Hot water from the cold tap.
We’re moving into summer now and the weather is starting to reach uncomfortable levels. Daytime we’re getting a degree or two either side of 40C (104F) in the shade and nightime down to around 30C (86F). That’s OK but we get high humidity with it, the ‘discomfort factor’, and that’s staring to build too. We had 90% a couple of days ago and that’s really uncomfortable.
Air conditioners are being used much more than a few weeks ago but we save electricity another way…we don’t need to fire-up the water heaters. All you have to do is run the cold tap/faucet until the water in the pipes within the building has run off. As the water from pipes outside, underground, reaches the tap/faucet it comes out hot enough to shower comfortably.
It still seems wierd to me – I’m used to running off cold water until the warm comes through but it’s difficult to adjust to it being the other way around!