HI I HAVE SOME QUESTIONS, I HAVE AND 5100 BTU WINDOW AIR- CONDITIONER IN MY DINNING ROOM WINDOW ONLY TWO YEARS OLD, IT DOSENT SEEM LIKE ITS DOING ITS JOB THAT WELL THIS YEAR? IS THERE ANY WAY THAT I COULD "MONKEY" AROUND WITH IT OR OPEN IT UP AND MESS WITH THE WIRING SO I COULD GET MORE BTUS OUT OF IT INSTEAD OF 5100, MEANING COULD I CHNAGE IT INTO AND 8000 BTU AIR CONDTIONER EVEN THO ITS AND 5100?