How to Heat a Polytunnel for Free in Winter

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Most polytunnel owners waste hundreds on heaters that barely work, but the best winter heating methods cost almost nothing. In this video, discover how bubble wrap insulation, draft proofing, and sectioning your tunnel with plastic sheeting can trap heat far better than expensive systems. Learn how water barrels painted black act as natural radiators, storing warmth by day and releasing it at night, and how composting adds another layer of free heat. With these tricks, you can enjoy fresh winter harvests and a thriving polytunnel without sky-high bills. Subscribe for more practical, no-nonsense gardening tips every week!

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