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18 000 Btu Mini Split Comparison - September 2025
| 1 Best Choice  9.9Exceptional | 2  9.8Exceptional | 3  9.6Exceptional | 4  9.4Excellent | 5 Best Value  9.3Excellent | 6  9.1Excellent |
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ModelSenville LETO Series Mini Split Air Conditioner Heat Pump, 18000 BTU 208/230V, Inverter, Works with Alexa, SEER2 19, 1.5 Ton, White | Model DELLA Motto Series 18000 BTU Wifi Enabled Mini Split 19 SEER2 Cools Up to 1000 Sq.Ft, 208-230V, Works with Alexa, Air Conditioner & Heater with Pre-Charged Heat Pump | Model COSTWAY 18000BTU Mini Split Air Conditioner& Heater, 19 SEER2 208-230V Wall-Mounted Ductless AC Unit Cools Rooms up to 1250 Sq. Ft, Energy Efficient Inverter AC w/Heat Pump (Blast Series) | Model Wifi Enabled 18,000 BTU Mini Split Air Conditioner & Heater, 19 SEER2 230V Split AC Unit Ductless Inverter System with Heat Pump, Installation Kits - Cools Rooms up to 1250 Sq.Ft | Model ROVSUN 18000 BTU Wifi Enabled Mini Split Air Conditioner & Heater with Inverter, 21 SEER2 Energy Saving 230V Ductless Split AC Unit with Pre-Charged Condenser, Heat Pump & Installation Kit | Model YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump System, Wifi Enabled 19 SEER2 208-230V Inverter Ductless AC Cool Up to 1250 Sq. Ft, Compatible with Alexa, Complete Installation Kit, White |
Brandsenville | Brand Della | Brand COSTWAY | Brand hykolity | Brand ROVSUN | Brand YITAHOME |
Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews - |
Tech Specs | |||||
voltage220 | voltage 230 Volts | voltage 208 Volts AC | voltage 230 Volts | voltage 230 | voltage 220 Volts |
capacity1.5 Tons | capacity 1.5 Tons | capacity 67.5 Pints | capacity 1.5 Tons | capacity 1.5 Tons | capacity 1.5 Tons |
product dimensions48 x 40 x 40 inches | product dimensions 37 x 12.44 x 8.82 inches | product dimensions 8.5 x 37 x 12 inches | product dimensions 33 x 43 x 53 inches | product dimensions - | product dimensions 8.8 x 37 x 12.4 inches |
customer reviews4.6 4.6 out of 5 stars 6, 181 ratings 4.6 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 315 ratings 4.2 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 440 ratings 4.2 out of 5 stars | customer reviews 5.0 5.0 out of 5 stars 1 rating 5.0 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 277 ratings 4.5 out of 5 stars | customer reviews - |
item weight78.3 pounds | item weight 25.4 pounds | item weight - | item weight - | item weight 99.3 pounds | item weight 26.6 pounds |
floor area1000 Square Feet | floor area 30 Square Feet | floor area 1250 Square Feet | floor area 1250 Square Feet | floor area - | floor area - |
special features- | special features Eco-friendly, Energy Efficient, Strong, Wifi | special features Energy Efficient, Auto Clean, Dehumidifier, Dust Filter, Fast Cooling, Heating And Cooling Function, Inverter Compressor, 4 Way Swing, ECO mode, iFEEL, and turbo function | special features WiFi Enabled | special features Defrost, Wifi | special features - |
installation type- | installation type Split System | installation type Split System | installation type Split System | installation type Split System | installation type - |
brand name- | brand name Della | brand name COSTWAY | brand name Hykolity | brand name ROVSUN | brand name - |
included components16 Ft. Copper Line, Communication Cable, Indoor Air Handler, Outdoor Condenser, Remote Control | included components - | included components 1 x Outdoor Unit/ Indoor /8ft Power Line/13ft Copper Connection Pipe - Air Pipe/13ft Copper Connection Pipe - Liquid Pipe /6.5ft Drain Hose /15ft Communication Wires/1 x Remote Control/Tape/Putty/ Wall Sleeve/ User Guide | included components - | included components - | included components Outdoor unit, indoor unit and mounting accessories |
batteries requiredNo | batteries required No | batteries required - | batteries required - | batteries required - | batteries required No |
color- | color White | color White | color - | color White | color - |
noise- | noise 47 dB | noise 56 dB | noise - | noise 50 dB | noise - |
Available On   | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1senvilleSenville LETO Series Mini Split Air Conditioner Heat Pump, 18000 BTU 208/230V, Inverter, Works with Alexa, SEER2 19, 1.5 Ton, White
Why we love it
Integrates with Alexa for easy control.
Quiet operation enhances comfort.
Energy-efficient, saving up to 40%.
Main highlights- Versatile 4-in-1 Mini Split: All-season solution with air conditioning, heat pump (functional up to 5F/-15C), dehumidifier, fan, and turbo function. Includes a DC Inverter that's UL Listed, AHRI Certified, and works with Alexa.
- Stylish & Functional Mini Split AC: Suitable for both home and business. Provides performance without compromising aesthetics. Ideal for bedrooms, living areas, stores, eateries, and warehouses.
