14 Incredible Small Greenhouse Heater for 2024

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Are you a passionate gardener looking for the perfect small greenhouse heater to ensure your plants thrive in 2023? Look no further! In this article, we will present you with a list of 14 incredible small greenhouse heaters that will provide optimal warmth and protection for your beloved plants. Whether you have a compact greenhouse or limited space, these heaters have been carefully selected to meet your specific needs. From portable options to energy-efficient models, our expert recommendations cover a wide range of features to help you make an informed decision. Get ready to take your gardening to the next level with these top-notch greenhouse heaters!

iPower Electric Heater Fan for Greenhouse

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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.

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.

Bio Green PAL 2.0/USDT Palma Greenhouse Heater

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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.

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.

Dr. Heater DR218-1500W Infrared Greenhouse Heater

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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.

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.

Electric Greenhouse Heater with Digital Thermostat Control

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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.

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.

Bio Green PHX 2.8/US Phoenix Greenhouse Heater

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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.

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!

Bio Green PAL 2.0/US Palma BioGreen Basic Electric Fan Heater

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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.

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.

PTC Heaters, 200W DC 12V Heating Electric Insulated Ceramic Thermostatic High Power PTC Heating Element

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Overall Score: 6.5/10

The PTC Heaters is a high-quality heating element that is perfect for various applications such as air conditioning units, dryers, and cars. It features a high-power output of 200W and operates on a DC 12V voltage. The product is made with insulators on the surface for safe and reliable use. It also utilizes high temperature wire leads for durability and excellent performance. With its compact size and easy installation, this small greenhouse heater is suitable for both heating solids and gases. The unit comes with mounting holes and has a lifespan of over 3 years. Enjoy the convenience and efficiency of the PTC Heaters for your heating needs.

The PTC Heaters offers high-quality and efficient heating for a range of applications. Its insulators and high temperature wire leads ensure safe and reliable use. The compact size and easy installation make it a convenient choice for heating solids and gases. However, it is important to be cautious of excessive power draw that may lead to damage. The incorrect critical specification is a drawback, but overall, this product provides satisfactory heating performance. Whether you need to heat your greenhouse, air conditioning unit, dryer, or car, the PTC Heaters is a reliable option.

Ohuhu Mini Greenhouse – Small Plant Green House 4-Tier Rack Stand

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Overall Score: 8.5/10

Looking for a greenhouse to protect your plants and seeds? The Ohuhu Mini Greenhouse is the ideal solution! With a four-tier construction and durable PE cover, this greenhouse provides ample room for your plants and protects them from extreme temperatures. It features a roll-up zippered door for easy access and ventilation, making it perfect for both indoor and outdoor use. The toolless installation makes assembly a breeze, and you can even use it as a plant stand when the outer cover is removed. Whether you're a gardening beginner or a seasoned pro, the Ohuhu Mini Greenhouse is a must-have for any plant lover.

The Ohuhu Mini Greenhouse is a versatile and practical solution for any plant lover. It provides ample room for your plants, protects them from extreme temperatures, and even allows for easy access and ventilation with its roll-up zippered door. With its durable construction and toolless installation, this greenhouse is built to last and can be used both indoors and outdoors. However, some customers have reported quality issues with loose and sharp poles, and there may be problems with the zipper on the top flap. Despite these drawbacks, the Ohuhu Mini Greenhouse is still a great value for its price and a must-have for any gardening enthusiast.

Honeywell 360 Degree Surround Fan Forced Heater

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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.

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.

VIVOSUN Seedling Heat Mat and Digital Thermostat Combo Set

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Overall Score: 8.5/10

The VIVOSUN Seedling Heat Mat and Digital Thermostat Combo Set is a reliable and durable solution for indoor gardening. With its advanced far-infrared heating technology, this heat mat provides a stable and uniform heat for optimal seed germination and growth acceleration. It is made of high-quality PVC material and meets stringent MET standards. The waterproof surface is easy to clean and the mat comes with a carrying bag for convenient storage and transportation. The combo set also includes a VIVOSUN thermostat, which allows for precise temperature control and saves on electricity. This product is versatile and can be used for plant sprouting, home brewing, and terrarium warming. With its innovative heating technology, this seeding heat mat is a must-have for every gardener.

The VIVOSUN Seedling Heat Mat and Digital Thermostat Combo Set is a reliable and durable solution for indoor gardening. It provides optimal heat for seed germination and accelerates plant growth. The mat is made of high-quality material and meets stringent standards. With its advanced heating technology, it is versatile and can be used for various indoor gardening needs. Although there may be some temperature inconsistencies and issues with the thermostat, overall, this combo set is a great investment for any gardener. It saves on electricity and is easy to clean. With its innovative features, it simplifies the process of starting plants before the last frost and allows for effortless plant growth.

Compact and Portable Space Heater with Thermostat

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Overall Score: 9/10

The Space Heater with 1500W of power is a compact and portable heating solution for your home or office. With advanced PTC ceramic heating technology and an ultra-efficient fan, it quickly heats up any space and distributes the heat evenly. You can customize the temperature with the adjustable thermostat and choose from 3 heat settings. It also has a fan-only mode for those days when you don't need heat. The space heater is designed with safety in mind, featuring overheat protection and a tip-over switch. Its ergonomic handle makes it easy to carry and move to any room. Cut down on electric bills by using this energy-efficient and convenient space heater.

