In this guide we’ll take a look at the best garage heaters for the UK market.
I’ve compared power, design, efficiency and cost
to give you my top recommendations.
What Is The Best Garage Heater?
In a rush? Here’s my top choice…
Super powerful heater for large spaces!
This MODERN LIFE Heavy Duty Electric Assisted Fan Heater can heat areas of up to 200 m³ using 30 kW of power – you certainly won’t have to worry about feeling the chill! The 38 L tank means refuelling is few and far between, and you can choose to use either kerosene, diesel or paraffin depending on your preferences.
Things to Know Before Buying a Garage Heater
Particularly in the cold winter months, it can seem quite unappealing to work in the garage for hours on end. However, there are often tasks that need doing which can’t be neglected just because of a cold snap.
This is where the wonderous garage heater comes into its own – by using a garage heater you can keep your workspace at a pleasant temperature; allowing you to enjoy working away in those outbuildings no matter what the UK winter throws at you.
However, not all heaters were created equally, and it can be a bit challenging to find the best garage heater for the job. That’s why I’ve put together the following information to help you make an informed purchase:
As mentioned, a garage heater will allow you to use your garage space year-round. This is really useful for ensuring you can make the most of all of the rooms in your property no matter the weather – it’s a shame to have to retreat from the garage or shed just because it’s cold!
What’s more, using a garage heater will help keep the items in your garage warm as well. This can be great news for tins of paint and tools, neither of which appreciate being kept in very cold temperatures. Using a heater to create a warmer garage environment can also help your car; car batteries don’t react well to the cold so keeping it warm will help the battery last.
Some of the heaters in this list are entirely powered by electricity, whilst others require fuel, like propane, as well as an electrical input.
Heaters which use a combination of fuel and electricity generally burn the fuel to create heat, and use a fan powered by electricity to disperse it around the space. These heaters can be very powerful, because the electrical power is solely focused on powering the fan, and the fuel on providing heat. They can generally heat quite large areas. For example, the Garden mile 10Kw Industrial Heater can heat areas of up to 200 m².
However, these heaters need to be used in ventilated areas because they are burning fuel and emitting fumes. As a result, they are not suitable for use in spaces with all the windows and doors closed.
Electric heaters do not have the same necessity of being used in a ventilated area because they do not produce any fumes. Therefore, they are well suited for use in small sheds or garages, and all the heat that they produce can be kept inside (with none being lost through open windows or doors). They do not, however, have the same capacity as fuel-powered heaters for heating as large an area.
The simplest way to estimate what size heater you will need is to follow this rule: for every square foot of floor space, 10 W will be required.
So, if your garage is 15 ft², multiply 10 x 15 which gives 150. Then multiply this by 10 which gives 1500, meaning you need a unit that produces 1500 W of power to heat the space.
Gas heaters are measured in BTUs. You can estimate the size of gas heater that you will require by multiplying the required wattage by 3.41. So, again, if your garage measures 15 ft, and will require 1500 W to heat the space, multiply 1500 x 3.41 which equals 5,115 BTUs.
Of course, other factors will affect how much power you need to heat your garage. For example, spaces with high ceilings will require more heating. In addition, the amount of heat required will depend on the insulation of the building as well as if there are draughty window or doors.
Some of the best garage heaters will have adjustable heat settings. This will mean you can choose between different heat outputs, depending on your preferences throughout the day.
For example, the Kingavon BB-FH210 3kW Tilting Workshop Cylinder Heater has three heat settings of 40, 1500, and 3000 W. The lowest setting is great for frost protection, keeping a consistent temperature above freezing which will combat frost. The other temperatures allow you to choose how much heat you want, and also allow you to have control over the heater’s running costs. If you use it on a lower power output, it will cost less to run than on a higher one.
Having a choice of heat settings will result in you getting more use out of your garage heater as you won’t ever feel that you are using more energy than necessary.
An adjustable thermostat is also a great function to look out for in a garage heater. With a thermostat you can set your desired temperature for the room, and the heater will maintain this temperature. Turning off when it is reached, and turning back on when more heat is needed. This is a great feature for making the heater easy to use, as well as economical – you won’t be wasting energy that you don’t need.
Everything We Recommend
More Detailed Garage Heater Reviews
MODERN LIFE Heavy Duty Electric Assisted Fan Heater Review
This MODERN LIFE Heavy Duty Electric Assisted Fan Heater is the best garage heater on the UK market. It’s ideal if you are looking for a powerful heater that can heat up a large area and maintain a precise temperature.
This garage heater runs on kerosene, diesel or paraffin and has a tank capacity of 38 L; you’ll find it can run for ages before needing refilling.
The heater has an output of 30 kW and can heat an area up to 200 m³. The adjustable thermostat means it maintain the room at a desired temperature – no need for you to keep switching it off and back on, plus it will conserve energy.
The heater is also IP24 rated meaning it is splash proof; never a bad attribute when used in a garage or shed.
The build quality on this garage heater is excellent and it is small and light enough to be tucked away in the corner and moved around easily when required.
It’s very effective and really kicks out some heat, warming even large, draughty garages quickly.
Honeywell Heavy Duty Heater Review
This Honeywell Heavy Duty Heater is cased entirely in extremely durable metal housing.
It has a 2.5 kW power output, capacity to widely spread heat, and will protect against frost.
This heater is ideal for garages and workshops up to 30 m²; it provides plenty of heat, warming up an area of this size in just a few minutes. The slimline design makes it easy to tuck away in a corner as well.
This garage heater has a handy ‘Frostwatch’ function which automatically starts the heater going when the room temperature drops below 5°C. This means it’s a useful unit for the greenhouse, and also good to protect paints and machinery in your workshop from freezing.
