We are staying in our 6th hotel of this trip right now. And only 50% of these hotels have had air conditioning. This had led to a few restless sleeps where it was simply too hot. In one of our hotels, we had to ask them to bring a fan up to our room. But hey, this is Europe. I'm sure everyone thought we were spoiled North Americans. Interestingly enough, not having AC forces you to be more aware of the environment around you. Very quickly you learn that if you don't shut the blinds or shutters when the afternoon sun is shining in, you are going to end up with a room that is too hot to sleep in. I try to be mindful of this back home in Toronto, where we do have AC, but there really isn't the same imperative to both design and then operate around climate and local conditions. Active mechanical systems do much of this for us.

We just checked into our hotel in Palma and one of the first things I noticed is that as soon as you open any of the windows/doors, the AC automatically turns off. A message on the thermostat then alerts you that it will come back on once you close the windows. I haven't yet figured out how this particular hotel room is sensing that things are open, but it's relatively easy to do this at home through smart thermostats and sensors like these. I make a real concerted effort to do this manually, and so it's great to see it automated in a hotel room, where people are naturally going to care less about wastage. Europe is so far ahead of North America when it comes to energy efficiency.

We spent yesterday and today at the Venice Biennale (both the Giardini and the Arsenale). I really enjoyed it and I’m glad that I was finally able to attend. One of my favorite exhibits was Bahrain’s. It is called “Sweating Assets”, and it’s a demonstration of how air conditioning condensate might be harnessed from the country’s significant cooling infrastructure.

Here’s a video of it in action:

In the middle of the exhibit is a big glass box. This is meant to represent a ubiquitous conditioned space. And as the humid Venice air hits this glass box, condensation is created. This water is then channeled to various soil deposits, where greenery is already starting to grow. And presumably it will continue to grow over the life of the exhibit.

They were careful not to come across as encouraging excessive air conditioning. This was not the point. Instead, the message was: Air conditioning is already an omnipresent necessity in the country, and here is how something that is mostly ignored today — AC condensate — could be turned into a meaningful asset.

I thought it was clever. And they also gave out a nice book for free.