Solar water heaters have become a popular choice to traditional electric water heaters in many parts of the world, especially in sunny regions. They offer a clean way to heat water for home use and can help lower our reliance on non-renewable energy sources. However, like any other technology, there are some potential risks associated with solar water heater installations that need to be thoroughly evaluated before making a decision.

One major risk is the risk of inaccurate installation. If the solar water heaters are not installed correctly, they can be less effective and may not perform as expected. This can lead to wasted energy, maintenance expenses, and even potential safety hazards. Therefore, it is essential to hire qualified and trained professionals for installation to ensure that the solar water heaters are installed properly.

Another risk associated with solar water heater installations is the potential strain to the roof. Solar water heaters require mounting the solar collector to the roof, which can exert excessive weight and stress on the roof. Therefore, owners need to evaluate the stability of their roof to ensure that it can support the added load of the solar water heater. Any strain to the roof or foundation of the house may lead to expensive repairs.

Furthermore, considerations need to be given to the health impacts of solar water heaters, such as Legionnaires' disease. Legionnaires' disease can occur when water sits statically in a stagnant system, allowing bacteria to breed. Therefore, the efficiency of the equipment is critical and routine check-ups must be performed to prevent this situation.

Additionally, there's potential exposure to expensive initial investments and financial rewards may come into play. To many individuals or household homeowners, installing solar water heaters in their home involves a cost not easily covered from an short-term revenue return on the account holder. However, governments in most locations could provide monetary incentives to installing local homeowners. Individuals should find out if such rewards exist to some of their locations before making the buying decision.

Lastly, owners need to understand that solar water heaters may need to be adjusted according to climate change as it significantly affects how they operate. Ongoing research needs to be implemented to reflect optimal solar water heaters usage habits that align with ecological information.