MITSUBISHI ELECTRIC AIR SOURCE HEAT PUMP IT IS SECOND HAND ONLY IN USE FOR 6 MONTHS BEFORE THEY SAID IT WAS THE WRONG ITEM AND IT WASNT WORTH THEM TO PICK IT UP SO THEY EFFECTIVELY GAVE OWNERSHIP TO ME. THAT WAS IN 2015. MY INTENTION WAS FIT IT IN MY HOUSE BUT IT WASNT INSULATED ENOUGH AND WOULD NOT DO THE JOB EFFECTIVELY THIS ITEM WILL HEAT A 5 BEDROOM HOUSE WHICH IS WELL INSULATED WITH EASE AND IT WILL WORK EFFICIENTLY TO MINUS 15 C I HAVE FITTED 4 OF THESE AND I HAVE NEVER HAD ANY PROBLEMS IT IS NEW CONDITION AND READY TO GO THE MODEL NO IS [PUZ W85 VHA BS ] AIRTO WATERHEAT PUMP THIS ITEM TODAY WOULD COST UPWARDS OF£10 000 FITTING NOT INCLUDED