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How to Heat a Greenhouse: 4 Proved Practical Ways

How to Heat a Greenhouse: 4 Proved Practical Ways

Plants, like animals and humans, are living objects. When force majeure occurs, we need to help them, not only for the plants themselves but also for the human beings themselves. Greenhouses are a great way to prolong the growth of plants and protect them from harsh weather conditions, not only allowing you to grow plants and vegetables year-round but also extending other beneficial effects. Therefore, Greenhouse ideas are deeply rooted in people's minds. There are many ways and means to help you how to heat a greenhouse. Maybe you are a little confused when faced with these thoughts. Fortunately, this article will solve your problem on how to heat a greenhouse and provide you with tips that best suit your situation. Create a cozy and warm environment for your plants.


Make Some Hotbeds

A hotbed is something that provides warmth to seeds or plants so they can grow faster and healthier. Below is the general method for making a hotbed.
  • Choose a sunny, well-drained location.
  • Make a loft bed no less than 18 inches deep.
  • Add an insulating layer of straw, leaves, etc. to the bottom of the raised bed, then top with 6-8 inches of soil (compost or other organic matter can be added).
  • Installation of heating cables.
  • Cover the hotbed with plastic.

Try Water-heating System

A basic method of heating greenhouses is the hot water system, which was already common in the 19th century. Generally, pipes are dug 6-12 feet below the soil, and liquid is injected into the pipes to flow through them. A heat pump is required to maintain power. At present, there is a simpler, scientific, and environmentally friendly way worth advocating. Hydronic heating can be achieved by purchasing greenhouse solar panels for water heating, which can transfer sunlight to heat to maintain soil temperature. They’re not only economical but also more effective in colder climates.


Prepare Radiant Heaters

A radiant heater is a heating device that works by emitting infrared radiation from a heating element, which heats an object and increases the temperature of an area. This is an efficient and cost-effective way to heat your greenhouse.

The types of heaters can be divided into propane, natural gas, and electric.
  • Propane and natural gas are more advantageous in terms of cost but require ventilation and regular filling.
  • Electric heaters are easy to install and require no ventilation but are expensive to run. The solar generator for greenhouses can solve the shortcoming of the expensive operation of electric heaters.

After the auxiliary heater is installed, in addition to checking whether the heater is working properly, it is also necessary to set the thermostat and monitor the temperature of the greenhouse. Following these steps will ensure that the plants in your greenhouse stay in the optimum temperature range for growth.

Use Solar Energy

In order to make the process of increasing the overall temperature of the greenhouse more stable and efficient, the solar greenhouse has become a popular trend. Because solar power can reduce carbon usage and save energy bills, it is not only reliable but also has environmental and cost-saving implications. There is also no hassle in choosing and installing solar panels, it is very simple.
  • First of all, after you understand your own energy needs, choose the right solar panels to install on the roof and walls of the greenhouse.
  • Then, the battery pack is prepared to store the excess energy generated by the solar panels for nighttime and other needs.
  • Generator for greenhouses, frequency converter, and monitoring is also essential to take advantage of solar power and check that the solar system is working effectively.

By following these steps, you already upgrade your solar powered greenhouse. If you don't know how to select brilliant solar equipment, Anker 757 Solar Generator is one of your best choices. The Anker 757 Solar Generator is a combination of Anker 757 PowerHouse with 1229Wh capacity and 1500 wattage and multuple sets of 100W Solar Panels. With 13 ports in total, this is definitely the best option for you.



So now you know how to heat a greenhouse. There are various methods you can try to heat a greenhouse, including creating hotbeds, using water-heating systems, installing radiant heaters, and maintaining a solar greenhouse. Each method has may have its own advantages and limitations, and choosing the right one depends on factors such as budget, location, and the type of plants being grown. By following the tips provided in this article and selecting the appropriate equipment, it is possible to create a warm and cozy environment for plants and enjoy the benefits of a thriving greenhouse.

FAQ about How to Heat a Greenhouse

How Do I Keep My Greenhouse Warm at Night?

To keep a greenhouse from low temperatures and be warm at night, you can try our methods in the article. Besides, here we also listed some practical and affordable ways to keep it warm at night.
  • Cover plants with insulation such as bubble wrap.
  • Insulate with materials such as bubble wrap, and double-glazed windows.
  • Use the heat generated by the decomposition of compost to maintain the indoor temperature at night.
  • Use heating systems or thermostats to adjust and maintain temperature.
  • Combination of livestock and plant production (the body temperature of livestock increases at night).

Can Plants Freeze in a Greenhouse?

If the temperature in a greenhouse drops below freezing, the plants in the greenhouse will freeze. Among other things, power outages, insufficient insulation or damage to the heating system can also cause plants to freeze.

To prevent this from happening, the installation of solar panels and solar generators is effective, and a temperature monitoring system also needs to be equipped in the greenhouse.

Overall, a greenhouse can provide a suitable temperature for plants, but it is not permanently immune from the effects of freezing.

What not to Put in a Greenhouse?

For a sealed ring territory like a greenhouse, the following things can adversely affect the greenhouse.

  • Normal garden soil can be compacted in a greenhouse, which kills the root system and hinders plant growth.

  • Storage and use of toxic chemicals and pesticides can contaminate soil and water.

  • Don't store chemicals such as gasoline and propane tanks in your greenhouse; these materials can create a fire hazard.

  • Diseased plants and overgrown plants can cause disease to spread, and block sunlight.

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