This is a brand new, sealed, in box, manufactured in 2013 with full factory warrenty, 5 years on all parts 4 ton 13 SEER central a/cheat pumpsystem4ton heat pump condenser and4 ton air handler for a complete heat pump systemIncludes digital heat pump thermostat and electric back up heatIt is 230 volt/ 1 phase/R-410A unit that works on virtually all residential and most light commercial applications. It has the sturdy, metal box, full metal jacket construction that is important if you live where there is hail, or kids! Weather proof, tough, grey wrinkle finish. Sturdy heavy wire top grill (the kind that are stamped tin are quite flimsy)All copper coils, all brass service valves and caps show quality and durability. Reliable Benchmark compressor with fewer moving parts.Manufactured by Rheem, these are quality units. 32X32 compact footprintIndoor unit has hi-eff epansion valve N coilSlide-in heat kit for back-up heat available in my storeIndoor air handler is multi-position- can go upflow, downflow, or horizontalINSTALLATION AVAILABLE IN THE DALLAS AREAR410A REFRIGERANTPAYMENT INSTRUCTIONSPLEASE CALL ME AT214-557-4906 TO PROCCESS YOUR VISA/MC/DISCOVER CREDIT OF DEBIT CARD,