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12 Incredible Greenhouse Heater for 2024
Published: August 5, 2023
Find the perfect greenhouse heater for your needs in 2023. Explore our incredible selection of top-rated greenhouse heaters for efficient and reliable warmth.
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Are you searching for the best greenhouse heaters to keep your plants thriving in 2023? Look no further! In this article, we will explore 12 incredible greenhouse heaters that are sure to meet your needs. Whether you have a small hobby greenhouse or a large commercial operation, these heater options will provide efficient and reliable heating solutions for any size greenhouse. Get ready to discover the latest advancements in greenhouse heating technology and find the perfect heater to create the optimal growing environment for your plants.
Overall Score: 7.5/10
The iPower Electric Heater Fan is a powerful and portable space heater that is perfect for use in greenhouses, grow tents, workplaces, and more. It features overheat protection, which automatically shuts off the heater once the desired room temperature is reached. With a lightweight and portable design, it is easy to move this heater from room to room. The high air circulation fan helps prevent mold formation on plants in a greenhouse. The heater quickly heats up small spaces and has an adjustable heating range from -58°F to 210.2°F. It operates on 120V 60Hz electric supply and has a floor-standing design. Overall, this heater is a convenient and efficient option for keeping your plants and workspace warm.
Key Features
- Overheat Protection
- Widely Application
- Convenient Design
- Fast Heat Up
- Electric Supply
Specifications
- Color: Black
- Dimension: 12.40Lx8.30Wx13.80H
- Size: Greenhouse Heater
Pros
- Overheat protection for safety
- Portable and lightweight design
- High air circulation to prevent mold formation
- Quickly heats up small spaces
- Adjustable heating range
Cons
- Not suitable for outdoor patio use unless enclosed
- May have difficulty regulating temperature
- Expensive to run all winter
- Fan runs constantly
- Limited heating range
The iPower Electric Heater Fan is a reliable and convenient option for heating small spaces such as greenhouses, grow tents, and workplaces. It offers overheat protection for safety and has a portable design for easy transportation. The high air circulation fan helps prevent mold formation on plants, making it ideal for greenhouse use. While it may have some limitations in terms of temperature regulation and heating range, it provides fast and efficient heating in smaller areas. Overall, if you’re looking for a compact and powerful heater, the iPower Electric Heater Fan is worth considering.
Overall Score: 8/10
The Bio Green PAL 2.0/USDT Palma Greenhouse Heater is a reliable and efficient heating solution for your greenhouse. Designed with a stainless steel housing and engineered heat elements, this heater is built to withstand the humid environment of a greenhouse. It has a heating output of 5118 BTU/1500W and can easily heat spaces up to 120 sq. ft. The digital summer/winter thermostat allows you to set and maintain the desired temperature in your greenhouse, and the external sensor cable measures the ambient temperature. With its compact size and floor-standing design, this heater is versatile and can also be used in sheds, store rooms, garages, and milk-houses. Overall, the Bio Green PAL 2.0/USDT Palma Greenhouse Heater is an affordable and effective option for keeping your greenhouse warm and protected.
Key Features
- Heats spaces up to 120 sq. ft.
- Digital summer/winter thermostat
- Stainless steel housing
- 5118 BTU/1500W heating output
- Compact and floor-standing design
Specifications
- Color: Black
- Dimension: 11.00Lx8.00Wx12.50H
- Size: 11 x 8 x 12.5" / 280 x 195 x 315 mm
Pros
- Ideal for greenhouse heating and other spaces
- Durable and splash-proof design
- Inexpensive to operate
- Includes a thermostat for easy temperature control
Cons
- Some customers experienced issues with heating
- Thermostat may not be accurate in all situations
The Bio Green PAL 2.0/USDT Palma Greenhouse Heater is a reliable and affordable option for keeping your greenhouse warm. With its compact size and durable design, it can heat up to 120 sq. ft. of space. The included digital thermostat allows for easy temperature control, and the stainless steel housing ensures long-lasting performance. While some customers have reported issues with heating and thermostat accuracy, overall, this heater provides efficient and effective heating in greenhouse and other small spaces. Whether you have a greenhouse, shed, store room, garage, or milk-house, this heater is a great investment to protect your plants and maintain optimal growing conditions.
