10 Best Greenhouse Heaters in The UK

Last updated on 10/06/2025

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Best Choice

9.8

Exceptional

Bio Green

Biogreen PHX 2.8/GB Phoenix Electric Fan Heater 1.0/ 1.8 /2.8KW

Free Shipping

Why We Love It

Adjustable heat output options.
Heating and cooling settings.
Spray waterproof IPX4.

Main Highlights

TWO SEPARATELY ADJUSTABLE HEATING ELEMENTS: 1000 watts or 1800 watts or 2800 watts power. The heater is ideal for rooms up to 20 m² with an average height of 2 m.
STEPLESSLY ADJUSTABLE THERMOSTAT: The thermostat automatically starts and stops the heater when the desired temperature is reached. The temperature range is from 0 - 26 C°.
AIR CIRCULATION MODE AGAINST MOLD: Activating the air circulation mode turns the heater into a fan. The air movement with 53 W / 180 BTUs prevents mold formation and heat buildup around plants.
QUICK AND EVEN AIR CIRCULATION: The air circulation heater is very efficient and easily circulates up to 160 m³ of air per hour. Since the heater does not run as long, you save electricity and money.
STAINLESS STEEL HOUSING: The mobile heater is very durable thanks to its sturdy construction. It can withstand shocks without issues. The housing is made of stainless steel and can be placed on the floor or hung up.
SPLASH-PROOF ACCORDING TO IPX4: Thanks to splash protection, the heater can be safely and reliably used in damp rooms. It can also withstand rain and irrigation water without any problems.

Bio Green PAL 2.0/GB 2KW Palma Heater with Digital Thermostat

Free Shipping

Why We Love It

Powerful 2000 watts performance.
Prevents mold formation effectively.
Durable stainless steel housing.

Main Highlights

ONE BIG ADJUSTABLE HEATING ELEMENT: 2000 watts power. The heater is ideal for rooms up to 12 m² with an average height of 2m.
PRECISE TEMPERATURE CONTROL: The thermostat automatically starts and stops the heater when the desired temperature is reached. The temperature range is from 0 - 60 C°.
AIR CIRCULATION MODE AGAINST MOLD: Activating the air circulation mode turns the heater into a fan. The air movement prevents mold formation and heat buildup around plants.
QUICK AND EVEN AIR CIRCULATION: The air circulation heater is very efficient and easily circulates up to 163 m³ of air per hour. Since the heater does not run as long, you save electricity and money.
STAINLESS STEEL HOUSING: The mobile heater is very durable thanks to its sturdy construction. It can withstand shocks without issues. The housing is made of stainless steel and can be conveniently transported with the foldable carrying handle.
SPLASH-PROOF ACCORDING TO IPX4: Thanks to splash protection, the heater can be safely and reliably used in damp rooms. It can also withstand rain and irrigation water without any problems.

LightHouse 2kW Greenhouse Space Heater with Temperature Control Quiet Fan and Heater for Garden Workshop, Garage, Warehouse, Green

Why We Love It

Reliable and user-friendly heater.
Offers regulated heating control.
Variable fan settings available.

Main Highlights

This greenhouse heater with thermostat provides a stable environment for plant growth. Benefit from consistent temperatures that give your hydroponic plants the best chance to thrive.
🌳 Garden Shed & Greenhouse Heating: Not just a space heater, but also a greenhouse heater that maintains optimal conditions for your garden shed. Keep your plants and tools in good shape all year round.
🔥 Energy Efficient Heating: Choose from three modes—fan only, half power (1KW), or full power (2KW) to suit your needs. Whether you need a low wattage heater or a full-power workshop heater, we've got you covered.
🌡️ Smart Temperature Control: Thermostatically controlled for precise temperature management. Maintains a range from 0°C to 85°C, making it an excellent choice for greenhouse heater.
🛠️ Durable and Quiet heater fan: Made from stainless steel and coated with protection oil. Operates quietly, it’s unobtrusive whether you’re using it as a garage heater or room heater.

Mylek Tubular Heater 135W - 1050mm - Low Energy Tube - Built in Thermostat And Mounting Brackets Greenhouse, Garage, Caravan (105cm, 135W)

Why We Love It

Energy-saving and low-cost heating.
Perfect for multiple locations.
Comes with two-year warranty.

Main Highlights

MYLEK THERMOSTAT TUBULAR HEATERS: Perfect design for applications that require safe, energy-saving low-cost heating and low wattage background heating for localised frost protection or as window de-misters
LOCATIONS: Perfect for use in greenhouses, garages, sheds, kennels, portable buildings, summerhouses, conservatories, walk-in wardrobes, lofts, caravans and more
FEATURES: Easy to adjust thermostat with built in auto reset safety cut-out and IP44 waterproof rating makes this one of the safest tubular heaters on the market. Along with its discreet easy to fix brackets that can be either wall or floor mounted
ADDED EXTRAS & 2 YEAR WARRANTY: The Mylek Tubular Heaters are fully CE/UKCA certified and RoHS compliant to the highest UK standards. Also comes with a handy two year warranty and excellent UK customer service support
SPECIFICATION: Heating Power (Btu/hr) 410 - Heating Power (Kcal/hr) 104 - Wattage 135W - Consumption (kW/hr) 0.06~0.12 - Thermostat (℃) 90 - Heating Area (m2) 7.5 - Input (V/Hz) 220~240V/50~60Hz - Dimentions including wall/floor bracket (mm) Length 1050 X Width 100 X Depth 103 - IP44 Water Protection Rated - Weight 1.15kgs

Dimplex ECOT2FT Tubular Heater - Foot Tube with Built In Thermostat - Mounting Brackets Included White/Grey

28% Off

Why We Love It

Ideal for maintaining optimal temperatures.
Promotes energy efficiency via thermostatics.
Trustworthy, efficient, and durable.

