Best Greenhouse Heaters of 2026
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Greenhouse heaters are a practical and efficient solution for keeping your greenhouse warm during colder months. These heaters come in various sizes and types, including electric, gas, and paraffin heaters. They are designed to provide a stable and consistent temperature in your greenhouse, which is essential for the healthy growth of plants. By investing in a quality greenhouse heater, you can extend your growing season and protect your plants from the cold. Whether you are a professional or a hobby gardener, a greenhouse heater is a must-have for any greenhouse owner.
At a Glance: Our Top Picks
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Top 6 Greenhouse Heaters
LightHouse 2kW Greenhouse Heater with Thermostat
The LightHouse Greenhouse Heater is designed to create a stable environment for your plants. With its thermostat, it ensures consistent temperatures, giving your hydroponic plants the best chance to thrive. This versatile heater not only warms your greenhouse but also maintains optimal conditions in your garden shed. It offers energy-efficient heating with three modes, allowing you to select the power level that best suits your needs. The smart temperature control keeps the range between 0°C to 85°C, ensuring your plants receive the ideal warmth.
Dimplex ECOT2FT Foot Tube Heater with Thermostat
The Dimplex ECOT2FT Heater is ideal for providing background heat and protecting against frost. With its built-in thermostatic control, you can enjoy energy efficiency while maintaining the perfect temperature. The discreet wall mounting brackets come with reversible cable entry, ensuring a tidy installation. Additionally, the heater is IPX4 rated, making it splash resistant and safe to use in various environments. This makes the Dimplex ECOT2FT a practical choice for anyone looking to enhance their heating solutions.
LightHouse ECOH-135 135W Greenhouse Heater
The LightHouse ECOH-135 Heater is designed to protect your plants from sudden temperature and humidity changes. By using less than 50 watts per foot, it operates similarly to an ordinary light bulb and is 25% more efficient than most similar tube heaters. This means you can maintain a stable environment for your plants without incurring high energy costs. Available in different wattages, you can choose the version that best suits your greenhouse's needs.
Bio Green PAL 2.0 2KW Digital Heater
The Bio Green PAL 2.0 Heater is designed to efficiently warm spaces up to 12 m², making it ideal for greenhouses. With its precise temperature control, you can maintain your desired warmth, as the thermostat automatically manages the heater's operation based on the set temperature. The air circulation mode is particularly useful for preventing mould by keeping air flowing, while its quick air circulation ability efficiently moves up to 163 m³ of air per hour, saving you on electricity costs. This heater is built to last, with a durable stainless steel housing.
Hylite Slimline Ecoheater Tube Heater with Thermostat
The Hylite Ecoheater Tube Heater is designed with your comfort in mind. Its automatic safety shutoff feature ensures that you can use it without worrying about overheating. This heater is particularly effective at preventing damp and mould, making it ideal for compact spaces like bathrooms and conservatories. With its built-in thermostat, you can enjoy consistent warmth at your preferred temperature. Additionally, it is energy efficient, helping you to save on heating costs while maximising warmth when you need it most.
Morris Tubular Heater for Greenhouses and Bathrooms
The Morris Tubular Heater is available in various lengths, including 1ft, 2ft, 3ft, and 4ft, making it ideal for low wattage heating needs. With built-in 90° thermostat cut out, it ensures safety by preventing overheating, giving you peace of mind. Its weatherproof IP55 rating protects against dust and water, making it suitable for use in various environments. This versatility allows you to install the heater in different rooms, including bathrooms and greenhouses, providing warmth where you need it most.
Frequently Asked Questions (FAQs)
1. What kind of heater do I need for a small greenhouse?
Electric Space Heaters Not to mention they are a clean source of heating for your greenhouse. And because they are clean and safe, a majority of gardeners use electric space heaters. They are quite efficient and are designed to quickly heat a greenhouse. Plus, they can be used to heat a small greenhouse.
2. Are greenhouse heaters expensive to run?
Unfortunately, these heaters are the most expensive to buy, and the most expensive to run too, especially if you're turning it on all night, every night, in winter, and then there is the environment to think of on top of that.
During our greenhouse heater research, we found 90 greenhouse heater products and shortlisted 6 quality products. We collected and analyzed 31,835 customer reviews through our big data system to write the greenhouse heaters list. We found that most customers choose greenhouse heaters with an average price of £20.00.
The greenhouse heaters are available for purchase. We have researched hundreds of brands and picked the top brands of greenhouse heaters, including LightHouse, Dimplex, Bio Green, HYLITE, Morris.
Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.