I was impressed by the good reviews of other customers. My experience confirms their positive comments. The company responded quickly to my initial and subsequent enquiries. They delivered more or less within the very quick timetable they proposed for undertaking the survey and installation, and the costings fell more or less within those suggested by their online price calculator. The surveyor was very good at explain how the installation would work and listening to my requirements. Installation was carried out shortly after the payment of the deposit. The engineers who did the installation were friendly, tidy and efficient in their work. The the "air to air" air conditioning (Daikin "Stylish" wall unit) is amazing. Warms a room very quickly with a balanced heat and operates very quietly. I haven't received an electricity bill yet but am expecting (hoping) for a significant reduction on what it would have been otherwise.