The Space Heater is a reliable and efficient heating solution, providing fast and even heat distribution. With its portable design, adjustable thermostat, and energy-saving features, it offers convenience and comfort for any space. While the temperature control dial may lack precision, it is a minor drawback compared to the overall performance. The compact size of the heater makes it prone to tipping over, so caution should be taken. Overall, this space heater is a great addition to your home or office, ensuring warmth and coziness throughout the colder months.

Portable Electric Space Heater with Thermostat

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Overall Score: 8.2/10

The Portable Electric Space Heater with Thermostat is a 2-in-1 heater fan that provides both heat and cool air. It has a thermostat control to maintain a preset temperature and a safety shutoff system for automatic shutoff in case of overheating or accidental tip over. With its compact size and carry handle, it is portable and easy to use. The heater operates quietly and efficiently, heating up to 200 square feet in seconds. It is made of flame retardant material for safety and has a long-lasting life. With its upgraded ABS material, it is more flame-retardant and durable. Overall, this portable electric space heater is a reliable and convenient heating solution.

The Portable Electric Space Heater with Thermostat offers a convenient and reliable heating solution for small spaces. It has a 2-in-1 design, providing both heat and cool air, and features a thermostat control for temperature regulation. The safety features, such as overheating and tip over protection, ensure peace of mind during use. The compact and portable design makes it easy to move and use in various locations. Although there may be some minor drawbacks, such as inaccurate thermostat reading and durability concerns, overall, this heater is a good value for the money. Whether you need extra warmth in your office, bedroom, or camping trip, this space heater can effectively heat up to 200 square feet in seconds.

Amazon Basics 500-Watt Ceramic Small Space Personal Mini Heater – Black

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Overall Score: 8/10

The Amazon Basics 500-Watt Ceramic Small Space Personal Mini Heater is a compact and efficient heater designed for small spaces. It features efficient ceramic coils that heat up in seconds, making it perfect for use at home or in the office. The heater is available in four different colors, allowing you to custom-match it to your decor. With tip-over protection for extra safety, this mini heater is a reliable and convenient choice. Its compact design makes it small enough to place on tables or desktops. Stay warm and comfortable with this powerful and stylish mini heater.

The Amazon Basics 500-Watt Ceramic Small Space Personal Mini Heater is a reliable and efficient heating solution for small spaces. Its compact design and efficient ceramic coils ensure fast and effective heating, while the tip-over protection adds an extra layer of safety. With four different color options, it can easily match any decor. The only drawbacks are the plastic smell reported by some users and the hot metal grate on the front that can pose a risk of burns. Overall, this mini heater is a great choice for anyone looking to stay warm and comfortable in small spaces.

Electric Greenhouse Heater with Digital Thermostat for Grow Tent, Overheat Protection, Fast Heating

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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.

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.

Buyer's Guide: Small Greenhouse Heaters

Throughout the year, nurturing your precious plants in a small greenhouse can be a challenging task due to fluctuating temperatures. To provide the optimal environment, a greenhouse heater is a must-have accessory. This comprehensive buyer's guide aims to assist you in finding the perfect small greenhouse heater for your gardening needs. Let's dive right into it!

Key considerations

• Heating capacity: Determine the square footage of your greenhouse and ensure the heater you choose can effectively warm the entire area.
• Type of heater: Select from different types of greenhouse heaters, including electric, propane, paraffin, and solar-powered heaters, based on your preferences and greenhouse setup.
• Safety features: Look for heaters equipped with safety features such as tip-over and overheat protection to minimize potential hazards.
• Energy efficiency: Opt for energy-efficient heaters that help you reduce heating costs and minimize environmental impact.
• Noise level: Consider the noise level of the heater, as loud heaters may disrupt the tranquility of your greenhouse.
• Portability: If you desire mobility, consider heaters that are lightweight and easy to move around or those that come with built-in handles or wheels.

Types of small greenhouse heaters

1. Electric heaters:
• Provide reliable and consistent heat without any emissions.
• Ideal for greenhouses with a nearby power source.
• Generally quieter and more energy-efficient compared to other types.
2. Propane heaters:
• Suitable for greenhouses without access to electricity.
• Emit a steady heat and can be a good option for larger greenhouses.
• Require proper ventilation for safe use.
3. Paraffin heaters:
• Use paraffin wax as fuel and are a cost-effective option.
• Release heat steadily and are easy to use.
• Not suitable for small or poorly ventilated greenhouses due to potential condensation issues.
4. Solar-powered heaters:
• Harness the power of the sun to generate heat.
• Environmentally friendly and save on energy costs.
• Reliant on sunlight, making them less effective during cloudy or winter days.

Features to look for

• Thermostat: Allows for temperature control, maintaining a consistent and optimal environment for your plants.
• Timer function: Enables you to set specific heating schedules, optimizing energy usage and reducing manual management.
• Fan: Helps distribute warm air evenly throughout the greenhouse, preventing cold spots.
• Digital display: Provides clear and accurate temperature readouts for easy monitoring.
• Remote control: Offers convenience by allowing you to adjust settings without physically reaching the heater.
• Cool-touch exterior: Ensures safety and prevents accidental burns when handling.
• Built-in humidifier: Some heaters come with a humidifier function to maintain adequate moisture levels for specific plants.

Installation and maintenance

1. Location: Place the heater in a central position within the greenhouse for optimal heat distribution.
2. Ventilation: Ensure proper ventilation to prevent moisture buildup and reduce the risk of condensation-related issues.
3. Maintenance routine: Regularly clean the heater according to the manufacturer's instructions to keep it in optimal working condition.
4. Replace components: Replace any worn-out or malfunctioning components promptly to avoid potential safety hazards.
5. Store securely: When not in use, store your heater in a safe place to protect it from dust and humidity.