The Armstrong Air H4TXV02 3,0-5,0 Ton R410a TXV is a high performance air conditioning unit that is perfect for medium to large spaces. This unit is equipped with a 3,0-5,0 ton rating and is able to provide cooling for up to 500 square feet. The Armstrong Air H4TXV02 3,0-5,0 Ton R410a TXV is also able to provide heating for up to 150 square feet, making it perfect for both indoor and outdoor use. The Armstrong Air H4TXV02 3,0-5,0 Ton R410a TXV is a high performance air conditioning unit that is perfect for medium to large spaces. This unit is equipped with a 3,0-5,0 ton rating and is able to provide cooling for up to 500 square feet. The Armstrong Air H4TXV02 3,0-5,0 Ton R410a TXV is also able to provide heating for up to 150 square feet, making it perfect for both indoor and outdoor use.