Small Greenhouse heating systems

The one major obstacle to successful greenhouse farming is the winter chill. But it’s something you can easily overcome with the right small greenhouse heating systems

The good thing is that you have a number of options including some very cheap heating systems.

For today, I want us to focus on electric greenhouse heating –by far one of the most popular.

But first, there are a few things you need to know about heating your greenhouse using electrical methods.

Here they are:

  • Whatever device you pick- fan heater, lamp, mats etc. - ensure its stable that is, installed firmly and in a place where it’s not going to be disturbed.
  • Do not mount any electrical heating gadget near a flammable material.
  • Follow installation and safety instructions to the latter.

Some of the popular electrical methods of heating a green house include fan heaters, heating mats, cables and more.

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Electrical small greenhouse heating systems

Greenhouse fan heaters

Electric fan heaters offer an efficient way of heating your greenhouse- especially those thermostatically controlled.

And with heater ratings starting from 1 Kw all the way to 3 Kw, you should easily get a suitable heater for your greenhouse.

Here are some top electric heaters for heating greenhouse in winter.

1. Bio Green greenhouse heater

If you are looking for an electric greenhouse heater with thermostat, this floor-standing greenhouse heater could be a great option.

It outputs 1500w and can heat a radius of 120 ft² thoroughly.

 Since it comes with a thermostat, it is very energy efficient and will help you save your hard earned buck.

A powerful, energy-efficient, and wide coverage electronic fan heater, the bio green electric heater is very close to the best electric heater for greenhouse.

It could be the liberator for your suffering plants.

        PROS

  • Circulates air very well
  • Waterproof and Easy to move around
  • Saves energy (and money) and heats a bigger radius

          CONS

  • Takes a bit of time before warming

2. Lasko  Stanley Pro-Ceramic Utility Heater - portable electric heater with thermostat

With a unique pivoting feature, this sends warm air where it’s needed the most.

It has a rugged, durable construction plus a rubberized, comfort-grip handle which make it one of the best portable heaters for any space- not just the greenhouse.

The adjustable thermostat combined with its 3 comfort settings allows you to set the most comfortable temperature for your greens.

And you can heat up to 1500w if need be!

This is a handy compact heater.

It’s reasonably priced and very good in keeping your crops warm during the harsh winter months.

It could be the way to go!

        PROS

  • It's light and highly portable
  • Adjusts easily and Comes with a thermostat
  • Extremely efficient and top quality

          CONS

  • Not easy to clean

3. Dr. Heater DR218-3000W  - 3000 watt space heater

If your structure is spacious and you want to save every plant, you need a more powerful heater.

This Dr. Heater produces a massive 3000W and since it’s an infrared heater, it heats instantly.

Plus it ensures heat penetrates to the deepest root thus keeping your tender crops warm and thriving

The Dr. heater infrared heater does a professional and thorough job. It heats the entire space very well helping your tender plants to rediscover their shine.

It’s a fantastic option when your plants need more.

        PROS

  • Needs very little maintenance
  • It’s waterproof
  • Portable and has lots of heat

          CONS

  • A bit pricey

4. Patton PUH680-recirculating utility heater


We also found this a potentially very good choice because it heats so well.

And of course, its safety tip-over feature means it can’t fall over your plants.

In addition, it protects you from burning using some 2 guards located in front of its heating coils.

You can set it to run a low output of 1000w or a high of 1500w depending on your plants

This is a multi-purpose utility heater.

It has an automatic thermostat, 2 heat settings (1000w/1500w), and comes in a durable rugged steel housing

 This works brilliantly in warming up small greenhouses.

        PROS

  • Safe heater and Comes with a thermostat
  • Portable
  • Inexpensive

          CONS

  • Not for large spaces
  • Not waterproof
  • Electric Greenhouse heating lamps

Greenhouse heating lamps are also excellent if you want your cuttings or seedlings to sprout faster.

They maintain heat at the levels that cheer up your plants and make them grow faster.

While researching this greenhouse heating system guide, I came across a few quality electric greenhouse heating lamps.

Comfort Zone CZQTV5M Ceiling Mount-ceiling mounted electric heaters

The comfort zone ceiling mount heater is a 2-in-1 greenhouse accessory. You can use it as a halogen light or a 1500w heater or both.

And you easily control it by pulling its control string.

The other thing, you can mount it anywhere since you can tilt it up to 90 degrees to have the heat reach the areas which are most affected.

It has a low setting of 760w and a high of 1500w

With a high-efficiency quartz element, this provides immediate heat plus lighting when necessary.

Then, since it’s adjustable, you can position it to heat and/or light spots where you feel your plants are more affected.

        PROS

  • Easy to mount
  • Directional heating-Automatic heat control
  • It’s a lamp cum heater

Benefits and uses of electrical greenhouse heaters

By installing the right small greenhouse heating systems, you are assured of thriving plants even during the cold.

The alternative is to ignore heating or use sub-standard warming methods and of course, you won’t like the results- chances are that you will have to wave goodbye to your beloved herbs.

So, the biggest benefit of investing a heating system for your greenhouse is that you can continue growing throughout the year- with you vegetables doing well season in season out.

Where to buy electrical greenhouse heaters

You can access a variety of excellent electrical heating systems from online stores such as Amazon, eBay, Wal-Mart and others

Also, some of the manufactures have dedicated sales websites- though they only sell their own.

Still, your local gardening stores could offer more options.

  • Greenhouse heating mats

Let’s now talk about seeding:

To germinate well in winter, your plant roots need to be warmed.

One of the heating options for germination are the heat mats or if you like, heating pads.

Mats encourage seed germination plus the essential root formation by supplying an even base heating that works wonderfully to keep the soil warm

And once heat rises, they also supplement the heating in the rest of the plant as well.

Our team investigated a number of greenhouse heating mats and here were the findings.

  1. Factors to consider when selecting an electric greenhouse heating product

Regardless of whether it’s commercial or just a hobby, you need to identify a gadget to efficiently heat the space during the cold winter months.

Here are some considerations

Whatever you pick- be it a amp, a fan heater, or a heating mat; ensure it doesn’t breakdown anyhow and that it requires minimal maintenance.

Again this saves your crops, money, and time.

The temperature needed in your greenhouse vary with the crop.

Cool-weather crops - like lettuce, cabbage, and broccoli-excel during the winter months, as they require reduced heating to thrive.

Warm-weather crops –such as tomatoes, eggplant, and peppers -are not as successful in colder climates, since your heater must work harder to maintain the right temperature for your greenhouse

If your area has varying temperatures, grow warm-weather crops during warmer months then shift to cool-weather crops in colder months.

You can easily know which heater will be perfect for your greenhouse by finding the volume of heating needed to keep plants warm i.e. The BTUs (British Thermal Units) required.

You calculate the needed BTUs then pick a heater with the BTU rating to match.

Some heating units need special mounting hardware while others come with everything.

Pick that which can be conveniently mounted.

An electric greenhouse heater with thermostat is much easier to work with as it automatically controls heating – coming on when temperatures start sagging and going off when everything is heated well.

This reduces your involvement and saves you a lot of stress

  1. Summary

You are spoilt for choice when we come to small greenhouse heating systems - from lamps, fan heaters, and all the way to heating mats, you surely should get something convenient with your crops.

And an electric greenhouse heater with thermostat offers more convenience as heating runs almost on autopilot.

So, what are your experiences with modern greenhouse heaters?

Let us know in the comments.

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