How To Heat Your Greenhouses During Winter

On June 24, 2016 by Himanshu

With winter just around the corner, your plants that you love and cherish could be in serious jeopardy. Cold and rainy days are on the way, and greenhouses are going to have serious issues in retaining heat, thus making it hard for your plants to survive. Whilst you could put in a greenhouse heating system in your mini greenhouse, it can become a very expensive service. While you may not be able to spend the money on a heating system like that, there are inexpensive ways in being able to retain heat during those cold, winter months. Here are some tips in being able to keep heat in your greenhouse in the upcoming winter.

Bubble Wrap

Bubble Wrap
I know it sounds weird, but just like fragile objects are wrapped in bubble wrap; your greenhouses can be wrapped in bubble wrap as well. A layer of large bubble wrap clipped within the frame of your mini greenhouses will help with reducing heat loss during the winter months. Even if your greenhouse is unheated, special horticultural bubble wrap easily available from garden centres will help with heating up your greenhouses. This will greatly increase heat retention and decrease the amount of freezing draughts destroying your plants. Also, if buying horticultural bubble wrap, it’s important to purchase it with large bubbles, as it is a great way of keeping UV stabilized and helps with allowing more light into mini greenhouses.

Greenhouse Heating System

Greenhouse Heating System
Whilst having a continuous heating system in your mini greenhouses may be expensive, having a heating system in place is extremely important in keeping your plants alive in greenhouse. Using a powerful electric fan heater in greenhouses is very helpful in continuing the growing of plants during the colder months. Electric fan heaters are great at continuously moving warm air around the greenhouse and greatly reducing the risk of the plants getting diseases, as well as any cold spots within the confined space.

With positioning of electric air heaters within your mini or large greenhouses, it is paramount to keep them in an open space at one end of the greenhouse and avoid them being in contact with any water during the heating process. Another tip that is great for an air heater is to keep the direct airflow above plants is closest to heat. This is due to being a high chance of destroying foliage of the plant with direct warm air flow.

Regular use of Thermostat and Thermometer

Regular use of Thermostat and Thermometer
With the use of larger bubble wrap installation and greenhouse heating system, it is important to be able to keep track of the changing temperature during the colder months. In more advanced electric heating fans, thermostats are actually built-in as a feature. This would allow your heating fan to turn itself on and off once it reaches certain temperatures within the greenhouse. Also using a thermometer gives you an appropriate guide for times of the day that your heating system would be most effective.

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