✉︎ info@nordicsunwall.com
Free solar heat with NORDIC sunwall. Even at -40°C.
83% efficiency · 40°C temperature rise · 6-month payback
A simple black aluminium sheet. A small fan. And you have Free hot air from the sun.
No solar panels · No batteries · No inverters · No electricity generation · Just free hot air
It does not need warm air — it needs sunlight. As long as the sun shines, it works.
The perforated black aluminium sheet that makes it all possible.
Specifications:
- 1 mm thick · AlMg3 (marine-grade aluminium)
- Black coated (matte black, high absorption)
- 1.6 mm holes · 2% open area
- 25+ year lifespan · 83% efficiency
- Made in the Netherlands
Price: $200 per sheet (minimum 10 sheets)
Why our sheets?
- Pre-perforated — no drilling, no painting
- Black coating — maximum solar absorption (up to 95%)
- Thicker than competitors (1mm vs 0.5mm)
- 79% cheaper than similar products
- Ready to mount on your south wall
Add a fan and ducting — you have a high-efficiency solar air heater.
