Greenhouse Heaters

Wesley Burke
14 min readSep 16, 2024
Greenhouse-Heater-1

Looking to extend your growing season or keep your greenhouse at the ideal temperature all year round? We've got you covered with our roundup of the best greenhouse heaters on the market. In this article, we'll be highlighting top-rated products that will help you maintain the perfect climate for your plants, no matter the weather outside.

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Reviews

Efficient Greenhouse Fan Heater with Stainless Steel Casing

Efficient Greenhouse Fan Heater with Stainless Steel Casing | Image

The Bio Green Palma Basic Electric Greenhouse Fan Heater, a small but mighty heater with 1500-watt output and a versatile fan for circulation, makes it an excellent choice for greenhouses and outdoor spaces. Designed with stainless steel and painted steel grills for long-lasting durability, this energy-efficient heater is perfect for warming greenhouses with an area of 120 square feet.

In the event of splashes or water exposure, it has an IPX4 splash-proofing feature, making it ideal for humid areas and ensuring safety during watering sessions. Its heating and ventilation dials allow easy temperature adjustment and air circulation, minimizing mold formation and keeping plants thriving.

With its portable and compact size, the Bio Green Palma Basic Electric Greenhouse Fan Heater can be taken anywhere. A smart investment for both gardeners and hobbyists, this heater's stainless steel construction ensures a lightweight and reliable solution for your greenhouse needs.

Portable Greenhouse Heater for 120 Sq Ft Spaces with Adjustable Temperature Control

Portable Greenhouse Heater for 120 Sq Ft Spaces with Adjustable Temperature Control | Image

The Bio Green Palma Basic Greenhouse Space Heater offers a great heating solution for your greenhouse needs. It covers up to 120 square feet with ease and has a heating/ventilation dial for circulating air.

Its lightweight and portable design allows you to move it from space to space as needed. The heater is versatile and perfect for garages, basements, storage rooms, workshops, and more.

The stainless steel construction and spray waterproof design ensure long-lasting durability, even in humid conditions. This product comes as a 3-pack, making it a fantastic value.

Powerful and Sustainable Greenhouse Heater with Digital Thermostat

Powerful and Sustainable Greenhouse Heater with Digital Thermostat | Image

Imagine stepping into your cozy 120-square-foot greenhouse on a chilly winter morning, eagerly awaiting the warmth that you know is just a few pushes of a button away. That's the kind of experience this Bio Green Palma Basic Greenhouse Heater promises to deliver.

The heater, a petite, yet powerful force, is crafted from stainless steel, which adds a touch of elegance to its robust construction. It's designed to survive those demanding greenhouse conditions, maintaining its shine and strength season after season.

One of the most pleasing aspects of this heater is its digital thermostat. It's like having a tiny control center right at your fingertips, allowing you to set the ideal temperature for your space. You can range from a frosty minus 58 degrees to a blazing 210 degrees Fahrenheit.

The heating/ventilation dial adds another layer of convenience to this greenhouse buddy, ensuring the air inside your space circulates effectively, preventing any mold from forming. This element is particularly welcome in humid conditions or when watering.

The splash-proof design adds an extra layer of safety, allowing you to use the heater even if you've got clumsy gardening hands. It's practical, efficient, and keeps you and the unit safe from the water that might escape during those watering sprees.

This little greenhouse warmer is not just for greenhouses, though. It's perfect for a variety of other spaces, too - from workshops and garages to storage rooms and basements. It's a versatile tool, ready to serve wherever you need it.

The Bio Green Palma Basic Greenhouse Heater doesn't just offer heat but also comes with a fan, making it a combo that provides both heating and ventilation. It's a handy feature that adds to its overall functionality, making it a tool that can be utilized all year round.

In summary, this greenhouse buddy is a powerful, energy-efficient, and portable heater that's perfect for those looking to keep their spaces warm and toasty. It's both practical and stylish, and can fit into a variety of spaces, which makes it an ideal choice for any gardening enthusiast.

Efficient Greenhouse & Workshop Heating System by Riverstone Industries

Efficient Greenhouse & Workshop Heating System by Riverstone Industries | Image

Introducing the Riverstone Greenhouse & Workshop Heating System, a top-quality solution designed to deliver direct heat for your greenhouse, shed, garage, or workshop while ensuring energy efficiency. This heating system boasts an impressive 12.5-inch width, 14-inch depth, and 12.4-inch overall height, making it ideal for a variety of applications. Its ceiling-mounted design allows for efficient airflow, while its adjustable bracket provides the flexibility to direct the heat in any direction as needed. And with the ability to pivot 360 degrees, this heater offers easy re-direction of heat flow and convenient temperature control.

