The Best Shed Heaters: Tested (2022 Review UK) (2022)

Harry Duncton

B075WZJ63J

8438639001808

Best free-standing shed heater

ProBreeze Mini Ceramic Fan Heater

Harry Duncton

B07T9YLJ8P

0712885850044

Best wall-mounted shed heater

DONYER POWER Wall Mounted Infrared Space Heater

Shed Heaters Price Comparison

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The Cheapest Shed Heater Prices Found Today

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Prices last updated: 31 August, 2022

How to Choose The Best Shed Heater

Section Contents

  • The Different Types of Heater
  • Convection or Radiation Heaters
  • Safety Precautions

Whether you use your shed as a home office, or want somewhere to warm up after a cold morning gardening, there are plenty of low-cost garden heaters that will keep out the chill. Heaters can also ensure that plants, tools and paint don’t freeze during winter.

They don’t have to be used exclusively in sheds either, and can be a valuable addition to garages, summerhouses, conservatories and greenhouses as well.

There are several types of space heater to choose from, including: electric radiators, fan heaters, halogen heaters, tubular heaters, propane gas heaters and paraffin heaters. Many of these are very efficient and don’t cost too much to run.

A paraffin heater or gas heater will allow you to heat a shed or greenhouse to keep it above freezing even if you don’t have an electricity supply to the building.

Finding the best shed heater will depend what you need it for, so the following information should help you work out which one to choose:

The Different Types of Heater

There are several different types of garden heater. They all have different attributes and varying advantages and disadvantages. Here are the different styles of space heater available and what they’re best used for:

Electric Heaters

You’ll be spoilt for choice when it comes to choosing an electric space heater as there are loads of styles available.

Electric Radiators

Electric radiators are generally considered to be the most energy efficient type of convection heater. Heaters that use convection warm up the air in a room, instead of just heating up surfaces via radiant heat whilst they’re on. As a result, when using an electric radiator, the overall temperature of the room will increase.

Even when the radiator is switched off, the room will remain warm for some time (depending on how draughty it is) which helps these heaters be energy efficient. This isn’t the case with space heaters that use radiant heat.

Electric radiators are a safe, versatile and cost-effective way to provide heat in a variety of situations.

Fan Heaters

An electric fan heater provide instant heat and can warm up a small room relatively quickly. They’re good at circulating air, and work continuously to heat cold air and create warm air.

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However, an electric fan heater is more power hungry than a lot of other space heaters. The electric fan tends to use a lot of energy, and so does heating the air. This means they are more suitable for quick blasts of heat for short periods, rather than keeping a room warm all day.

If you buy an electric fan heater, you should be careful about power consumption – it can be tempting to leave them on for long periods which can wind up being quite expensive. Look for an electric fan heater with a thermostat to help keep costs down; these will save on power by turning off when the desired temperature is reached.

Halogen Heaters

These heaters use halogen bulbs to provide heat. They’re infrared heaters and are often used in outdoor pub areas. Smaller versions are available for home heating.

They use radiant heat, which means they heat surfaces instead of the air. As a result, you will feel warm when sitting in the glow of infrared heaters, but cooler as soon as they’re turned off.

A halogen heater is generally relatively cheap to run, and if they come with two or more bulbs, you can choose how many bulbs to have on, and therefore how much power to use. This gives you control over how much it will cost to run your halogen heater.

Often, halogen bulb heaters come with some built-in safety features, so this is something to look out for. For example, many will cut out if they are tipped over or fall.

Infrared heaters with halogen bulbs require some maintenance because the bulbs will need to be replaced from time to time. However, halogen bulbs are generally long lasting.

Low-Energy Tube Heaters

If you simply want to keep a room or outbuilding frost free, then a low-energy tube heater is a good option to consider.

These are designed to provide steady heat and protect rooms from frost, condensation and damp. If you need to keep your greenhouse, shed or garage frost free then these are a simple, low-cost solution.

