[quote]Because that will make the climate colder and better for the dog, even it's warm in the air. [..] here in Norway we can have summer from May and out August[/quote]OK, this is getting silly now. What you call a good summer in Norway, we often experience in winter here in Texas. Consider the summers here similar to ... a Sauna. :lol: Since I have been in both places, the Bahamas as well as Norway, you have to believe me that there is a world of difference between the Gulf region and Scandinavia! You WILL need A/C for a CO to live through the summer in a (sub-)tropical climate.