Choosing the right electrical panel air conditioner side panels or units can dramatically improve your home’s cooling efficiency, reduce energy costs, and enhance comfort. This article covers top-rated products designed to fit various window air conditioners and portable AC units, focusing on insulation, durability, and ease of installation. The options range from adjustable side panels to complete portable AC units suitable for different room sizes. Below is a summary table highlighting key products reviewed.
Product | Type | Key Feature | Best For |
---|---|---|---|
Frigidaire 18FFRACP01 Side Panels | Adjustable Side Panels | Expandable 7-21 inches wide | Custom window fitting |
LBG Products AC Side Panel Frame Set | Side Panel with Frame | Heat insulation and dust-proof | Most 8000BTU window AC units |
Antarctic Star Portable AC 8,000 BTU | Portable AC Unit | 3-in-1 function: AC, fan, dehumidifier | Rooms up to 350 sq.ft. |
Flehomo Double Layers Window AC Side Panels | Double-layer Insulated Panels | Universal size with enhanced insulation | Window ACs 5000-20000 BTU |
Forestchill Insulated Foam Panel Kit | Foam Insulation Panels | Reduces noise and improves energy efficiency | 5,000 to 22,000 BTU window ACs |
Content Navigation
- Frigidaire Adjustable Air Conditioner Side Panels
- LBG Products Side Panel and Frame Set for Window AC
- Antarctic Star Portable Air Conditioner 8,000 BTU
- Flehomo Double Layer Insulated Window AC Side Panels
- Forestchill Window AC Insulated Foam Panel Kit
- Buying Guide for Electrical Panel Air Conditioner Accessories
Frigidaire Adjustable Air Conditioner Side Panels

The Frigidaire 18FFRACP01 side panels are designed to reduce drafts, dust, and moisture entering through window air conditioners. These panels are flexible, expanding from 7 inches to 21 inches wide, allowing for a custom fit in various window sizes. Their off-white finish blends discreetly with most window frames. Users can trim the height easily using a box cutter or sharp scissors to perfectly fit their windows. This adaptability ensures minimal air leakage and increases the energy efficiency of your cooling unit.
LBG Products Side Panel and Frame Set for Window AC

The LBG Products Window Air Conditioner Side Panel and Frame Set is crafted from high-quality materials offering excellent heat insulation, dust-proof, and wind-proof protection. It is designed to fit most 8000BTU indoor window AC units. The frame dimensions are 12-1/4″ in height and 10-7/8″ in width. This panel set is specifically engineered to provide a snug and airtight seal, enhancing your air conditioner’s efficiency by preventing outside air infiltration and helping maintain a consistent indoor climate.
Antarctic Star Portable Air Conditioner 8,000 BTU

Call 888-896-7031 for Free Local HVAC Quotes – Compare and Save Today!
The Antarctic Star 8,000 BTU Portable Air Conditioner is a versatile cooling solution for spaces up to 350 sq.ft. This portable AC features a 3-in-1 function offering cooling, fan, and dehumidifier modes. Its compact design includes built-in handles and 360° wheels for easy mobility. The unit operates quietly at 55 decibels thanks to inverter technology and comes with a remote control. The portable AC is ideal for rooms without central air, providing rapid temperature reduction with settings between 62ºF and 86ºF.
Flehomo Double Layer Insulated Window AC Side Panels

The Flehomo window air conditioner side panels feature a double-layer design made of durable vinyl, offering superior insulation and noise reduction compared to single-layer panels. These panels prevent cold air leakage in summer and retain warm air during winter, improving energy efficiency. The universal size fits most 5000-20000 BTU window units, accommodating panels up to 17 inches in height and 10 inches in width. This makes them a practical upgrade for enhancing comfort year-round.
Forestchill Window AC Insulated Foam Panel Kit

The Forestchill insulated foam panel kit is designed to fit window air conditioners from 5,000 to 22,000 BTU. Made from durable foam, these panels insulate gaps and help reduce noise and vibration from your appliance. The self-adhesive plastic channels ensure simple installation and leave no residue upon removal. Measuring 17″ x 9″ x 7/8″, this kit enhances energy efficiency by sealing gaps around the air conditioner, keeping your room cooler in summer and warmer in winter.
Buying Guide for Electrical Panel Air Conditioner Accessories
Size Compatibility
Always measure your window or wall space before purchasing panels or insulation kits. Side panels vary widely in width and height, so confirm dimensions and compatibility with your specific AC model, especially BTU rating and unit size.
Call 888-896-7031 for Free Local HVAC Quotes – Compare and Save Today!
Insulation Quality
Look for materials that offer excellent heat insulation to reduce energy loss. Double-layer vinyl, foam with reflective surfaces, or well-sealed frame kits can help retain conditioned air and minimize drafts.
Durability and Weatherproofing
Choose panels made with durable, weather-resistant materials to withstand moisture, dust, and UV exposure. This not only protects your AC unit but prolongs panel longevity.
Ease of Installation
Consider products with adjustable or expandable designs and simple mounting solutions. Features like trim-to-fit capability or self-adhesive strips enable a custom fit with little effort.
Noise Reduction
Certain panels or foam kits include sound dampening properties that reduce operational noise of your air conditioner, enhancing indoor comfort.
Additional Features for Portable ACs
If opting for portable units, look for multi-functional devices offering cooling, fan, and dehumidifier modes with quiet inverter compressors and easy mobility.