The Riverstone Greenhouse Heating System is designed to save you money by working more efficiently than other heaters on the market. Its copper brazed construction with a lower watt density and steel-sheathed tubular heating element ensures less energy consumption for heat production. Additionally, it features an automatic fan control and a thermal cut-out, automatically shutting off in the event of overheating and reactivating when temperatures return to normal. The mounting bracket and hardware needed for installation are included.

However, it's worth mentioning that some users noted a slightly shabby assembly control and a requirement for manual adjustments to achieve optimal performance. While these issues might impact the overall user experience, the Riverstone Greenhouse & Workshop Heating System remains a solid choice for those seeking a reliable and efficient heating solution for their greenhouse or workshop space.

Phoenix Greenhouse Heater 2.8 kW - Durable Electric Heating System with 3 Power Levels

Phoenix Greenhouse Heater 2.8 kW — Durable Electric Heating System with 3 Power Levels | Image

During the winter months, my greenhouse was struggling to maintain the perfect temperature, but that all changed when I introduced the Phoenix Greenhouse Heater from Bio Green. The powerful 2800W heater with three heat output levels of 1.0 kW, 1.8 kW, and 2.8 kW made sure my plants were not left in the cold.

Its versatile design allowed me to hang it from the ceiling or place it on the floor, depending on the available space in my greenhouse. Moreover, the upgraded fan provided quieter operation while consistently distributing the heat throughout the greenhouse.

I particularly appreciate the waterproof feature (IPX4) that ensures protection from accidental water splashes. The Phoenix Greenhouse Heater is perfect for any gardening enthusiast looking to regulate the temperature of their plants and ensure healthy growth no matter the season.

Efficient Greenhouse Greenhouse Heater for Outdoor Heating

Efficient Greenhouse Greenhouse Heater for Outdoor Heating | Image

This electric heater fan offers a rapid heating solution to provide you with a warm and cozy environment in just 3 seconds. Its overheat protection feature ensures your safety by automatically stopping the unit when the temperature becomes too high. With two adjustable heating modes of 750W and 1500W, this energy-efficient heater is perfect for both indoor and outdoor use.

Notably, the infrared technology improves blood circulation and promotes metabolism for an overall healthier lifestyle. The waterproof, standing design allows for installation in various locations like balconies, courtyards, garages, and patios. With an ETL-listed guarantee, you also receive a 2-year quality assurance and lifetime support.

Choose this reliable heater for your greenhouse, garage, or outdoor space to enjoy warmth and comfort all year round.

Indoor/Outdoor Quartz Electric Infrared Heater for Wall or Ceiling Mounting

Indoor/Outdoor Quartz Electric Infrared Heater for Wall or Ceiling Mounting | Image

As someone who's been using the OCH2 Series Quartz Electric Infrared Heater for a while now, I must say, it's quite the game-changer. This heater is perfect for both indoor and outdoor settings and has truly made a difference in keeping my spaces warm and cozy.

One of the things I absolutely love is that it can be mounted on either the wall or ceiling, giving me the flexibility to place it where it works best. Plus, the corrosion-resistant stainless steel housing ensures that it can withstand even the toughest conditions.

However, I did notice a slight downside - the heater's heating method is infrared and it doesn't work on solid objects, which means I can only use it for spot heating. But overall, it's a small price to pay for the incredible performance and versatility the OCH2 Series Quartz Electric Infrared Heater provides.

iPower Greenhouse Electric Heater - Fast Heating, Overheat Protection

iPower Greenhouse Electric Heater — Fast Heating, Overheat Protection | Image

I've had the chance to try out the iPower Electric Heater Fan and it proved to be quite a versatile little heater. With its small yet powerful, the heater is perfect for spaces like greenhouses, workshops, and garages. The built-in handle makes it easy to move around and place it wherever you need it, and the heater itself shuts off automatically once the desired room temperature is reached.

One thing I particularly appreciate about this heater is its adjustable heating range, which allows you to set it to a comfortable level for your specific environment. This feature makes it suitable for a wide range of indoor spaces. Another great feature is the heater's water resistant property, marking it safe for use in humid environments like greenhouses and grow tents.

