And with its 9000 BTU capability, it takes less time to cool a big area, which indicates less energy is utilized. http://Dai.Zyuken.net/school_page/boad/post?name=oliverven&comment=%a7%a1+%a7%d6%a7%eb%a7%d6+%a7%de%a7%e0%a7%d8%a7%df%a7%e0+%a7%e1%a7%e0%a7%e3%a7%de%a7%e0%a7%e4%a7%e2%a7%d6%a7%e4%a7%ee+%a7%d9%a7%d5%a7%d6%a7%e3%a7%ee+https%3a%2f%2fmorrow-hayden-3.blogbright.net%2Fexactly-how-commonly-should-you-service-your-ac-unit&submit=%8f%a7%f7%8f%a2%f0%8f%a2%f0%8f%a7%c7%8f%a7%f8%a7%a2%a7%ae%a7%d5%8f%a2%f0%8f%a2%f1%8f%a2%f0%a7%dd&from=check_thread&school_id=2073401