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Eirsun
Residential Solar, Commercial Solar, Agriculture Solar, Solar PV Modules, Solar Inverter, Solar Batteries.
What Eirsun does
Eirsun is a solar energy company in Ireland that supplies and installs solar systems for residential, commercial and agricultural properties. Its products include solar PV panels, inverters, batteries, solar carports with EV chargers and solar diverters. Services cover installation and commissioning, engineering, procurement and commissioning, and operation and maintenance. The company offers on-grid, off-grid and hybrid solar system designs, with customized solutions based on customer requirements. It states that its systems aim to reduce electricity bills and CO2 emissions.
Summarised from the business's own website, checked October 2026. Not written or endorsed by the business.
About
Buying solar or energy products
Solar is a long-term investment. Compare the warranties on panels, inverter and installation separately, and check estimates of savings are realistic.
What to check
- Accredited installers where you live
- Separate warranties for panels, inverter and workmanship
- A savings estimate based on your actual usage
- Who handles permits and grid connection
Questions to ask
- What is the payback period, and how did you calculate it?
- What maintenance is needed?
- Who do I call if the system stops working?
Customer reviews
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