Deep Retrofit Projects – Solar, Heat Pumps & Battery Storage Working Together
- ciara culleton
- Aug 25
- 2 min read

Older Irish homes lose heat fast and cost a fortune to run. Discover how Solar Energy Solutions's deep retrofit projects combine solar, heat pumps and battery storage into one coordinated upgrade.
Much of Ireland's housing stock was built long before modern insulation standards or renewable heating were considered. Upgrading one system at a time; a heat pump one year, solar the next often means each underperforms because it wasn't designed to work with the others. A deep retrofit takes the opposite approach, designing everything together from the start.
Key Benefits of a Deep Retrofit
Bigger Combined Savings – Solar offsets your heat pump's electricity use, while battery storage captures surplus generation for evening heating and hot water.
Higher BER Rating – A coordinated upgrade delivers a much stronger Building Energy Rating than a single system alone.
Future-Proof Your Home – Reduce reliance on oil, gas and volatile fossil fuel prices for good.
Maximise Grant Funding – SEAI offers substantial support for deep retrofit projects, on top of individual technology grants.
Solar Energy Solutions: Deep Retrofit Specialists – Solar Energy Solutions assesses your whole home's energy profile — insulation, heating, and electrical infrastructure — before designing a solar, heat pump and battery storage system that works together, not in isolation. We handle everything, from grant applications across every technology to phased project planning and installation.
Our systems include:
Whole-home energy assessment and coordinated system design
High-efficiency heat pumps paired with solar PV
Sigenergy battery storage integration
Full support with SEAI deep retrofit and individual technology grants
Ready to retrofit your home?
Request a free home energy assessment from Solar Energy Solutions and find out what a coordinated system could save you.
Nationwide Service | Sustainable. Reliable. Efficient.




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