Best 17 Inch Air Conditioners for Efficient Cooling 2026

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Finding the best 17 inch air conditioner can transform your indoor comfort during hot days. This guide covers effective cooling units suitable for different room sizes and preferences, including window and portable air conditioners. Below is a summary table showcasing top products with their key specs to help you compare efficiently.

Product Type Cooling Capacity (BTU) Coverage Area Special Features
LG 18,000 BTU Dual Inverter Smart Window AC Window AC 18,000 Up to 1,000 sq. ft. Smartphone control, ultra quiet, Energy Star
GE 5,000 BTU Window Air Conditioner Window AC 5,000 Up to 150 sq. ft. Manual fan adjustment, easy install
BLACK+DECKER Smart Portable 14,000 BTU AC Portable AC 14,000 Up to 700 sq. ft. Wi-Fi, remote, dehumidifier
Haikun Upgrade Portable AC Window Vent Kit Accessory N/A N/A Adjustable vent kit for portable AC
LBG Products Window AC Foam Insulation Panels Accessory N/A Fits 5,000 – 22,000 BTU units Energy-saving insulation foam

LG 18,000 BTU Dual Inverter Smart Window Air Conditioner

LG 18,000 BTU DUAL Inverter Smart Window Air Conditioner

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This LG window air conditioner offers 18,000 BTU cooling power capable of cooling rooms up to 1,000 sq. ft., ideal for large bedrooms or living spaces. Featuring the LG ThinQ app, it allows full smartphone control using Google Assistant or Amazon Alexa for convenient operation from anywhere. The unit runs ultra quietly with noise levels as low as 52dB in low mode, making it suitable for bedrooms requiring minimal disturbance. As an Energy Star certified product, it provides energy-efficient performance to help save on electricity bills while delivering powerful cooling.

GE 5,000 BTU Window Air Conditioner for Small Rooms

GE Window Air Conditioner Unit

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The GE 5,000 BTU unit is designed for cooling smaller rooms up to 150 sq. ft., such as bedrooms or offices. It offers manual adjustable fan and cooling settings, allowing users to customize airflow easily. The included install kit simplifies setup, making installation straightforward. Its low noise operation ensures minimal disruption, ideal for quiet environments. This compact and energy-efficient window air conditioner suits users with smaller cooling needs and limited window space.

BLACK+DECKER Smart Portable 14,000 BTU Air Conditioner

BLACK+DECKER Smart Portable Air Conditioner

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This BLACK+DECKER portable AC delivers 14,000 BTU cooling and fits rooms up to 700 sq. ft., ideal for flexible use in homes or apartments. It combines air conditioning, dehumidifying, and fan functions in one unit. Featuring Wi-Fi connectivity and voice control, it works with mobile apps and smart assistants like Alexa and Google Assistant. Included are a full-function remote, top LED control panel, and window kit for easy installation. Its portability makes it convenient for users requiring mobility between rooms.

Haikun Upgrade Portable AC Window Vent Kit

Haikun Upgrade Portable AC Window Vent Kit

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This Haikun window vent kit is designed for portable air conditioners and fits exhaust hoses with a 5.9-inch diameter. The kit adjusts from 17 to 61 inches in length, making it versatile for different window sizes, including sliding windows. Its 6-inch wide vent opening offers better fitment compared to typical 4-inch kits, preventing window frame obstruction. Made from thick PVC, this durable kit supports repeated use and improves the efficiency of portable AC installations by properly sealing exhaust vents.

LBG Products Window Air Conditioner Foam Insulation Panels

LBG Products Window Air Conditioner Foam Insulation Panels

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These LBG foam insulation panels serve as side fillers for window air conditioners ranging from 5,000 to 22,000 BTU. They cover gaps and broken original panels to reduce energy loss by sealing out dust, heat, cold drafts, and insects. The foam also minimizes noise and vibrations from the AC unit, enhancing comfort. Their universal design fits most window units and helps users improve overall insulation efficiency, lowering heating and cooling costs.

Buying Guide for 17 Inch Air Conditioners

Choosing the right 17 inch air conditioner involves several considerations to ensure optimal performance and energy efficiency. Below are key factors to evaluate:

Cooling Capacity and Room Size

Measure your room size to match an air conditioner’s BTU capacity adequately. For example, units with 5,000 BTU suit small rooms up to 150 sq. ft., while 14,000 to 18,000 BTU models cover larger rooms up to 700 or 1,000 sq. ft. Over or under-sizing affects efficiency and comfort.

Type: Window vs. Portable

Window air conditioners install directly in a window and often provide more powerful cooling. Portable units offer mobility and easier installation but require a vent kit to expel hot air outside. Your space and portability needs dictate the best fit.

Energy Efficiency and Certifications

Look for Energy Star certified models that use less electricity while maintaining performance. Inverter technology reduces noise and power consumption by adjusting compressor speed according to cooling demand.

Noise Levels

Consider models with low decibel ratings (e.g., below 55 dB) if noise disturbance is a concern, especially for bedrooms or offices. Features such as sound insulation and sleep modes help minimize operational sound.

Smart Features and Controls

Many modern air conditioners support smartphone apps, voice control via Alexa or Google Assistant, and programmable timers. These features enhance convenience and allow remote operation.

Installation Accessories

Investing in quality window vent kits and foam insulation panels improves cooling efficiency by sealing gaps and properly venting hot air. Adjustable vent kits support various window dimensions and portable AC units.

Maintenance and Filter Cleaning

Choose units with washable filters and easy maintenance designs to extend the lifespan and maintain air quality. Regular cleaning helps the AC operate efficiently and reduces allergens.

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