Main Highlights

Ideal for background heat and frost protection
Thermostatic control for energy efficiency
Discreet wall mounting brackets with reversible cable entry
IPX4 rated: splash resistant and fitted with British standard plug and 1.5m cable
Brought to you by Glen Dimplex Group, the trusted name for energy efficient electrical heating, ventilation and cooling for over 70 years. 1 year guarantee included

Tubular Heater 1ft, 2ft, 3ft, 4ft Tube Heater Green house Bathroom Conservatory (1FT (60w))

20% OffFree Shipping

Why We Love It

Versatile mounting and placement options.
Built-in safety thermostat feature.
Weatherproof for diverse environments.

Main Highlights

Available in 1ft, 2ft 3ft and 4ft lengths these tubular heaters are perfect for low wattage heating as they come in the following wattages 60w, 120w, 180w and 240w.
Built in 90° thermostat cut out– There is a protective thermal cut out to prevent any overheating within the tube.
Weatherproof IP55 – Morris Tubular Heater come IP55 rated which protects against dust ingress, solid objects and water.
Used for many applications these tubular heaters can be mounted in any room including Bathrooms, Greenhouses, gardens, pet rooms, bedrooms and cupboard but to name a few.
Surface mount brackets come as standard with this product for easy installation by either floor mounting or wall mounting. Simply slide the brackets together, screw into your application and clip the heater into place.

Trendi Large 4.5L Paraffin Super Warm Heater with 4/8L Oil Single Burner Warmer Greenhouse Green House Plant Seeding Garden Oil Lamps Paraffin Oil (Paraffin Heater + 8L Premium Paraffin Oil)

Why We Love It

Clean-burning, low sulfur option.
Up to 80 hours burning.
Perfect for greenhouse heaters.

Main Highlights

Premium Paraffin comes in 4/8 litres. Perfect for use in for Garden Oil Lamps Paraffin Oil for Greenhouse Heaters, Garden Heaters, Lamps and Torches, Oil Heaters, Oil Lamps, Burners.
Premium Paraffin High Quality Oils, Premium Paraffin is a Clean-Burning, low Sulphur, High Smoke Point Liquid Fuel.
4.5L Paraffin heater : Keeps your greenhouse frost free to protect your plants from frost damage
4.5litre capacity paraffin tank,burns for up to 80 hours from one filling
Large flat wide base for good stability,Frost-free protection for up to a 6x8 greenhouse
Adjustable brass plated twin wick burner

Trendi Large 4.5L Paraffin Super Warm Heater Single Burner Warmer Greenhouse Green House Plant Seeding

Why We Love It

Protects plants from frost damage.
Offers up to 80-hour burn.
Ensures stability with wide base.

Main Highlights

Keeps your greenhouse frost free to protect your plants from frost damage
4.5litre capacity paraffin tank,burns for up to 80 hours from one filling
Adjustable brass plated twin wick burner
Large flat wide base for good stability,Frost-free protection for up to a 6x8 greenhouse
Fuel required: premium paraffin.

Hylite Slimline Ecoheater Tube Heater with Thermostat White 300mm 28W

17% OffFree Shipping

Why We Love It

Compact size offers versatile placement.
Built-in thermostat prevents dampness.
Features automatic heat cut-out.

Main Highlights

AUTOMATIC SAFETY SHUTOFF - Prevents overheating for safe, worry-free use; CE-certified and IP44-rated for water resistance.
PREVENTS DAMP & MOULD - Perfect for compact areas such as bathrooms and conservatories, effectively reducing moisture to protect your home.
BUILT-IN THERMOSTAT - Maintains the ideal temperature, delivering consistent warmth when you need it most.
ENERGY EFFICIENT - Maximises warmth while minimising energy expenses, helping you save on heating costs.
EASY INSTALLATION - Includes a 1.5m cable and plug, with flexible options for both floor and wall mounting, ensuring simple setup in any location.

LightHouse ECOH-080 ECOHEAT 80W Greenhouse Heater | Temperature Control | Eco-Friendly | Quiet Heater for Garden Workshop, Garage, Warehouse. 608mm, Green

20% Off

Why We Love It

Protects against temperature fluctuations.
Highly energy-efficient heating option.
Provides a stable environment.

Main Highlights

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

8.7

Excellent

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We scanned 159 products

We reviewed these offers relevant to the Greenhouse Heaters within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Bio Green, LightHouse, MYLEK, Dimplex, Morris, Trendi, HYLITE, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Greenhouse Heaters in the market, we considered we took a deep dive into 796 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Biogreen PHX 2.8/GB Phoenix Electric Fan Heater 1.0/ 1.8 /2.8KW. We love many things about this product by Bio Green. What sets it apart from the competition is Adjustable heat output options, Heating and cooling settings, Spray waterproof IPX4.
The best value product for most shoppers and where user satisfaction is continuously the highest is Bio Green PAL 2.0/GB 2KW Palma Heater with Digital Thermostat by Bio Green based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Greenhouse Heaters and the best cost-to-value ratio is Dimplex ECOT2FT Tubular Heater - Foot Tube with Built In Thermostat - Mounting Brackets Included White/Greyat Dimplex with a 28% discount.
Our list of the best Greenhouse Heaters is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Greenhouse Heaters in The UK

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We scanned 159 products

We concluded that: