US: 5 low-tech winter greenhouse heating techniques

Maintaining optimal temperatures in the greenhouse is difficult. These structures are made to be solar collectors, but that doesn’t mean they will necessarily heat themselves during winter months when sunlight is fleeting and temperatures cool down. Luckily, there are low-tech, cost-effective heating techniques to consider for growers on a budget.

Cooler temperatures mean slower growth, and that is never welcomed news in the greenhouse. In fact, raising a plant’s soil by a 10 degree Fahrenheit has the power to increase the plant’s height – depending on the plant – by a factor of two. Heat retention matters for growers looking to maximize efficiencies without spending their hard earned capital on supplemental heating devices.

Some growers will have the means to install an integrated environmental control system with an attached heating system. This is a fantastic upfront investment that will be dividends come harvest time. But for others, this may not be an option. The following are five passive heating tricks to maintain natural heat in your greenhouse.

Read the full article at the Rimol Greenhouses blog

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