Finding the right 230 volt air conditioner is essential for effectively cooling and heating medium to large-sized rooms while maintaining energy efficiency. This article reviews some of the top models available on Amazon, focusing on features like cooling capacity, heating functions, noise levels, smart controls, and installation types. Below is a summary table followed by detailed product reviews and a buying guide to help you make an informed choice.
Product | Type | Cooling Capacity (BTU) | Heating | Smart Features | Room Size Coverage |
---|---|---|---|---|---|
LG 18,000 BTU DUAL Inverter Smart Window AC | Window AC | 18,000 | No | Yes (LG ThinQ, Alexa, Google) | Up to 1,000 sq. ft. |
LG 23,000 BTU Window AC with Heat | Window AC | 23,000 | Yes | No | Up to 1,400 sq. ft. |
LG 9,800 BTU Through the Wall AC with Supplemental Heat | Through-the-Wall | 9,800 | Yes | No | Up to 440 sq. ft. |
Whirlpool 12,000 BTU Window AC with Supplemental Heat | Window AC | 12,000 | Yes | No | Up to 550 sq. ft. |
OLMO TTW 12,000 BTU Through-the-Wall AC Cooling Only | Through-the-Wall | 12,000 | No | No | Residential/commercial use |
Content Navigation
- LG 18,000 BTU DUAL Inverter Smart Window Air Conditioner
- LG 23,000 BTU Window Air Conditioner with Heat
- LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat
- Whirlpool 12,000 BTU 230V Window Air Conditioner with Supplemental Heat
- OLMO TTW 12,000 BTU 230V Through-the-Wall Air Conditioner Cooling Only
- Buying Guide For 230 Volt Air Conditioners
LG 18,000 BTU DUAL Inverter Smart Window Air Conditioner

This LG dual inverter window air conditioner operates on 230V and can cool spaces up to 1,000 square feet. It features ultra-quiet operation with sound levels as low as 52dB, making it suitable for bedrooms and living rooms where noise is a concern. The unit supports smartphone control via the LG ThinQ app, allowing remote operation and integration with Amazon Alexa or Google Assistant for voice commands. Certified by ENERGY STAR®, it uses energy-efficient technology to reduce electricity consumption without sacrificing performance.
LG 23,000 BTU Window Air Conditioner with Heat

The LG 23,000 BTU window AC unit offers both cooling and supplemental heating, covering rooms up to 1,400 square feet. It includes multiple fan speeds and heating options to customize comfort in living rooms, dens, and bedrooms. This unit runs quietly with sound levels as low as 50dB in low mode for minimal distraction. Installation is straightforward for window mounting, making it a versatile climate control solution for year-round use.
LG 9,800 BTU Through the Wall Air Conditioner with Supplemental Heat

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This LG through-the-wall unit is designed for smaller spaces up to 440 square feet, ideal for bedrooms or offices. It provides 9,800 BTU cooling and supplemental heating with two fan speeds for both modes. Key user-friendly features include a digital control panel, remote control, 4-way air deflection, filter light reminder, and a washable filter for maintenance convenience. Its 230V operation ensures stable energy supply for efficient performance.
Whirlpool 12,000 BTU 230V Window Air Conditioner with Supplemental Heat

The Whirlpool 12,000 BTU window air conditioner combines cooling and supplemental heat suitable for rooms up to 550 square feet. It features an electronic control panel with three cooling speeds, eco and sleep modes, and a programmable 24-hour timer. Directional louvers allow for flexible airflow control. Installation is simplified thanks to a quick-mount kit designed for windows with a minimum height of 19.5 inches.
OLMO TTW 12,000 BTU 230V Through-the-Wall Air Conditioner Cooling Only

The OLMO TTW 12,000 BTU through-the-wall air conditioner provides efficient cooling only with a BTU capacity suited for residential, commercial, or hotel applications. It runs on 230V and uses the R-32 refrigerant, which is more environmentally friendly. Note that the wall sleeve is not included and must be purchased separately. This unit is designed for straightforward through-the-wall installation, providing a permanent cooling solution without window use.
Buying Guide For 230 Volt Air Conditioners
Choosing the best 230 volt air conditioner depends on multiple factors that affect comfort, efficiency, and installation ease. Consider the following aspects:
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- Cooling and Heating Capacity: Match the BTU rating with the room size to ensure effective temperature control. Larger rooms require units with higher BTUs, generally above 18,000.
- Type of Installation: Window units are easier to install and remove seasonally, whereas through-the-wall units offer a permanent solution without blocking windows.
- Energy Efficiency: Look for ENERGY STAR® certification and inverter technology for models that reduce power consumption without compromising performance.
- Smart Features: Smart controls via apps or voice assistants enhance convenience, allowing remote operation and scheduling.
- Noise Levels: If the unit will be used in bedrooms or quiet spaces, prioritize models with low dB ratings under 55.
- Heating Options: For year-round use, select models with supplemental heating capability, especially in climates with moderate winters.
- Maintenance: Removable and washable filters simplify upkeep, contributing to cleaner air and longer unit lifespan.
- Installation Requirements: Confirm that your electrical setup supports 230V power and check if additional installation accessories like wall sleeves are necessary.
Reviewing these factors will help identify a 230 volt air conditioner that meets your specific space and comfort needs efficiently.