They are best used in relatively small sheds, no bigger than 2.4 x 1.8 m (8 x 6 ft); however, more than one tube heater can be used if you have a larger space.

They will not make the shed feel particularly warm, and probably won’t turn it into a comfortable environment to work in during winter,but they can protect plants from frost and stop tools from being damaged by freezing temperatures.

Paraffin Heaters

Paraffin heaters are the best garden heaters to buy if there is no electricity supply available.

Paraffin heaters are also referred to as kerosene heaters; paraffin is a slightly more refined form of kerosene.

Paraffin/kerosene heaters are cheap to buy, simple to use and reasonably cost-effective to run. Modern paraffin heaters are also relatively safe to use, though you should follow all instructions and safety guidelines provided by the manufacturer carefully. One drawback is that you will have to buy, store and safely dispose of paraffin, which can be an extra fuss for those who aren’t used to doing so.

Paying an electrician to install an outside mains power supply in the garden might be worth considering. This can make many aspects of gardening easier, not just heating. As well as giving you the option to use electric heating outside, an outdoor socket can be useful for running power tools and lighting as well.

Gas Heaters

Gas powered heaters run on either butane or propane gas. Butane and propane heaters are another good option if there is no electricity supply. However, gas heaters shouldn’t be used in enclosed areas so they are not as effective for keeping a shed warm (particularly whilst you are working in it).

You’ll need to keep a window or door open for ventilation with butane/propane heaters which can negate the reasons for using a space heater in the first place.

Convection or Radiation Heaters

Not all heaters go about heating in the same way.

Heaters that use ‘convection’ heat up the air around the heater. Once that air is warm, it rises pushes cooler air out of the way. This process creates a cycle of warm air moving through the space.

Heaters that heat via convection: electric radiators, fan heaters, tube heaters and paraffin heaters.

On the other hand, heaters that use ‘radiation’ do not focus on warming up the air. Instead, they use direct heat to warm any objects in front of them.

Heaters that heat via radiation: halogen heaters.

As a result, convection heaters are generally better for heating a room, whereas radiation heaters are better at providing quick blasts of direct heat when you feel you need it.

Safety Precautions

Be aware that there are some health concerns connected with using a paraffin heater in an enclosed space. Mainly because, through their process of fuel burning, they release pollutants such as carbon monoxide, nitrogen oxides and sulphur dioxide. As a result, it is generally recommended to use these heaters with a window open.

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Avoid leaving heaters switched on and unattended as much as possible. Although many of the best heaters have safety functions, generally meaning they will turn off if they start to overheat, you can never be too careful when it comes to a heating device.

Shed Heater FAQs

I need to keep my garage frost free to ensure my freezer and dehumidifier work properly. What type of heat source would you recommend?

To keep an area frost free, low-energy tube heaters are a good option to consider. Electric tube heaters are an efficient heating option that cost very little to run and are capable of keeping small spaces, like garages, above 0°C. Depending on the size of your space, you may need to buy two. This is often the case in areas that are bigger than 2.4 x 1.8 m (8 x 6 ft). These electric heaters can be wall mounted or floor standing, and you can also buy protective metal housings for them – this can be a good idea if there is a chance that children or pets will come near them.

What type of heater should I use to keep my rabbit house warm over winter?

There are a couple of options that will work in this situation. You should bring the rabbit hutch inside, into either a shed or garage and work on heating the space to keep the hutch warm.

Make sure that whichever heating option you choose is safe to use in an enclosed space. The first option to consider is a low energy tube heater that will keep the room frost free. Low energy electric heaters will keep the temperature inside a small shed above 0°C even when the temperature outside is below freezing. Metal housings can be bought for these to make sure pets and children can’t get too close to them – they get quite hot to the touch.

The other option is to use an oil-free radiator with a frost-free setting which will also be safe and economical to run.

Will the tools in my shed be damaged by freezing conditions over winter?