Overall Score: 8.2/10
The Dr. Heater DR218-1500W Greenhouse Garage Workshop Infrared Heater is a powerful and efficient heater designed to keep your tender plants warm and thriving in the best climate. With a 1500W output, it provides ample heat for a heating coverage of 150 sq. ft. Its lightweight and portable design make it easy to move around and its low maintenance needs make it a hassle-free option. The heater comes with an IPX4 structure, ensuring its protection against water splashing. It is perfect for use in greenhouses, garages, or workshops. Keep your plants healthy and flourishing with the Dr. Heater DR218-1500W Greenhouse Garage Workshop Infrared Heater.
Key Features
- 1500W comes with only one setting
- Keeping your tender plants warm and thrive in the best climate
- IPX4 structure and is protected against water splashing. Heating coverage: 150 Sq. ft
- Light weight and portable
- Low maintenance needed
Specifications
- Color: Black, Green
- Dimension: 10.00Lx10.00Wx15.00H
- Size: 120V / 1500W
Pros
- Lightweight and portable design
- Efficient and powerful heating
- Protected against water splashing
Cons
- Outdated thermostat knob
- Reports of wires melting and thermostat burning
- Temperature output has a range
The Dr. Heater DR218-1500W Greenhouse Garage Workshop Infrared Heater is a reliable and efficient option for keeping your plants warm and thriving in your greenhouse. Despite some minor drawbacks like an outdated thermostat knob and reports of wires melting, this heater offers powerful heating and is protected against water splashing. Its lightweight and portable design make it convenient to use, and its low maintenance needs ensure a hassle-free experience. With a heating coverage of 150 sq. ft., this heater is suitable for small to medium-sized greenhouses. Overall, it is a good investment for any garden enthusiast looking to create the perfect climate for their plants.
Overall Score: 7/10
The Electric Greenhouse Heater With Digital Thermostat Control is a portable and efficient heater fan designed for greenhouses, grow tents, and flower rooms. With its accurate digital thermostat control, it ensures optimum greenhouse conditions for plants without any risk. The heater also features overheat protection, automatically shutting down when the temperature reaches dangerous levels. It offers fast heating, covering small spaces up to 175 square feet, and allows temperature adjustment from 40°F to 108°F. The heater has both heating and fan modes, giving users versatility in controlling the temperature. Its red color and compact dimension of 10.83Lx7.78Wx14.65H make it suitable for various settings. Although it received mixed reviews, with some praising its effectiveness and others reporting issues with durability and heat output, it remains a viable option for maintaining desired temperatures in greenhouses.
Key Features
- Accurate digital thermostat control
- Overheat protection
- Fast heating
- Heating & fan modes
- High quality service
Specifications
- Color: Red
- Dimension: 10.83Lx7.78Wx14.65H
Pros
- Accurate temperature control
- Fast heating
- Suitable for small spaces
- Versatile heating & fan modes
- Responsive customer service
Cons
- Mixed durability reviews
- Some users experienced low heat output
- Issues with programming and directions
The Electric Greenhouse Heater With Digital Thermostat Control provides an efficient solution for maintaining optimal temperatures in greenhouses. Its accurate temperature control and fast heating make it suitable for small spaces, ensuring the well-being of plant growth. While some users reported issues with durability and heat output, the overall performance and versatility of heating and fan modes surpass the limitations. The product could benefit from improvements in programming instructions and directions. With its compact and vibrant design, it enhances the aesthetics of any greenhouse environment. Overall, this electric heater offers a reliable option for gardeners seeking to regulate temperature conditions for their plants.
Overall Score: 7.5/10
The Electric Greenhouse Heater with Digital Thermostat is a powerful heating solution designed for greenhouses, grow tents, sheds, garages, and more. It features overheat protection with an internal heat limiting thermostat and overheats protection circuit. The heater can easily heat spaces up to 215 ft² and comes with a high air circulation fan to prevent mold formation on plants. The digital display supports temperature units in both Fahrenheit and Celsius, offering convenience and flexibility. The yellow color adds a vibrant touch to your greenhouse. With its compact floor-standing design, this greenhouse heater is a reliable and efficient option for maintaining the ideal temperature in your gardening space.
