1. Wide compatibility: This large vehicle RV roof air conditioner is suitable for most RVs, light trucks, vans, sedans, commercial vehicles, agricultural vehicles, construction machinery, etc. It is more compatible, easy to install, and provides an ideal air conditioning solution for your RV travel and parking. The total length of the power cord is 19.68 feet. The size of the RV air conditioner is 37.4 inches * 32.87 inches * 5.87 inches. The size of the installation opening needs to be greater than 19.18 inches * 11.25 inches and less than 21.26 inches * 11.25 inches. 2. Cooling and Heating Capacity: This 24V RV roof air conditioner has cooling and heating functions. By adopting intelligent frequency conversion regulation technology, the cooling and heating capacity can be automatically adjusted according to indoor temperature and user needs, making it more energy-efficient. Our air conditioning can quickly cool down your RV in hot summers and provide heating in cold winters. Experience the comfort of a car worry free all year round 3.High performance design: This RV roof mounted air conditioner features a dual fan design and a pure copper motor, which not only provides strong wind power but also is more durable. The device is equipped with a high-performance scroll Compressor and a thick and large aluminum condenser (condenser size 29.53 inches * 13.81 inches * 0.99 inches). Compared with traditional rotary compressors, it has the advantages of more efficient performance, faster cooling speed, lower noise and vibration. The combination of the three not only greatly extends the service life of RV air conditioning, but also improves the efficiency of cooling and heating. 4.Durable and sturdy: The whole machine is made of high-strength ABS material, which is lightweight, tough, and can withstand loads without deformation. It has a good ecological environment and excellent UV resistance, effectively preventing aging caused by sun exposure. 5. Fashionable appearance: The curved design of the chassis is more in line with the body, and the dual fan design has a streamlined and beautiful appearance. The ultra-thin, lightweight, and streamlined design reduces wind resistance. The protection level is much higher than most RV air conditioners on the market, so even in harsh weather or abnormal road conditions, you can still drive confidently and safely. Heating and Cooling Air Conditioning System - This Large Vehicle 24V car air conditioner is suitable for keeping warm in winter and cool in summer all year round. This portable cooling solution can be directly plugged into the vehicle's 24V power outlet, making it an ideal choice for RVs, trucks, vans, and commercial vehicles. The dual fan design of high-power scroll Compressor and ultra large condenser can achieve rapid cooling of the air inside the car360 The air supply system has adjustable outlets and efficient seven blade fans, which can achieve optimal temperature control of the entire space. Lightweight design facilitates installation and disassembly while saving space. Vehicles equipped with sunroofs can be restored to their original state at any time without damage, drilling, or damaging the interior.. This 24V car air conditioner is very suitable for daily commuting and long-distance travel Provide you with a safe quiet and comfortable driving environment