Damp, freezing conditions can have an adverse effect on a range of items in your shed. Paints can freeze, metal tools can rust, and plastic parts can become brittle. In addition, the grease and other lubricants in power tools can freeze as well.

You only need to keep the shed just above freezing to prevent this damage, so should look for a heater that will protect the space from frost. Low-energy electric heaters are normally the most cost-efficient and effective way to do this.

Before using any tools, you should allow them to warm up to room temperature.

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About Your Guide

  • Harry Duncton

    Harry Duncton is a jack of all trades with experience ranging from carpentry and furniture restoration to tree surgery and gardening. Happiest when found in his shed, he hopes his daughter will find a passion for making things as well.

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FAQs

What is the most economical way to heat a shed? ›

While water-based underfloor heating systems are available, electric underfloor heating systems are often better for sheds. Halogen heaters – An energy-efficient option, halogen heaters use halogen elements instead of electrical coils. They require a bigger initial outlay, but over time they are very affordable to run.

What heater can I use in a shed? ›

Portable halogen heaters are powered by electricity (either from either the mains or solar power). It gets its name from its use of halogen lamps. Halogen heaters come in different sizes, making them a suitable shed heater no matter how large or small your garden building.

How do I make my shed warmer in the winter? ›

The headlines, though, are right here:
  1. Insulate the floor, ceiling and walls with foam boards.
  2. Use electric radiators.
  3. Use electric fan heaters.
  4. Use a halogen heater.
  5. Underfloor heating.
  6. Solar-powered heaters.
  7. Professionally installed log burner.
5 Dec 2021

Whats the best way to heat a shed? ›

If you want to heat your shed, you can add insulation, bring in different types of heaters, and/or bring in different kinds of stoves. The best way to heat a shed is to use a portable electric heater, as these are easy to use, less hazardous, and do not require having electricity in your shed.

What type of electric heater is most efficient? ›

Infrared panels

These heaters provide all of their heat output through infrared warmth, making them super-efficient for homes and businesses. None of their heat is lost to air movement, allowing them to boast a very impressive 100% efficiency, as they convert every watt of energy taken from the wall into usable heat.

Which type of heater is cheapest to run? ›

Generally speaking, Halogen heaters are one of the most inexpensive types of electric heater. They average around 1200W in terms of power output and because they provide instant-heat at close quarters, you shouldn't need to leave them on for long periods of time.

Which heater does not burn oxygen? ›

Apart from that best option is to buy oil based room heater. In Oil heaters only oil is heated and through radiance hot oil temperature is conducted in air, hence there is no burning of oxygen and humidity.

What size heater do I need for my shed? ›

Use Electric Heaters

For instance, a 10 x 10-foot room is 100 square feet. If the heating capacity of the appliance isn't apparent, the rule of thumb is that you'll need 10 watts for each square foot. A 1,500-watt heater is sufficient for a 150-square-foot room.

What is the best way to heat an uninsulated garage? ›

So what's the best way to heat an uninsulated garage? Use propane heaters for high powered, silent and odorless heat. Opt for a radiant style for a small-medium garage, or a torpedo style for a larger space. For an electric option use infrared heating as it's more durable.

Is it safe to use a calor gas heater in a shed? ›

They're Safe Too

Like with any approved gas or electrical appliance, portable gas heaters are designed to meet rigorous safety standards.

Is ceramic heater better than infrared? ›

Ceramic heaters lose a good portion of their heat to convection, which heaters the air around them rather than directly heating the target. On the other hand, the energy produced by quartz heaters goes directly to the target without losses to the air. Quartz infrared heaters offer very fast heat-up and cool down times.

