Thank you very much for your thorough review.
About the aircon:
You are absolutely right about the a/c - dunno why this item has been checked. This was my mistake, and it has now been corrected. But anyhow, in the text of the description it was always mentionned, that it has no a/c and that it wouldn't be needed because of the house facing north, high ceilings and - as you mention it - the nightly Algarve breeze (which can be rather chilly on the 15°C side in early mornings).
About the WiFi:
I added two hotspots for WiFi which has now a total of three hotspots, and I guarantee at least 4 of 5 signal-bars in every room and terrace.
About the cleanliness:
The lady responsable for cleaning is among other things wet-swiping all floors after/before every customer, and the floor is treated with a buffing machine on a regular basis.
After all I'm very glad to hear, that you and your wife did have a lovely experience. I wish you all the best and once more thank you for your input which is highly appreciated.