How does Solar Panels differ from Solar Water Heaters?

Find Out What the Difference Is Between These Two Often Misused Terms

The demand for domestic renewable energy solutions is increasing as green energy becomes more mainstream. As a result, homeowners who wish to reduce their carbon footprint and save money on their electricity costs now have various options.

If the sun is your preferred energy source, you might also be aware that two systems are currently available: solar panels and solar water heaters. Although they both work by absorbing sunlight and, as a result, must be installed on your roof facing south, the similarities end there. They are, in effect, two completely different products.

Outcomes: Power And Heat

The first significant difference is what they produce between solar panels and solar water heaters. Solar panels absorb light particles (photons), gather electrons, and guide them through a wire using the photovoltaic effect; electron passage is electricity in and of itself.

This is accomplished using solar cells consisting of semiconductor materials such as silicon, which have a negative and positive layer, resulting in a magnetic field.

As a result, solar panels are used to provide any or more of the house’s electricity. Smaller solar panels can save you a lot of money on your electricity costs, while larger ones can have enough fuel to make you self-sufficient.

On the other hand, solar water heaters do not generate electricity. They use sunshine differently, converting it to heat instead of energy. Solar collectors consist of a network of pipes that carry a solution that converts solar energy into heat, converted and deposited in a water tank. It can then be used to heat a room or have hot water. Swimming pools may be heated with low-temperature collectors instead.

When heating is not required in summer, the solar thermal system generates around 90% of your hot water, and in winter, 40-60%. Furthermore, the life of your boiler is extended by 60%. Alternatively, solar thermal can be used to heat and thermodynamic panels to green up with hot water fully. As this technology does not produce electricity, you need to fuel the pump with a bit of electricity.

If you want to go completely green, the solar panels will supply the electricity; otherwise, you can easily link to the grid.


Even though the two systems operate differently and have different roles, they share the same goal: replacing older, “dirtier” power sources with clean, low-cost electricity. Both systems will save you money while still helping the environment. They need minimal maintenance once installed and provided free energy and hot water.

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