What are the best portable electric heaters? ›

The best space heaters you can buy today
  1. Lasko FH500. Best overall. ...
  2. Vornado VH200 Heater. Best value. ...
  3. Dr. Infrared Heater DR-998. ...
  4. Dyson Purifier Hot + Cool HP07. ...
  5. Amazon Basics Small Space Heater. ...
  6. Honeywell 360 Degree Surround Heater. ...
  7. Heat Storm Phoenix Infrared Space Heater. ...
  8. Vornado VHEAT Whole Room Vintage Heater.
30 Aug 2022

How do I choose a heater? ›

The most important things to consider when buying a space heater are the size of the space you want to heat and the heater type such as fan-forced heating, convection, radiant, and micathermic heating types. Other considerations include safety and convenience features.

How do you heat an uninsulated shed? ›

Here are 5 ways to heat an uninsulated shed:
  1. Install transparent sheeting on the roof.
  2. Place a space heater in the shed.
  3. Use a portable electric heater.
  4. Use a mushroom heater.
  5. Install infrared heat bulbs.
21 Apr 2022

Is there a solar powered heater? ›

Solar air heaters are not as commonly available as conventional space heaters (yet), but they are beginning to catch on in popularity due to how incredibly energy efficient they are, especially when compared to even the most energy efficient conventional space heaters.

Can you heat a shed without insulation? ›

Since they are usually built without sufficient insulation, heating a shed in the winter will require some modifications to produce a comfortable environment without overheating the space.

What is the best way to heat a summerhouse? ›

There are some options available:
  1. Electric oil filled radiators are often recommended for quick, effective and affordable heating. ...
  2. Electric convection heaters are also popular. ...
  3. Electric radiators are wall mounted. ...
  4. Infrared mainly just produce infrared radiation which will heat the person, but not the air.
3 Sept 2017

How much does it cost to heat a shed? ›

Your shed is also going to need to be wired for 240 volts, as electric heaters require a significant expenditure of energy. At peak heat – 5000 watts – this heater will cost you about $2.50/day with an average run time of 5 hours. If you plan on spending lots of time in your shed in the winter, this cost can add up.

What is better than storage heaters? ›

In most cases, an electric radiator is cheaper and more energy efficient than a storage heater. There are several ways you can improve how energy efficient both are: Ensure you're on the right home energy deal that suits your usage. Both electric radiators and storage heaters use electricity.

Are ceramic heaters cheap to run UK? ›

They are energy efficient

This means less energy is required to produce more heat so they are economical to run and better for the environment – certainly more so than burning fossil fuels like gas. The efficiency of a ceramic heater varies between 85-90% which compares very favourably to other types of heater.

What is the most economical form of heating? ›

Gas and Oil. Electric heaters that are powered by the main electricity supply are very efficient in terms of how they convert energy into heat. In fact, electric heaters are 100% efficient.

Do electric heaters use a lot of electricity UK? ›

Electric heaters are all considered to be 100% efficient, because they turn all the electricity they use into heat, but this does not mean they are cheap to run. To calculate the running cost you need to look at the power rating of the heater, shown in kilowatts (kW).

How much does it cost to run a 500 watt heater for 24 hours? ›

Per Hour And Per 24 Hours Cost Of Running A 500W – 5,000W Electric Heater (Table)
Electric Heater Wattage:Running Cost (Per Hour)Running Cost (For 24 Hours)
500 Watts$0.07$1.68
750 Watts$0.10$2.40
1,000 Watts$0.13$3.12
1,250 Watts$0.17$4.08
5 more rows

How much does a 2000W heater cost to run UK? ›

Electric heaters show how much energy they use as their heat output. For example, a 2kW fan heater would cost 68p an hour to run on full power (34p x 2kW). Over a four-hour evening, this would be £2.72 (68p x 4 hours), and over a week, £19.04 (£2.72 x 7).

Which type of heater is good for health? ›

Oil-filled heaters are a viable option for patients with respiratory disorders, although they're about 10 times more expensive than the most basic rod heater. Oil-filled heaters have pipes filled with oil. The air doesn't dry out because it's passing over hot liquid oil to soak up heat.

