10 Best 12v Greenhouse Heater for 2025

Sunhouse (Dimplex Group)

• 80W tubular heater including wall mounting brackets
• Built in thermostat
• Approx 2ft in length (713mm Total length)
• Designed for continuous operation
• Splash proof to IPX4 standard

Prem-i-air

• The compact and contemporary 400 W Heater helps to protect pipes and plumbing against frost and ice. The adjustable thermostat can be set for frost protection or heating as required. It is ideal for utility rooms, garages, sheds and caravans.
• Type UK Model.

Ecoheater

• Efficient low-cost 55W tube heater with built-in thermostat which minimises energy usage
• Easy to fit and supplied with brackets for wall mounted or floor standing operation and 1.5m push-fit cable and UK PLUG which can be disconnected when the heater is not in use
• Matching Slimline safety guard also available to buy separately HHG205 *Highly recommended* complete with cut out for access to alter thermostat setting.
• IP44 rating for water resistance Fully CE certified and BS EN 60335/1:2002 compliant. Feature automatic heat sensitive cut-out
• Manufactured in high quality seamless tube with easy-clean, white enamel finish

PK Green

• SOLAR POWERED FAN: High quality 12V DC fan with 20W solar panel by PK Green
• PORTABLE 12-INCH COOLING FAN: Perfect for car, caravan, greenhouse, shed ventilation, motorhome, campervan, boat, home
• SOLAR PANEL INCLUDED: Monocrystalline, weatherproof 20W solar panel included to power the fan
• MAINS ADAPTOR INCLUDED: Can use on cloudy days or indoors with mains adaptor. Can also be powered by 12V battery (not included)
• FAN SPECIFICATIONS: 3 speed settings. 60-minute timer. Dimensions: 39 x 38 x 15cm. WHAT YOU GET: Solar fan, 20W solar panel with 3m cable, 1.5m cable with crocodile clips

Bio Green

• Floor-standing heater, IPX4 splash-proofing
• 2000 W heating output
• Very inexpensive to operate
• With digital thermostat
• Measures 280 mm length by 195 mm width by 315 mm height

HyLite

• ✓ SAVE MONEY ON YOUR HEATING BILLS WITH OUR ECO TUBE HEATERS - These tube heaters are a cost effective way to heat your room. Our tubular heaters are a great heat source to take the chill out of the air. They each have an in built safety thermostat to regulate the room temperatures.
• ✓ PREVENT DAMP CONDENSATION & FREEZING - Fitting an eco tube radiator in your room can save you time and money by preventing damage caused by the cold. Choose the right size and stop condensation build up on windows and walls. Used for green house, caravans, boats, kennels, out buildings and bathrooms/toilets.
• ✓ INBUILT SAFETY FEATURES - Awarded IP44 rating for water resistance and manufactured in high quality seamless tube with easy-clean, white enamel finish. The HYLITE tubular heater is fitted with an adjustable thermostat which allows you to control the heat output. When your desired temperature is reach the thermostat automatically switches off.
• ✓ THE PERFECT SIZED TUBULAR HEATER - The HYLITE low energy slimline tube heater is available in three 3 sizess 50cm 100cm 150cm . As an extra safety precaution we sell the HEATER GUARDS (extra). Each different sized tube heater has a different power output.
• ✓ JOINS 1000'S OF SMART HAPPY CUSTOMERS USING OUR HYLITE HEATING SYSTEMS - Our customers know that the HYLITE brand means quality. The HYLITE range of tubular heaters with thermostat are eco friendly and save you money on your electricity bills and prevent damp & condensation. We offer email support 24/7 + get a 100% money back guarantee if you're not happy.

HyLite

• ✓ SAVE MONEY ON YOUR HEATING BILLS WITH OUR ECO TUBE HEATERS - These tube heaters are a cost effective way to heat your room. Our tubular heaters are a great heat source to take the chill out of the air. They each have an in built safety thermostat to regulate the room temperatures. 
• ✓ PREVENT DAMP CONDENSATION & FREEZING - Fitting an eco tube radiator in your room can save you time and money by preventing damage caused by the cold. Choose the right size and stop condensation build up on windows and walls. Used for green house, caravans, boats, kennels, out buildings and bathrooms/toilets.
• ✓ INBUILT SAFETY FEATURES - Awarded IP44 rating for water resistance and manufactured in high quality seamless tube with easy-clean, white enamel finish. The HYLITE tubular heater is fitted with an adjustable thermostat which allows you to control the heat output. When your desired temperature is reach the thermostat automatically switches off.
• ✓ THE PERFECT SIZED TUBULAR HEATER - The HYLITE low energy slimline tube heater is available in three 3 sizess 50cm 100cm 150cm . As an extra safety precaution we sell the HEATER GUARDS (extra). Each different sized tube heater has a different power output.
• ✓ JOINS 1000'S OF SMART HAPPY CUSTOMERS USING OUR HYLITE HEATING SYSTEMS - Our customers know that the HYLITE brand means quality. The HYLITE range of tubular heaters with thermostat are eco friendly and save you money on your electricity bills and prevent damp & condensation. We offer email support 24/7 + get a 100% money back guarantee if you're not happy.

Zerodis

• 【Material】Made of aluminum, energy saving, environmental protection, sturdy to use.
• 【Safe & Reliable】It will not burn, safe and reliable, no redness and flame while PTC is heating.
• 【Automatic Control Temperature】Rapid temperature rise, it can also control the temperature automatically when the fan break down.
• 【Saving Cost】Power saving and low cost, long service life.
• 【Application】Suitable for humidifier, car, air conditioning and other commonly used electrical appliances.

LightHouse

• Protects plants against sudden temperature and humidity fluctuations
• Uses less than 50w per foot which is similar to an ordinary light bulb and 25% less than most similar tube heaters
• Provides a stable environment
• Available in 45w, 80w and 135w versions

Warmlite

• Stay surrounded in utmost comfort with the 1000 W and 2000 W heat settings with fan option, ideal for summer and winter months
• Adjustable thermostat to suit your required temperature with cool, warm and hot air selection
• Overheat protection and safety tip over switch for optimum safety when in use
• Can be used upright or flat for utmost convenience
• Power indicator light
• Comes with 1 year guarantee, register your product online to get extended 2 year warranty
• Warning: This product is not to be used with an extension lead