- Installation Package Included: Includes indoor air handler, outdoor condenser, remote control, and installation kit with a 16ft. line set and communication wire. Pre-loaded with refrigerant for up to 25 ft. Note: Professional installation required.
- Alexa Enabled Mini Split AC/Heating System: Integrate with voice control or app, allowing you to adjust your mini split air conditioner from anywhere. Set routines for temperature changes.
- 5 Year Manufacturer's Warranty: Includes 5 years on parts replacement and 5 years on the compressor. Senville offers complimentary technical assistance. Labor not included.
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9.8
2Della
DELLA Motto Series 18000 BTU Wifi Enabled Mini Split 19 SEER2 Cools Up to 1000 Sq.Ft, 208-230V, Works with Alexa, Air Conditioner & Heater with Pre-Charged Heat Pump
Why we love it
Energy-efficient, saves up to 30% power.
Cools and heats up to 1000 Sq. Ft.
Quiet operation at only 47 dB.
Main highlights- [STRONG SYSTEM] This air conditioner is designed with several smart functions that make it easy to use: 4D air flow(up-down left-right), I feel mode, 24 hour timer, sleep mode, eco energy saving mode, multiple fan speeds, turbo function, heating, cooling and dry modes for dehumidifying.
- [SMART SENSOR & INSTALLATION] The unit will sense room temperature at the remote control, instead of at the indoor unit during cooling mode. It then adjusts airflow and temperature accordingly, resulting in the ultimate in personal comfort control and energy savings.Line-set vacuuming is required during installation. Any alteration of line-set length requires adjusting freon levels.This system mandates professional installation – it's not a DIY mini split AC. It Works with Alexa.
- [QUIET OPERATION] This air conditioner is ultra silent at only 47 dBa. The unit provides equal airflow in every part of your room and can adjust to 60-90 degrees Fahrenheit to suit your comforts in just a few minutes.
- [ENERGY EFFICIENT COOLING] This 18000 BTU/h, 19 SEER2, 208-230V, ETL Listed, AHRI Certified pre-charged air conditioner unit features a ductless mini split inverter plus system with a heat pump and DC Inverter technology provides up to 30% power savings. Full 13ft copper line (Standard size 1/4" & 1/2" outer dimension copper pipes) and 6.56ft outlet drain pipe (inner/outer diameter size: 15.5mm/16.9mm) installation kit included. Maximum Fuse Size is 15A.
- [AMPLE COVERAGE] This unit provides cooling and heating for up to 1000 Sq. Ft and able to work in environments as low as 19 degrees Fahrenheit. Filled with the new R32 refrigerant, ensures the best air quality both indoors and outdoors. Competitors use an older refrigerant that is more harmful to the environment. If additional refrigerant needs to be added to the lines, check R32 availability at your local seller.
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9.6
3COSTWAY
COSTWAY 18000BTU Mini Split Air Conditioner& Heater, 19 SEER2 208-230V Wall-Mounted Ductless AC Unit Cools Rooms up to 1250 Sq. Ft, Energy Efficient Inverter AC w/Heat Pump (Blast Series)
Why we love it
Energy-efficient cooling and heating for year-round comfort.
Quiet operation ensures a peaceful environment.
Easy installation with comprehensive support and tools.
Main highlights- [Self Cleaning & Auto Defrost:]Designed with a self-cleaning function at high temperature of 134.6℉ and a washable filter, this split air conditioner can automatically clean its interior. Moreover, the outdoor unit features an auto-defrost function to avoid damage and improve energy efficiency.
- [Energy Efficient Cooling & Heating:]Equipped with a high power compressor and 1.5 ton heat pump, this AHRI Certified pre-charged ac unit allows you to enjoy the convenience of cooling in summer and warming in winter. Besides, with an innovative inverter technology, the air conditioner changes the power supply frequency without frequently turning the compressor on and off, so as to reduce power consumption and prolong the service life of the equipment. GWP of air conditioning refrigerants is 675.
- [Easy Control & Quiet Operation:]The handy remote control enables you to control this mini split AC unit from your comfortable bed or sofa conveniently. The smart 0.5-24 hour timer and low-noise operation ensure a peaceful sleep time. What's more, the display screen on the remote control will be turned off automatically when there is no operation within 10s, which will not disturb your sleep.
- [5 Modes for All-Year Comfort:]This 18000 BTU split-system AC unit has 5 working modes for you to choose from: auto, cool, dry, heat and fan mode. In addition, this split air conditioner also comes with 4 available fan speeds (low/medium/high/auto), sleep mode, ECO mode, iFEEL & turbo function to meet various needs.
- Tips：Pre-charged with the advanced R32 refrigerant, our mini split stands as the premier eco-conscious option. In contrast, competitors rely on outdated refrigerants, which pose greater harm to the environment. Should the need arise to supplement refrigerant levels, kindly inquire about the accessibility of R32 at your nearby vendor.
- COSTWAY's superior quality and design are backed by an industry-leading manufacturer's warranty. This warranty covers 5 years of parts replacement and 8 years of compressor coverage, ensuring customers can rely on our products for years to come. In addition to this, the installation of this equipment should be done only by a Licensed HVAC Installer.
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