Do ceramic heaters reduce oxygen? ›

Radiative ceramic space heaters give off more natural and long-lasting heat and do not increase the humidity level and reduce the oxygen content of ambient air and promote the growth of molds and mildews.

Do carbon heaters burn oxygen? ›

Room heaters burn oxygen and reduce the humidity in the air. This is the case with fan based convection room heaters and halogen room heaters. Burning of oxygen leads to potential oxygen levels drop and leads to suffocation. You need to open the door little for this.

Can you run a heater on solar power? ›

The electricity produced by solar panels can be used for any home appliance, not only heat pumps or resistance heaters.

How much does it cost to heat a shed? ›

Your shed is also going to need to be wired for 240 volts, as electric heaters require a significant expenditure of energy. At peak heat – 5000 watts – this heater will cost you about $2.50/day with an average run time of 5 hours. If you plan on spending lots of time in your shed in the winter, this cost can add up.

Can I heat my shed with solar power? ›

Using a solar heater for a shed will work too. Only the disadvantage its proofers will be it will run out of power once the sun is down. Rainy or cloudy days will be a hindrance to your shed's heat as well.

What is the best way to heat an uninsulated garage? ›

So what's the best way to heat an uninsulated garage? Use propane heaters for high powered, silent and odorless heat. Opt for a radiant style for a small-medium garage, or a torpedo style for a larger space. For an electric option use infrared heating as it's more durable.

Which type of heater is cheapest to run? ›

Generally speaking, Halogen heaters are one of the most inexpensive types of electric heater. They average around 1200W in terms of power output and because they provide instant-heat at close quarters, you shouldn't need to leave them on for long periods of time.

How much does it cost to run a 1500 watt heater for 24 hours? ›

Running a 1,500-watt heater for 24 hours will cost $4.80. $11.20 to run per week (8h/day).

What size heater do I need for my shed? ›

Use Electric Heaters

For instance, a 10 x 10-foot room is 100 square feet. If the heating capacity of the appliance isn't apparent, the rule of thumb is that you'll need 10 watts for each square foot. A 1,500-watt heater is sufficient for a 150-square-foot room.

Do garage heaters use a lot of electricity? ›

If we compare the cost of heating a typical two-car garage, the electric heater can cost as much as 20% more to operate than a vented forced air gas heater and 40% more than a vent-free infrared gas heater. 240 volt power is required. This is the same power requirement as your oven or electric clothes dryer.

Can you use a calor gas heater in a shed? ›

Portable Gas Heaters are Convenient and Effective

Generally speaking, as long as the heater has a maximum output of 3kw, it will be powerful enough to warm most sheds, summer houses and log cabins.

How do you heat an uninsulated shed? ›

Here are 5 ways to heat an uninsulated shed:
  1. Install transparent sheeting on the roof.
  2. Place a space heater in the shed.
  3. Use a portable electric heater.
  4. Use a mushroom heater.
  5. Install infrared heat bulbs.
21 Apr 2022

Can I put solar panels on my shed roof UK? ›

Can I put solar panels on a shed in the UK? Yes, you can put solar panels on sheds in the UK. The lack of sun in some areas might not make this ideal though. So be sure your shed will have lots of solar access if you want to make sure the power supply is enough.

Do you need planning permission to install solar panels? ›

You need only apply for full planning permission (flats) or householder planning permission (houses) to install a solar panel when any of the following apply: it would protrude more than 20cm from the external surface of the wall or roof slope, when measured perpendicularly.

How do you heat a poorly insulated garage? ›

How to Heat a Garage? 14 Best Ways to Maintain Warmth in Frigid Temperatures
  1. Ductless Mini-Split Heat Pump. ...
  2. Window Heat Pump. ...
  3. Portable Heat Pump. ...
  4. Radiant Floor Heating. ...
  5. Electric Ceiling Panels. ...
  6. Space Heater. ...
  7. Wall-Mounted Electric Heater. ...
  8. Central HVAC Extension.

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