Install an HVAC system yourself? It sounds impossible, but the 4th Generation MrCool DIY 18k BTU 22 SEER Ductless Heat Pump Mini Split System is made for just that. The system is easily installed without any experience or special tools or equipment. The included air handler is capable of heating or cooling between 750-900 square feet. The included pre-charged 25-foot Quick Connect line set not only makes installation easy, but also safe and cost-saving. The line set is precharged with R-410A refrigerant, a more environmentally friendly and chlorine-free option. Since it is precharged, there is no need for vacuuming. Also included is the DIYPRO cable. With this cable, an electrical conduit is no longer necessary during installation. The DIYPRO cable ensures durability and mechanical protection from animals, yardwork tools, and weather, so you can enjoy the 4th Generation MrCool DIY 18k BTU 22 SEER Ductless Heat Pump Mini Split System for a long time. You have ultimate control of the 4th Generation MrCool DIY 18k BTU 22 SEER Ductless Heat Pump Mini Split System.You can utilize the included remote, the SmartHVAC app on your Apple or Android device, or you can go completely hands free by using your Amazon Alexa or Google Assistant. Live on the coast with corrosive salt water? No worries here. The heat pump has a Gold Fin Condenser that is strong enough to resist corrosion. The innovative technology will give the system a long lifespan no matter what region you reside. You are able to utilize the many modes and functions the 4th Generation MrCool DIY 18k BTU 22 SEER Ductless Heat Pump Mini Split System has to offer in order to create your most desirable environment. With the Timer function, you can limit energy use and save money by allowing the heat or air conditioning to run for a specified amount of time. The Auto mode will allow you to set your preferred temperature and the system will work to maintain it without any further adjustment on your part. After a power outage, the system will automatically return to its previous settings once power is restored. The anti-mildew function prevents the accumulation of mold and mildew by eliminating excess condensation in the air handler. Backed by the best warranty in the industry, the MrCool DIY Ductless Mini Split now boasts a limited lifetime warranty. This is in addition to the standard 7-year compressor warranty and 5-year parts warranty. These warranties provide peace of mind when purchasing. Comes with Line Set Cover Kit.