I had my 3 bed semi fitted with aircon by JUST COOL,Catral 03158 Alicante Tel 900801014 / 902888051.The cost was Euro 2,200 with an exibition discount which if they can charge that for an exibition you should be able to get them to do it any time. The price I was oridinally quoted was Euro 2,500. For this I had an Inverter unit in the living area (essential) and three ordinary units in the bedrooms. All units were daitsu units (a fujitsu) sub company and guaranteed for three years,and include hot and cold operation. little G.