However, there are a couple of things to note. One downside is that the heater only covers areas up to 160 square feet, which might limit its application in larger spaces. Also, while the heater does work efficiently, it doesn't seem to produce enough noticeable force in its fan movement.

Overall, the iPower Electric Heater Fan is a great little heater with features that make it suitable for various indoor settings. It's durable, energy efficient, and easy to move around - perfect for those who need a reliable heater for their indoor greenhouse, office, or workshop. Despite a couple of small shortcomings, this heater is definitely worth checking out if you're in the market for a new one.

AOBMAXET Greenhouse Heater: Digital Thermostat Outdoor Patio Heater for Patio and Grow Tent Overheat Protection

AOBMAXET Greenhouse Heater: Digital Thermostat Outdoor Patio Heater for Patio and Grow Tent Overheat Protection | Image

Experience the joy of a warm and cozy greenhouse with the AOBMAXET Greenhouse Heater. This powerful heater efficiently warms up to 215 square feet of space, making it perfect for greenhouses, grow tents, and outdoor patios. Its digital thermostat allows for precise temperature control, ensuring your plants consistently thrive in their ideal climate.

The heater is energy efficient and comes with overheat protection, automatic power off, and enhanced stability with non-slip pads. Plus, with a convenient carry handle and a compact design, you can easily transport and position it wherever you need warmth.

Trust AOBMAXET for top-notch heating solutions and excellent customer service.

Dr. Infrared Heater DR-268 Smart Greenhouse Heater with Temperature Control

Dr. Infrared Heater DR-268 Smart Greenhouse Heater with Temperature Control | Image

The Dr. Infrared Heater DR-268 Smart Greenhouse Heater effectively warms up greenhouses and nurtures plants in the process. Its built-in temperature control and digital thermostat allow for simple, seamless operation.

The heater comes with versatile mounting options, including wall-mounting, ceiling mounting, and hanging with the provided hanging chain, making it convenient for various setups. This ETL certified product is energy-efficient, with radiant heating methods minimizing heat loss through walls and maximizing direct warmth for plants.

With a power source of 120 volts, it can cover up to 150-200 square feet, making it suitable for a range of indoor and outdoor spaces.

Dr. Heater Greenhouse Garage Heater: Portable, Lightweight, and Easy-to-Use

Dr. Heater Greenhouse Garage Heater: Portable, Lightweight, and Easy-to-Use | Image

Hey there! So, I've been using this Dr. Heater Infrared Greenhouse Garage Workshop Heater for about a week now, and let me tell you, it's been a game changer for my plants. First off, it's a total lifesaver when it comes to keeping my tender greens warm and cozy during these chilly nights.

One of the things that stood out to me was just how lightweight and portable this heater is. I can easily move it around in my greenhouse to make sure every plant gets equal love. Plus, the IPX4 structure means it can handle a little water splashing without a problem.

Now, let's talk about the heat. It's got 1500 watts of power, which is plenty to keep my space toasty. The adjustable thermostat control makes it super easy to find the perfect temperature for my plants, and the heavy-duty steel housing ensures they stay nice and snug.

One thing I noticed, though, is that the fan isn't the most powerful. But honestly, I haven't had any issues with it so far. And speaking of issues, there was a little hiccup when I first got it. The plug didn't fit perfectly into my outlet, but after a quick replacement, it was smooth sailing from there.

All in all, I'm really happy with this little heater. It's been a great addition to my greenhouse setup, and my plants are thriving thanks to it. Highly recommend!

Buyer's Guide

When it comes to greenhouse heating, you'll find that there are a variety of options available to meet your specific needs. In this buyer's guide, we'll explore the key features, considerations, and general advice for greenhouse heaters to help you make an informed decision. Remember, it's always a good idea to consider your individual requirements and budget when selecting a greenhouse heater.

Important Features

When choosing a greenhouse heater, some important features to consider include fuel efficiency, ease of use, and energy sources. You'll also want to think about the size of your greenhouse and whether the heater can effectively heat the entire area. Additionally, consider if the heater can automatically adjust temperatures based on the environment or if it requires manual adjustments.

Considerations

Before purchasing a greenhouse heater, consider the following points: the size of your greenhouse, the climate in your area, the amount of insulation, and the types of plants you grow. These factors can help you determine the best heater for your specific needs. It's also important to consider the maintenance requirements and overall lifespan of the heater before making your purchase.

