Although it may not feel like it for most us, Spring has arrived! It won't be long now before the long, cold winter is just a distant memory, and it'll be time to start packing away the winter clothes and looking forward to the warmer months. The arrival of spring not only means we can begin opening the windows of our homes and letting the fresh air in, it also means that, before we know it, the temperatures will be rising again, and that air conditioner you weren’t using for