I HAVE BLUE STAR 1.5 TON AIR CONDITIONER VERY USEFULLY FAST COOLING AFTER 10-15 MINUTE MY ROOM WAS VERY COOLED AND BLUE STAR CUSTMER CARE SERVICE IS VERY GOOD ONE DAY I HAVE PROBLEM FOR IN MY PC I CALLED HER AND THEN HE WAS FIXED MY AC PROBLEM VERY GOOD RESPONSE FOR GIVE ME I HAVE FIVE STAR AC ELECTRICITY BILL NO PROBLEM VERY LESSLY USE ELECTRICITY VERY GOOD QUALITY AC I AM SATISFIED FOR MY THIS AC GOOD SERVICE GOOD COOLING RESULTS VALUE OF YOUR MONEY