Choosing the right window air conditioner frame kit is essential for maximizing the efficiency and insulation of your AC unit. These kits help fill gaps around your window air conditioner, reducing drafts, dust, and outside noise while keeping cool air inside. Below is a summary of the top 5 window AC frame kits available on Amazon, carefully selected for their adjustability, material quality, and universal fit to various BTU ranges.
| Product | Brand | Fit Range | Material | Adjustability |
|---|---|---|---|---|
| Air Jade Window Air Conditioner Side Panels with Frame | Air Jade | 5,000 to 14,000 BTU | Soft Vinyl | Height up to 17″, width up to 15″ |
| Loviga Portable Air Conditioner Window Kit | Loviga | Universal portable AC size | Waterproof TU fabric | Width 10″ x Length 40-64″ |
| LBG Products Window Air Conditioner Side Panel and Frame Set | LBG Products | Most 8000 BTU units | High-quality material | Fixed size 12-1/4″ H x 10-7/8″ W |
| Soleus Air Sliding Window Kit | Soleus Air | Fits Soleus Air Hybrid AC | Reinforced aluminum and plexiglass | Height 23.5″ to 43″ |
| Mxclimate Window Air Conditioner Side Panels with Frame | Mxclimate | Most 8,000 BTU units | High-quality vinyl | Expandable accordion type |
Content Navigation
- Air Jade Adjustable Window Air Conditioner Side Panels
- Loviga Portable Air Conditioner Window Vent Seal Kit
- LBG Products Window Air Conditioner Side Panel and Frame Set
- Soleus Air Sliding Window Kit for Hybrid AC
- Mxclimate Adjustable Window Air Conditioner Accordion Panels
- Buying Guide for Window Air Conditioner Frame Kits
Air Jade Adjustable Window Air Conditioner Side Panels

The Air Jade Window Air Conditioner Side Panels with Frame offer height adjustment up to 17 inches and extra wide extension of up to 15 inches on each side, making it suitable for most window air conditioners ranging from 5,000 to 14,000 BTU. Constructed with flexible and soft vinyl, these side panels provide excellent insulation against wind and dust. Users can easily cut the panels to the desired height, allowing versatile installation for various window sizes. The material quality ensures durability and effective sealing, enhancing energy efficiency by preventing drafts and outdoor elements from entering through gaps.
Loviga Portable Air Conditioner Window Vent Seal Kit

Designed for portable and dryer air conditioners, the Loviga Window Vent Kit fits horizontal or vertical sliding windows measuring 10 by 40 to 64 inches. Its unique drawstring sealing fabric creates a tight, gap-free seal around exhaust hoses from 1 to 6 inches, preventing indoor cool air loss and blocking outdoor heat, bugs, and rain. Constructed with special waterproof TU fabric treated to reflect sunlight, it improves cooling efficiency and energy savings. The kit replaces conventional zippers with a more reliable and easy-to-install drawstring design complemented by reinforced Velcro and double stitching for durability.
LBG Products Window Air Conditioner Side Panel and Frame Set

The LBG Products Side Panel and Frame Kit is made of high-quality materials offering 80% shading, wind, and dust resistance. It fits most indoor window AC units up to 8,000 BTU with a fixed window frame size of 12-1/4 inches in height by 10-7/8 inches in width. The durable build ensures long-lasting performance. Buyers should measure their window air conditioner to confirm compatibility. The panel’s accordion-style filler enables a snug fit that effectively seals gaps and improves energy conservation by minimizing airflow through window openings.
Soleus Air Sliding Window Kit for Hybrid AC

The Soleus Air Sliding Window Kit is specifically designed for the Soleus Air exclusive hybrid “saddle” air conditioners and fits horizontal sliding windows ranging from 23.5 to 43 inches in height. It features a reinforced aluminum frame and high-quality plexiglass panels that provide both durability and clear outside views while maintaining insulation. Installation requires no drilling and is simple with included screws and foam insulation strips. This product ensures strong airflow sealing and keeps natural light visible, enhancing both comfort and aesthetics in your room.
Mxclimate Adjustable Window Air Conditioner Accordion Panels

The Mxclimate Window Air Conditioner Accordion Filler Kit serves as a replacement for old or broken side panels, effectively sealing your window AC unit from drafts, dust, and moisture. Made from durable vinyl materials, it enhances insulation and helps reduce energy costs by keeping your indoor air well regulated. This accordion-style panel is expandable and fits most 8,000 BTU window units, offering versatility and improved energy efficiency. Its design targets an airtight seal around window installation to maintain indoor comfort during both summer and winter seasons.
Buying Guide for Window Air Conditioner Frame Kits
Choosing the right window air conditioner frame kit involves several important factors to ensure optimal performance and compatibility with your AC unit and window type.
1. Compatibility With AC Unit Size and Window Type
Always verify the BTU rating of your window air conditioner and select a frame kit designed to accommodate that range. Some frames, such as the Air Jade and Wintcomfort kits, cater to wider BTU ranges and adjustable dimensions. Additionally, consider your window style: most kits fit vertical or horizontal sliding windows, but models like Soleus cater strictly to horizontal sliders while others are versatile for both types.
2. Adjustability and Size Range
Look for kits with adjustable height and width to ensure a tight fit within your window opening. Adjustable side panels or accordion fillers allow flexibility to accommodate irregular window dimensions. Kits with fixed sizes may limit your options; therefore, precise measurements of your window and AC unit help avoid incompatibility.
3. Material Quality and Insulation Performance
High-quality materials such as heavy-duty vinyl, reinforced aluminum, plexiglass, and waterproof fabrics improve insulation and durability. These materials reduce drafts, block dust and insects, and help save energy by maintaining indoor temperatures. Soft vinyl panels offer flexibility, while more rigid frames provide structural support.
4. Ease of Installation
Installation should be straightforward, ideally without the need for drilling or special tools. Kits with adjustable frames and simple fastening mechanisms like screws or Velcro strips reduce effort and allow quick setup. Consider whether you need to cut panels for a custom fit and if the product includes installation accessories.
5. Additional Features
- Sealing Mechanisms: Some kits feature drawstrings or accordion panels for gap-free sealing.
- View and Light Retention: Plexiglass inserts allow you to maintain natural light and the outdoor view.
- Weather Resistance: Look for waterproof or UV-reflective fabrics for durability outdoors.
By evaluating these aspects, you can select a window air conditioner frame kit that not only fits perfectly but also maximizes the cooling efficiency and comfort of your space.