Frequently Asked Questions

Solar energy is the energy produced by the sun's rays. Solar panels convert sunlight into electricity through a process called the photovoltaic effect. When photons from the sun's rays hit the solar panel, they knock electrons in the panel's silicon atoms loose, which creates an electrical current that can be harnessed and used as electricity.
The amount of area required for solar panels depends on several factors, including the size of the solar panel system, the type of solar panels, and the efficiency of the panels.
On average, a residential solar panel system that generates 5 kilowatts of power would require about 300 to 400 square feet of space, but this can vary depending on the specific circumstances of each installation.
It's important to note that the amount of energy you want to generate and your energy usage will also play a role in determining the size of your solar panel system, which will in turn affect the amount of space required for installation.
The amount you can save on your electricity bills depends on several factors, including the size of your solar panel system, your energy usage, and your local electricity rates. On average, homeowners who install solar panels can save between 10% and 30% on their electricity bills.
A. Net metering is a billing system that credits solar panel owners for the excess electricity they generate and send back to the grid. If your solar panel system produces more electricity than you use, the excess energy is sent back to the grid, and you receive a credit on your electricity bill for the excess energy.
Eirsun’s Solar panels generally have product warranty of 10years and power warrant of 25years subject to proper maintenance and care.
For specific model warranty please refer to its datasheet.
Yes, you can install solar panels on a roof that faces east, west, or even north, although south-facing roofs tend to be the most efficient for solar panel installations.
The cost of a solar panel system depends on several factors, including the size of the system, the quality of the solar panels and the installation costs.
To know your estimated savings, please refer to our Solar calculator based on your specific requirement.
Note: link to Solar calculator page to be given.
Please refer to grants available at SEAI website here.
Yes, you should clean your solar panels regularly to ensure they are performing at maximum efficiency. In most cases, a simple hose down with water will do the trick, but in some cases, you may need to hire a professional to clean your solar panels.
If your solar panel system is connected to the grid, it will automatically shut off during a power outage to protect utility workers who may be working on the lines. However, if you have a battery backup system installed, your solar panel system can continue to provide power during an outage.

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Solar power makes energy independence possible. If you have any questions or need help, feel free to contact with our team, or you can call us any time +353 8 763 30834

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