General Advice

One general tip for greenhouse heating is to invest in a good quality thermostat. This will help ensure that your plants are kept at the optimal temperature without overheating or underheating. It's also important to regularly clean and maintain the heater to ensure it's operating efficiently and safely. Lastly, don't forget to consider the cost of the heater's fuel as part of your budget.

When choosing a greenhouse heater, consider the features, considerations, and advice provided in this guide. By taking the time to research and make an informed decision, you'll be able to find the perfect heater to help keep your greenhouse at the optimal temperature. Remember, a good quality heater can not only improve the health of your plants but also extend the growing season, allowing you to enjoy a bountiful harvest all year round.

FAQ

Uncovering the Advantages of Greenhouse Heaters

Greenhouse heaters offer a multitude of benefits, including the maintenance of optimal temperature and humidity levels for nurturing plant growth. These state-of-the-art devices help prevent frost damage and extend the growing season, allowing producers to harvest crops in greater abundance.

By precisely controlling the climate within the greenhouse, greenhouse heaters create a consistent and controlled environment for plants to flourish. This ensures that plants benefit from a stable, well-regulated environment, enhancing overall yield and optimizing plant health.

How Greenhouse Heaters Function

Greenhouse heaters work using various methods, primarily employing electricity, solar power, or propane as their energy sources. Electric heating systems, like ceramic or resistance heaters, provide immediate heat and are simple to install and operate, albeit consuming more electricity. In contrast, gas-powered heaters demand a flue or vent pipe for exhaust, a factor to consider during installation.

Solar-powered greenhouse heaters, also known as solar thermal panels, harness sunlight to generate heat. These eco-friendly systems, though less efficient in cloudy weather or during winter, are popular among greenhouse enthusiasts in warm climates, as they typically offer cost-effective heating solutions.

The Diverse Types of Greenhouse Heaters Available

Selecting the most suitable greenhouse heater relies on factors such as energy efficiency, resources availability, and budget. Different types of greenhouse heaters available include electric heaters like ceramic or resistance heaters, oil and gas heaters such as paraffin or biomass burners, and solar-powered panels. The chosen heater will depend on a combination of these considerations.

Freestanding heaters, designed for multiple locations, typically offer higher heat output. Wall-mounted heaters are space-saving alternatives, especially for smaller greenhouses, and can prove more cost-effective in this context. Additionally, some heaters come equipped with convection assistance, which improves air circulation and delivers more uniform heating throughout the greenhouse.

Calculating the Optimal Size for a Greenhouse Heater

Determining the ideal size of a greenhouse heater entails evaluating the greenhouse's dimensions, the types of plants grown, and the desired minimum temperature. This process typically involves calculating the heating load, the amount of heat required to maintain the desired temperature. This calculation can be performed by multiplying the greenhouse's area (length × width) by the desired temperature difference and the heat capacity of the greenhouse's materials.

For example, if a greenhouse is constructed of glass and the desired temperature is 15°C, the heat capacity of glass should approximate 0.85 kWh/m²K. Then, the calculation would look like: (15 × 30 × 60) / (0.85 × 10) = 4432 kWh. Consequently, a heater with a 4.43 kW heat output would be an appropriate fit for this greenhouse.

Installation Requirements for Greenhouse Heaters

Installation requirements for greenhouse heaters can differ based on the heater type. In general, it is crucial to ensure a safe and efficient method of exhaust gas removal for both gas and oil heaters, to prevent carbon monoxide poisoning or fire hazards. This may involve installing vent pipes or flues, securing adequate ventilation, and connecting the heater to a reliable electricity source.

For electric and solar-powered heaters, installation can be as straightforward as plugging them into a power socket; however, it is essential to adhere to the manufacturer's instructions and safety precautions during installation. Consulting a professional installer can also be advantageous in securing the correct sizing and configuration of the heater.

Can Greenhouse Heaters Serve as Plant Drying Systems?

While most greenhouse heaters primarily function for heating purposes, some can also be utilized as drying systems for plants. Convection-assisted heaters with appropriate air circulation enable the removal of excess moisture from the air, thus facilitating the drying process. Nevertheless, this method may increase overall energy consumption, potentially leading to higher heating costs.

Alternatively, specialized drying systems designed specifically for plant drying, such as dehumidifiers or forced-air driers, can provide a more efficient and effective solution. Investing in such a system can ultimately reduce energy consumption and the environmental impact of the drying process.

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