You can buy a mobile or freestanding air conditioner (the most affordable begin at ₤ 50 but can reach upwards of ₤ 600), or an evaporative air cooler, that sets you back between ₤ 100 and ₤ 500. http://ironprince.com/__media__/js/netsoltrademark.php?d=setiathome.berkeley.edu%2Fshow_user.php%3Fuserid%3D11873576