Key Features
- Overheat protection
- Easily heats spaces up to 215 ft²
- Floor-standing greenhouse heater with high air circulation fan
- Electric Fan Heater with digital display
- Compatible with both Fahrenheit and Celsius
Specifications
- Color: Yellow
- Dimension: 14.00Lx8.00Wx8.00H
Pros
- Overheat protection ensures safety
- Powerful heating capacity for various spaces
- Prevents mold formation on plants
- Easy-to-read digital display for temperature monitoring
- Compact and portable design
Cons
- Thermostat may malfunction
- Limited heat output for larger greenhouses
- Relatively high price compared to alternatives
- Inefficient energy consumption
The Electric Greenhouse Heater with Digital Thermostat is a reliable option for maintaining the optimal temperature in your greenhouse or grow tent. With its powerful heating capacity and overheat protection, you can ensure the safety and well-being of your plants. The high air circulation fan helps prevent mold formation, promoting healthy growth. However, the thermostat may have reliability issues, and the heat output may be insufficient for larger spaces. Considering its relatively high price and inefficient energy consumption, it may be worth exploring other alternatives before making a purchase decision.
Overall Score: 8.5/10
Keep your greenhouse warm and cozy with the Bio Green PAL 2.0/US Palma BioGreen Basic Electric Fan Heater. This floor-standing heater is perfect for heating up greenhouses, milksheds, garages, and workshops. It has a high air circulation fan to prevent mold formation on your plants. The heater casing is made from stainless steel and painted steel grills, making it durable and resistant to corrosion. With its 1500W heating output, it can easily heat up a greenhouse with an area of 120 sqft. The IPX4 splash-proofing makes it ideal for humid areas like hobby greenhouses. It is also very energy efficient to operate, saving you money on heating costs. Engineered in Germany, this heater comes with a 2-year warranty.
Key Features
- Heats up a greenhouse with an area of 120 sqft easily
- High air circulation fan prevents mold formation
- Stainless steel and painted steel grills for durability
- IPX4 splash-proofing for humid areas
- 1500W heating output, energy efficient
- Ideal for greenhouses, milksheds, garages, and workshops
- Engineered in Germany
- Power Source Type: Corded Electric
Specifications
- Color: Stainless
- Dimension: 11.00Lx11.00Wx14.00H
- Size: 11 x 8 x 12.5" / 280 x 195 x 315 mm
Pros
- Heats up greenhouse effectively
- High quality and well-built
- Energy efficient
- Ideal for various locations
- IPX4 splash-proofing for humid areas
- Comes with a 2-year warranty
Cons
- Takes a while to warm up
- Wide temperature variance without optional thermostat
- Air circulation could be better
The Bio Green PAL 2.0/US Palma BioGreen Basic Electric Fan Heater is a reliable and efficient option for keeping your greenhouse warm. It is well-built and durable, offering effective heating performance. The IPX4 splash-proofing makes it suitable for humid areas like hobby greenhouses, and the 2-year warranty provides peace of mind. However, it may take a bit of time to warm up and the air circulation could be improved. Overall, this heater is a great choice for those looking to maintain a comfortable temperature in their greenhouse.
Overall Score: 8.5/10
The Honeywell HHF370B 360 Degree Surround Fan Forced Heater is a portable and energy efficient heater that provides 360-degree warmth for small to mid-sized rooms. It features an adjustable thermostat and 2 heat settings, along with safety features like a 360-degree tip-over switch and overheat protection. This heater is part of Honeywell's range of heaters designed to improve heating and energy savings in your home. With its charcoal grey color and compact size, this heater is easy to use and carry around with its cool touch handle. It helps you save on heating costs while providing soothing warmth. The Honeywell HHF370B 360 Degree Surround Fan Forced Heater is a reliable and convenient heating solution for your living space.
Key Features
- 360-degree all-around warmth
- Adjustable thermostat and 2 heat settings
- 360-degree tip-over switch and overheat protection
- Energy efficient for saving on heating costs
- Compact and portable with cool touch handle
Specifications
- Color: Black
- Dimension: 8.00Lx8.00Wx11.50H
- Size: Medium
Pros
- Provides quick and efficient heat
- Energy efficient for cost savings
- Easy to use and control
- Portable and compact design
- Improved safety features
Cons
- Does not have the 180-degree coverage feature
- May emit a slight plastic odor when turned on
- Fan noise remains the same on both low and high settings
The Honeywell HHF370B 360 Degree Surround Fan Forced Heater is an excellent portable heating solution for small to mid-sized rooms. It provides quick and efficient heat while being energy efficient, helping you save on heating costs. The adjustable thermostat and safety features ensure comfort and peace of mind. The compact and portable design makes it easy to move around and use in different areas of your home. Although it lacks some features like the 180-degree coverage and has a slight plastic odor when turned on, it offers reliable performance and improved safety. Overall, the Honeywell HHF370B is a great choice for anyone in need of a portable and energy efficient heater.
