If you’re looking into solar hot water heaters in your home, that’s wonderful. Using these clean systems to supply your family with a green source of energy, as well as reducing your utility bills, could be a great step to take.
It’s important, however, to understand the workings of these heaters to be sure that they are right for you. Here we will describe the distinction between direct and indirect circulation systems, and what this difference means for your home.
Direct Circulation Systems
All solar hot water heaters have a collector for the daylight that provides the energy to warm your water. Where the water goes from here determines whether your system employs direct or indirect circulation. With direct circulation set-ups, there is a pump that pushes the water through the system, routing it through the collectors, and then directly into your home, not requiring a massive tank.
This is a highly economical method of heating the water which ensures that you certainly can not run out. But, the direct circulation system only works in heaters installed in climates where there is no chance of the water freezing within the pipes.
Indirect Circulation Systems
On the other hand, solar hot water heaters that use indirect circulation use a system of heat transfer to take the energy collected on the surface to heat the water on the inside of a tank. The transfer of this heat is then indirect, and you finish up with a tank setup. This might not be quite as efficient as the direct circulation system, but it’s better for individuals that live in colder climates, where there is more danger of water freezing in the pipes therefore with catastrophic consequences for your heater.
Speaking of efficiency, there is a belief that solar hot water heaters don’t work as well as their normal counterparts, however this is completely not so. Direct circulation systems are highly efficient, and indirect systems oftentimes have larger tanks than those historically installed, so no quality is lost in making the switch.
Irrespective of the reason you opt to analyze solar hot water heaters, there is undoubtedly a system that can work for your household.
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