There are also several safety functions to keep your mind at ease whilst it’s running: it features a heat-insulated handle, overheat protection, child-proof activation and a tip-over safeguard switch. The designers at Honeywell thought of everything!
This is a great slimline, portable heater. It’s one of the best garage heaters for smaller rooms, plus the frost-guard feature makes it handy for the greenhouse and conservatory, too.
Kingavon BB-FH210 3kW Tilting Workshop Cylinder Heater Review
This Kingavon BB-FH210 3kW Tilting Workshop Cylinder Heater features 3 heat settings, an adjustable thermostat and can heat rooms of up to 60 m³.
The three heat settings are 40, 1500 and 3000 W, so you have a lot of scope regarding how much heat you want. On the highest setting it heats up a medium to large space very quickly. The lowest setting could be used as frost protection.
It’s possible to tilt the unit, so you adjust the direction of heat depending on where you want it. What’s more, it’s a good sturdy unit with plenty of safety features. It has overheat protection, so will cut out if it gets too hot, and an IP44 rating which makes it splash proof.
It is also lightweight and portable, with a convenient carry handle that makes it easy to position wherever you want it.
Overall, this is a powerful garage heater that gives you the flexibility of different heat settings and the ability to heat small to medium spaces very effectively.
Garden mile 10Kw Industrial Electric Fan Assisted Space Heater Review
The Garden mile 10Kw Industrial Heater provides a 10 kW of power in a compact unit that is economical to run.
This industrial gas fan heater runs on LPG or propane gas and is ideal for use in workshops and garages.
It heats up quickly and is powerful enough to heat a space of 200 m², though I found it struggled to maintain a good temperature larger spaces so would say it’s more suitable for medium-sized garages and workshops.
The heater is economical to run using only 0.73 kg of gas per hour.
The housing is robust, so this is a good, durable garage heater. Plus, it comes with a regulator, 1.5 m hose and 2 m cable.
You won’t have any problems transporting it wherever you need to; the heater is light and easy to move around with the built-in carry handle. It also features overheating protection for safety.
One thing to bear in mind safety wise is that care should be taken to provide adequate ventilation when using this product. Running off gas, it does emit fumes.
This is a compact but powerful garage fan heater that is suitable for medium sized workshops and garages with adequate ventilation.
Honeywell HZ-510E1 Heavy Duty Fan Heater Review
The Honeywell HZ-510E1 Heavy Duty Fan Heater has a truly stylish design and heats up a space quickly. Plus, it doesn’t use more energy than necessary thanks to its built-in thermostat.
This electric garage heater has an industrial, retro design with a beautiful red paint finish – it will look look great in a conservatory, or any other room in the house, as well as being useful for workshops or garages. The housing feels robust and durable and the unit is sturdy, with stable legs that make it very difficult to tip over.
The garage heater is capable of putting out a lot of heat. It has two heat settings to choose from, and a thermostat to help you get the temperature in your garage just right.
It disperses heat widely and can warm a room of up to 22 m² making it ideal for a shed, workshop or conservatory.
This electric garage heater also has a great range of safety features including tip-over protection, overheat protection and a clever colour-change marker to show when it is hot to the touch.
It’s an effective heater, perfect for heating up a smaller workshop or garage. You’ll end up wanting to use it throughout the house as well though, thanks to its stunning design.
ANSIO 2000W Portable PTC Ceramic Fan Heater Review
The ANSIO 2000W Portable PTC Ceramic Fan Heater is one of the best garage heaters to buy on a budget, perfect for when you occasionally need a boost of heat in a small shed, garage or any room in the house.
This compact heater is ideal for smaller spaces and provides 2000 W of power. You can set it on low or high power and it has an adjustable thermostat. Therefore, you won’t find yourself wasting unnecessary energy by heating a room more than you need to!
There is also a tilt function so you can adjust the direction of the heat. Plus, built-in overheat protection to stop the heater from getting too hot.
This neat little electric garage heater is perfect for keeping your feet warm in a draughty shed or for having on the floor or a table top at home.
Dimplex Fan Heater, 3000 W Review
This Dimplex Fan Heater is a heavy-duty ceramic heater that is robust enough for use in a workshop or garage.
This ceramic garage heater has two high-powered heating elements of 1.5 kW each. It has two heat settings, so you can choose how much power you want to use, and has an adjustable thermostat. You can set the desired temperature and not have to worry about continuously manually turning the unit off and on to maintain it – it will do this automatically!
The heater also has a fan-only option which is handy in the warmer months.
It comes with a 1.5 m cable so you can have some flexibility about where to place it.
The build quality on this garage heater is good and the metal housing feels robust. It also features dust filters which make it perfect for use in the workshop. It is very compact so tucks away easily into a corner of your garage or shed.
This small heater is light, easy to use, and can be put on the floor, bench or shelf. It kicks out a lot of heat for its size making it ideal for the smaller garage or shed.
Garage Heater FAQ
If you have paint and tools inside your garage which you’d like to protect from frost, a garage heater can help. Plus, keeping the garage warm can help preserve your car battery if it is parked in there. And, of course, you may just find that it’s too cold for you to work in your garage as you normally would, in which case a garage heater is indispensable.
To get the most out of a garage heater, position it in the coldest corner of the space facing towards the middle of the garage. This will warm the air in the cold corner and push hotter air towards the centre of the space.
If your garage isn’t well insulated, start by improving the insulation. This will instantly improve the temperature in your garage. Once you’re happy with the insulation, consider buying a garage heater. This will help boost the temperature in the garage, and if the space is well insulated it will retain the warmth for longer.