Overall Score: 8/10
The Infinipower Electric Heater Fan is a powerful and portable space heater that is perfect for use in a greenhouse, grow tent, workplace, and more. It is equipped with overheat protection to ensure safety, and once the desired room temperature is reached, it automatically shuts off. With its lightweight and portable design, you can easily move it to any place you want with the built-in carrying handle. This space heater can quickly heat up small spaces, making it ideal for use in garages, kitchens, living rooms, workshops, basements, and sheds. The high air circulation fan helps prevent mold formation on plants. Overall, this heater fan offers efficient and energy-saving heating with adjustable temperature range.
Key Features
- Overheat Protection
- Widely Application
- Convenient Design
- Fast Heat Up
- Electric Supply
Specifications
- Color: Black
- Dimension: 12.40Lx8.30Wx13.80H
- Size: Greenhouse Heater
Pros
- Equipped with overheat protection
- Portable and lightweight design
- Fast heating for small spaces
- High air circulation to prevent mold formation
- Adjustable temperature range
Cons
- Does not put out much heat
- Fan could be more powerful
The Infinipower Electric Heater Fan is a reliable and efficient heating solution for various spaces. It offers safety features like overheat protection and is easy to move around thanks to its portable design. While it may not provide extremely high heat output, it is perfect for small spaces and offers adjustable temperature control. The high air circulation fan is a great addition for greenhouse use to prevent mold formation on plants. Overall, this heater fan delivers on its promises and is a valuable addition to any gardening setup.
Overall Score: 8.2/10
The LHUKSGF Greenhouse Heater with Digital Thermostat is a portable and efficient solution for heating up to 150 sq ft of space. Equipped with a digital thermostat and overheat protection, it is ideal for use in greenhouses, tents, workshops, and more. The stainless steel housing and IPX4 waterproof splash ensure durability and longevity. With positive customer ratings and reviews, this greenhouse heater is a reliable option for maintaining a consistent temperature in your gardening area.
Key Features
- Greenhouse Heater with thermostat for efficient heating
- Digital Thermostat with adjustable heating range
- Portable and non-slip design for easy carrying
- Overheat protection for safety
- High-quality stainless steel housing with IPX4 waterproof splash
Specifications
- Color: Black
- Dimension: 15.40Lx12.20Wx9.80H
- Size: Large
Pros
- Efficient heating for up to 150 sq ft of space
- Adjustable heating range for customized comfort
- Portable and non-slip design for easy transportation
- Overheat protection for safety
- Durable stainless steel housing with waterproof splash
Cons
- Fan rattles in some units
- May not provide strong heat output in larger spaces
The LHUKSGF Greenhouse Heater with Digital Thermostat is a reliable and efficient solution for maintaining a consistent temperature in your greenhouse or gardening area. With its adjustable heating range, portable design, and overheat protection, it offers convenience and safety. The high-quality stainless steel housing ensures durability, and the positive customer reviews attest to its effectiveness. However, some units may have issues with fan rattling or providing strong heat output in larger spaces. Overall, this greenhouse heater is a great investment for any gardening enthusiast.
Overall Score: 7/10
The EAGLE PEAK Greenhouse Heater Fan is a powerful heating solution for various spaces such as greenhouses, garages, grow tents, sheds, and storerooms. With its 1500 W heating output, it can easily heat areas up to 120 sqft. The heater comes with a digital thermostat controller to ensure optimal plant growth. It also features internal heat limiting thermostat and overheat protection circuit for safety. The IPX4 splash-proof construction makes it resistant to water. Additionally, the EAGLE PEAK Greenhouse Heater Fan comes with a 1-year limited after sale protection. While it may not be as powerful as expected and may not provide sufficient heat in extremely cold outdoor temperatures, it is a reliable heating option with convenient features.
Key Features
- FLASH HEATING: 1500 W heating output
- THERMOSTAT INCLUDED: digital thermostat controller
- OVERHEAT PROTECTION: internal heat limiting thermostat and overheat protection circuit
- SPLASH-PROOF: IPX4 water resistant
- EAGLE PEAK PROMISE: 1-year limited after sale protection
Specifications
- Color: Black
- Dimension: 9.50Lx11.20Wx13.40H
- Size: Small
Pros
- Powerful heating output
- Includes a digital thermostat controller
- Equipped with overheat protection
- Water resistant construction
- 1-year limited after sale protection
Cons
- Not as powerful as expected
- May not provide sufficient heat in extremely cold outdoor temperatures
The EAGLE PEAK Greenhouse Heater Fan is a reliable heating option for various spaces. It offers powerful heating output, a digital thermostat controller, and overheat protection for safety. The splash-proof construction adds durability and the 1-year limited after sale protection provides peace of mind. While it may not be as powerful as some users expect and may not work well in extremely cold outdoor temperatures, it is still a great choice for heating smaller areas. Whether you need to warm up a greenhouse, garage, grow tent, shed, or storeroom, the EAGLE PEAK Greenhouse Heater Fan is a practical and efficient solution.
Overall Score: 8.5/10
The Shinic Space Heater is a powerful and durable heating solution for your garage, bedroom, or greenhouse. With its 1500-watt heating element, it can quickly warm up an area of up to 200 sq.ft. The heater features a durable all-metal housing, making it reliable and long-lasting. It also has a stay-cool carry handle for easy portability. The Shinic Space Heater includes advanced safety features such as tip-over and overheat protection, ensuring your peace of mind while using it. It also has an adjustable thermostat for customized comfort. Overall, this space heater offers fast and efficient heating with a focus on safety.
Key Features
- Durable and portable design with all-metal housing
- Fast heating with 1500W high-heat mode and 1300W low-heat mode
- Advanced safety features including tip-over and overheat protection
- Adjustable thermostat for personalized comfort
- Suitable for use in garages, bedrooms, and greenhouses
Specifications
- Color: Grey
- Dimension: 7.10Lx9.80Wx15.80H
Pros
- Durable and long-lasting
- Fast and efficient heating
- Portable with a stay-cool carry handle
- Advanced safety features for peace of mind
- Adjustable thermostat for customized comfort
Cons
- Weak heating from a distance
- Thermostat may not always shut off heater
The Shinic Space Heater is a reliable and efficient option for those in need of a portable heating solution. With its all-metal housing and advanced safety features, it offers durability and peace of mind. The adjustable thermostat allows for personalized comfort, while the fast heating capabilities make it suitable for various spaces. However, it may have limitations in terms of heating power from a distance, and there have been reported issues with the thermostat function. Overall, the Shinic Space Heater provides good value for its affordable price, making it a great option for heating small areas like bedrooms, garages, and greenhouses.
Overall Score: 8.5/10
The Bio Green Phoenix greenhouse heater is the perfect choice for creating optimal conditions in your greenhouse or providing efficient heating solutions for your shed, garage, barn, chicken coop, or store room. This professional-grade heater features precise temperature control with heating and cooling functions to maintain a constant optimal temperature for your plants. With 3 heat output options, you can adjust the temperature according to your plants' needs. The high-quality stainless steel design is rust-resistant and durable, and the heater is easy to install with hanging chains and floor mounting brackets. Keep your greenhouse warm even in freezing temperatures with the Bio Green Phoenix heater.
Key Features
- Ideal choice for optimal greenhouse conditions
- Accurate temperature control with heating and cooling/ventilation functions
- 3 heat output options for adjustable temperature
- High-quality stainless steel design with frost detection
- Easy installation with hanging chains and floor mounting brackets
Specifications
- Color: Stainless Steel
- Dimension: 8.66L x 12.99W x 16.14H
- Size: 41 x 22 x 33 cm
Pros
- Maintains greenhouse temperature even in freezing conditions
- Quiet and smooth-running fan
- Durable and rust-resistant stainless steel design
- Easy to install with flexible mounting options
Cons
- Requires 220 volts for operation
- No digital settings, trial and error required
The Bio Green Phoenix greenhouse heater is an excellent choice for gardeners who want to create optimal conditions for their plants. It provides precise temperature control and adjustable heat output options to suit your plants’ needs. The high-quality stainless steel design and frost detection function ensure durability and optimal performance. While it requires 220 volts for operation, the ease of installation with hanging chains and floor mounting brackets makes it a convenient choice. With its ability to maintain greenhouse temperature in freezing conditions and quiet fan operation, this heater is a valuable investment for year-round gardening. Grow your plants all year round with the Bio Green Phoenix greenhouse heater!
Buyer's Guide: Greenhouse Heaters
Why Do You Need a Greenhouse Heater?
A greenhouse heater is essential for maintaining the optimal temperature and environment inside your greenhouse. Here are a few reasons why you might need one:
- Temperature Regulation: Greenhouse heaters help regulate the temperature inside your greenhouse, ensuring that it stays warm enough for the plants to thrive, especially during colder months.
- Frost Protection: During frosty weather or cold nights, a greenhouse heater can protect your plants by keeping the temperature above freezing.
- Season Extension: With a greenhouse heater, you can extend the growing season and cultivate plants that are not suitable for your area's natural climate.
- Pest Prevention: Some greenhouse heaters come with built-in fans that circulate air, preventing stagnant conditions that may attract pests or mold.
- Energy Efficiency: Investing in an energy-efficient heater can help you save utility costs while providing an optimal environment for your plants.
Factors to Consider When Choosing a Greenhouse Heater
Selecting the right greenhouse heater can be challenging, given the wide range of options available. Keep these factors in mind before making a choice:
- Size of the Greenhouse: Determine the square footage of your greenhouse, as this will influence the heating capacity required. Smaller greenhouses may need heaters with lower BTU (British Thermal Unit) ratings, while larger ones may require more powerful heaters.
- Heating Capacity: Consider the heating capacity of the heater, usually measured in BTUs. Ensure it matches or exceeds the heating needs of your greenhouse, taking into account factors like insulation and outside temperature.
- Heating Method: There are various heating methods available, including gas heaters, electric heaters, and alternative options like wood-burning or propane heaters. Choose one that suits your preferences, energy availability, and budget.
- Temperature Control: Look for heaters with adjustable thermostats or built-in temperature control features, allowing you to maintain precise temperature levels for different plants' requirements.
- Safety Features: Prioritize heaters with safety features like automatic shut-off when overheating, tip-over protection, and flame failure detection for gas heaters.
- Noise Level: Consider the noise level of the heater, especially if you'll be spending a lot of time in the greenhouse. Quieter models can create a more peaceful and enjoyable environment.
- Energy Efficiency: Opt for greenhouse heaters with energy-saving features such as programmable timers, digital controls, or energy-efficient heating mechanisms. They can help save on long-term energy costs.
- Portability and Installation: If you plan on moving the heater around or have limited space, choose a lightweight and portable option. Also, consider the ease of installation and any additional ventilation or plumbing requirements.
Maintenance and Safety Tips
To ensure the longevity and efficiency of your greenhouse heater, follow these maintenance and safety guidelines:
- Clean Regularly: Keep the heater clean to prevent dust accumulation, as it can hinder its performance. Refer to the manufacturer's instructions for proper cleaning techniques.
- Check for Damage: Regularly inspect the heater for any signs of damage, frayed cords, or loose connections. Repair or replace any damaged parts immediately.
- Proper Ventilation: Ensure proper ventilation in the greenhouse to prevent the buildup of carbon monoxide emitted by fuel-based heaters. Carbon monoxide can be harmful to both plants and humans.
- Positioning: Follow the manufacturer's guidelines for proper heater placement. Maintain adequate clearance around the heater to prevent fire hazards.
- Regular Servicing: Schedule regular servicing of your heater, especially before the start of each heating season, to ensure optimal performance and identify any potential issues.
- Keep Flammable Material Away: Avoid storing flammable materials near the heater, as they can pose a fire risk.
- Unattended Use: Never leave a greenhouse heater unattended, especially when you're not present. Always turn it off before leaving the greenhouse.
Frequently Asked Questions about 12 Incredible Greenhouse Heater For 2024
While it may be tempting, regular indoor space heaters are not designed to withstand the unique conditions of a greenhouse. They may lack the necessary safety features and heating capacity required for greenhouse use. It is best to invest in a greenhouse-specific heater.
To determine the required heating capacity, calculate the cubic footage of your greenhouse by multiplying the floor area by the height. Consider the insulation factor and the lowest outside temperature expected. Many heater manufacturers provide guidelines or calculators to help determine the BTUs needed.
Electric greenhouse heaters are generally considered safer than gas heaters due to the absence of combustion and fumes. However, both types can be safe when used according to the manufacturer’s instructions and regular maintenance is performed.
Greenhouse heaters are designed to generate heat and are not intended for cooling purposes. For cooling your greenhouse, consider using natural ventilation methods such as shading, fans, or evaporative cooling systems specifically designed for cooling in hot weather.
It is generally recommended not to leave greenhouse heaters unattended or on overnight, especially if you won’t be present. However, some heaters come with safety features such as thermostats and automatic shut-offs, making them safer for extended use. Always follow the manufacturer’s instructions and prioritize safety.
