mini Split Systems
1. Cooling and Heating Capacity
Choose a unit with reliable BTU capacity matching your room size. 18000 BTU models generally cover 800 to 1250 square feet. Ensure the heat pump rating supports your local temperature extremes, especially for colder climates.
2. Energy Efficiency Ratings
Look for SEER2 ratings around 19 or higher for efficient performance. Systems with inverter technology modulate compressor speed to save power and maintain consistent temperature. Additional ratings like HSPF gauge heating efficiency.
3. Smart Features
WiFi connectivity and voice control compatibility (Alexa, Google Assistant) add convenience for adjusting settings remotely. Smart thermostats, timers, and energy-saving modes enhance usability and reduce bills.
4. Installation Kit and Accessories
Many models come with pre-charged refrigerant lines, drain pipes, remotes, and mounting hardware to simplify professional or DIY installation. Verify the included pipe lengths suit your setup, and consider requiring professional installation for warranty and optimal performance.
5. Noise Levels
Quiet operation is important in living and sleeping areas. Models with noise levels under 50 decibels provide minimal disturbance. Check if the manufacturer quantifies sound pressure levels for indoor units.
6. Air Quality Features
Some mini splits include air purifying functions like ionizers and PM2.5 filters. These improve indoor air quality, especially in urban or polluted environments.
7. Refrigerant Type
Select models using eco-friendly refrigerants like R32 to reduce environmental impact and comply with regulations. Avoid outdated refrigerants harmful to the ozone layer.