Window air conditioners often leave gaps that reduce their efficiency, letting in drafts, dust, and moisture. Using side curtains and frame kits designed for window AC units helps seal these gaps, improving insulation and comfort. Here’s a concise comparison of the top-rated window AC side panels and frame kits to help you choose the best fit for your air conditioner.
Product | Fit BTU Range | Material | Width Adjustment |
---|---|---|---|
Mxclimate Window AC Side Panels | 8,000 BTU | High-quality vinyl | Expandable accordion style |
Air Jade Adjustable AC Side Panels with Frame | 5,000 to 14,000 BTU | Soft flexible vinyl | Up to 15″ wide each side |
Pearwow AC Insulation Side Panels Curtain Kit | Most 10,000 BTU units | High-quality insulation material | Fixed size (10-1/8″ W x 14″ H) |
Memrita Window AC Side Panel Frame Set | Most 12,000 BTU units | Vinyl accordion filler | Height adjustable 14″ to 15-1/8″ |
Daisypower Extendable Window AC Side Panels | 5,000 to 22,000 BTU | Thick soft vinyl | Extendable up to 19-1/4″ wide |
Mxclimate Window AC Side Panels With Frame

The Mxclimate Window Air Conditioner Side Panels come with accordion-style frames designed to replace old, cracked side panels. They ensure an effective sealing effect, preventing outside drafts, dust, and moisture from entering your room. Made from high-quality vinyl materials, these panels offer superior insulation to improve energy efficiency. They are built specifically for 8,000 BTU window AC units but can work with other compatible models. This kit is a reliable option for those seeking to extend their window AC’s lifespan with better sealing and insulation.
Air Jade Adjustable AC Side Panels with Frame

Air Jade offers height-adjustable side panels with frame kits that fit most window AC units from 5,000 to 14,000 BTU. Their panels extend up to 15 inches wide on each side, making them ideal for wider windows. Made of flexible, soft vinyl material, they provide excellent insulation against wind and dust. The panels are easy to cut and adjust for the perfect fit, supporting various window sizes. This product appeals to users who require versatile and wider coverage for their window AC units.
Pearwow AC Insulation Side Panels Curtain Kit

The Pearwow Window Air Conditioner Side Panel with Frame features a fixed size of 10-1/8 inches width by 14 inches height, designed for most 10,000 BTU window AC units. Constructed from high-quality materials, these panels offer excellent heat insulation, dustproofing, and windproofing benefits to maintain indoor comfort. Buyers should verify their AC unit size before purchasing this product to ensure compatibility. This kit is best suited for those looking for a reliable, fixed-size side panel replacement.
Memrita Window AC Side Panel Frame Set

Memrita provides a vinyl accordion filler curtain kit designed for most 12,000 BTU window AC units. The panels measure approximately 10-7/8 inches wide by 14 to 15-1/8 inches height, offering adjustable height to fit various models. These side panels feature premium insulation, dustproof, windproof, and shading properties. Their accordion style supports a snug fit and can effectively block outside air intrusion, boosting the efficiency of your air conditioner system.
Daisypower Extendable Window AC Side Panels

Daisypower offers side panels extendable up to 19-1/4 inches wide and 21 inches tall, suitable for a wide range of window AC units from 5,000 to 22,000 BTU. Made from thick, durable soft vinyl, these panels provide excellent insulation and durability for both summer and winter. Installation is user-friendly, allowing quick adjustments and cuts to fit specific window frames. These panels accommodate both “clip-on” and “flat” type window AC designs, making them versatile for many users.
Buying Guide for Window Air Conditioner Side Curtains and Frames
Compatibility With AC Unit Size
One of the most important factors in choosing side curtains and frame kits is their compatibility with your window AC’s BTU rating and physical dimensions. Measure your unit’s width, height, and window opening before selecting to ensure a proper fit and sealing.
Material and Insulation Qualities
Look for materials like vinyl or high-quality foam-covered vinyl that provide excellent insulation, dust resistance, and windproofing. The thickness and flexibility of the material will impact durability and how well it seals gaps around the AC unit.
Adjustability and Size Range
Adjustable panels that can extend in width and height accommodate varying window sizes. Expandable accordion designs allow easier customization, while fixed-size panels suit specific standard dimensions.
Ease of Installation
Kits with clear installation instructions and simple mounting options like clip-on or flat mounts are preferable. Removable and adjustable panels facilitate seasonal use and maintenance.
Durability and Weather Resistance
Panels exposed to outdoor elements should resist sun, rain, and temperature fluctuations. Durable vinyl and reinforced frames last longer and maintain their insulating properties over time.
Additional Features
Some kits offer shading or UV-protective qualities, which can be beneficial in hot climates. Others may improve noise reduction or aesthetics. Evaluate additional benefits based on your needs.