Anybody who has visited the Philippines probably knows about “on demand” hot water, but perhaps you haven’t thought about it much. In these days when people are trying to conserve energy, and a lot of people are going “green” it would seem to me that “on demand” hot water makes sense in many ways.
I don’t know about the rest of the world, but in the States people don’t use the “on demand” type of system for hot water. In the USA they have what they call “hot water heaters” which are basically big tanks that hold maybe 100 or more gallons of water. The water is heated and stored in the tank. So, whether you are using hot water or not, even if you are out of town for a week, the water is heated and kept hot in the tank. Now, to conserve electricity, people wrap these tanks with fiberglass insulation and do other things to save money and power. But, when I think about it, this is just so inefficient compared to the systems they use here in the Philippines. Also, if you have a big house, it can take some time for the hot water to flow from the tank (usually stored in the garage, basement, etc.) all the way to where your shower is located. And, when you finish the shower, all that water in the hot water pipe is basically going to waste and will turn cool before it is used again. Quite inefficient. Maybe other parts of the world don’t use those kind of water heater systems like they do in the States, but I don’t know for sure. Can anybody let me know what is used in your country?
Now, let’s look at what is used in the Philippines. First. let’s see a photo of a typical hot water “on demand” heater that would be used here in the Philippines.
So, what do you think of this system for heating water for showers and such uses? Is this the same type of system used in your country? Or, will this be new for you when you move to the Philippines? Let me know, I’m interested in learning more!