1: If your saying the whole world then it's 0.00153 percent.
2:If your saying any random country then there is a 0.45731 percent chance.
3:(a)If your talking about a random city(large) then there is a chance of 0.8662... percent chance,(b)random city(medium) then there is a chance of 0.921... percent chance,(c)random city(small) then there is a chance of 0.9992432112 percent chance.
4:(a)If you are asking about a neighborhood(large)there is a chance of 1.28436.. percent chance,(b)a neighborhood(medium)there is a chance of 0.134.. percent chance,(c)a neighborhood(small and I mean very small)there is a chance of 0.001112.. percent chance.
(Hope you like my answer because it took me a whole day to browse and find it.)
Yes, the tankless water heaters do cost more than the normal water heaters because tankless water heaters are designed to supply hot water only when needed unlike normal ones.
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Tankless water heaters are available at most hardware/construction retail stores or online stores. Tankless water heater are much more expensive than regular water heaters.
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Tankless water heaters can be powered by electricity or propane. Electric tankless water heaters are more common, but propane tankless water heaters are popular in regions where natural gas is not available. Both types offer energy efficiency and the convenience of on-demand hot water.
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Tankless water heaters typically have a higher upfront cost compared to traditional tank water heaters. However, tankless water heaters are more energy-efficient and can result in lower long-term operating costs.
Tankless water heaters have been around about 30 years. I believe they may have first been used on European trains.
Tankless water heaters are produced by a wide range of manufacturers. The Rheem tankless water heater has a cost range from the mid fifteen hundreds to over two thousand dollars.
Yes, tankless water heaters can be installed outside of a building as long as they are designed for outdoor use and protected from the elements.
The main differences between an electric and propane tankless water heater are the energy source they use to heat water. Electric tankless water heaters use electricity, while propane tankless water heaters use propane gas. In terms of efficiency, electric tankless water heaters are generally more efficient for heating water in a household because they have a higher energy factor and lower operating costs compared to propane tankless water heaters.