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Heating

Advice on boilers, radiators, central heating systems and keeping your home warm and energy efficient.

Heating

Wood Burners: What to Burn

Whether you have had a wood burner for a while, are lucky enough to have had one installed or moved into a home with one, it is a good idea to refresh your understanding of what wood is best to burn, both for your health, your wallet, and the environment.

Whether you have had a wood burner for a while, are lucky enough to have had one installed or moved into a home with one, it is a good idea to refresh your understanding of what wood is best to burn, both for your health, your wallet, and the environment.

The effectiveness of your wood burning stove relies largely on the quality and type of fuel that you burn. Here’s what you need to know.

Make sure it is dry

Dry wood burns better than wet; wet wood produces more smoke and burns at a lower temperature meaning that it is more likely to produce emissions that are bad for your health and the environment. Since 2021, it is a legal requirement that wood used in a wood burning stove has a moisture content of less than 20%, although how that requirement will be managed is uncertain.

If you have bought wood from a supplier, ask them how well seasoned it is; for hard wood such as oak, you need it to be at least two years old.

Mix your wood types

The best woods to burn are ash, beech, oak and soft woods, such as pine. Trees that take longer to grow, such as oak, are much harder than quick growing trees like pine and fir trees. Soft wood burns fast and hot, which makes them great for lighting your fire or getting a dwindling fire going again, but they will burn much more quickly than the slow-burning, solid hardwoods.

Reducing your carbon footprint

You can reduce your carbon footprint by using well-seasoned, locally sourced logs. Don’t be tempted to use imported wood.

Eco alternatives to wood

With the surge in people trying to protect the environment as well as save money there is an increase in options for those looking to reduce the carbon footprint of their woodburning stove. Alternatives to wood include:

Sawdust briquettes – made from compressed sawdust, these briquettes are created using carpentry and manufacturing byproducts, making them one of the most environmentally friendly options, provided that they are produced in the UK. Briquettes are usually made of a combination of soft and hard wood – make sure that you buy 100% wood briquettes and once you place them on the fire, don’t be tempted to poke them and move them.

Coal – smokeless coal such as anthracite can be used on its own or alongside wood in a multi fuel stove.

Coffee logs – these logs made from compressed coffee grounds burn hotter, are environmentally friendly, and smell great, too!

If you are considering buying a wood burning stove or resurrecting one in your home, make sure that you get it checked out by a specialist to make sure that it is safe to use first. Take a look at the list of rated and approved wood burning stove specialists near you, or follow us on Facebook or Twitter for more guidance.

Looking for more heating advice?

Find clear, practical answers to common heating questions, helping homeowners understand everyday issues, know what checks they can carry out safely, and when it is best to contact a qualified professional.

  • What is the difference between a combi boiler and a system boiler?

    A combi heats water straight from the mains on demand - no cylinder needed, which makes it compact and ideal for smaller homes or flats. A system boiler works with a hot water cylinder, storing a ready supply that can serve multiple taps or showers at once without the pressure dropping - better for larger homes with more bathrooms. There's also the conventional boiler, which needs both a cylinder and a cold water tank in the loft - common in older properties. A heating engineer can help you figure out which suits your home best.

  • Is an air source heat pump right for my home?

    Heat pumps pull warmth from the outside air (even when it's cold) and use it to heat your home and hot water. They work best in well-insulated homes, ideally with underfloor heating or larger radiators that work well at lower temperatures. In draughty or poorly insulated properties, the benefits are more limited. The Boiler Upgrade Scheme currently offers a grant of up to £7,500 towards installation, so it's worth getting a professional assessment to see whether your home is a good fit before committing.

  • How often should a boiler be serviced?

    Once a year, by a Gas Safe registered engineer. It keeps the boiler running safely, catches small issues before they become expensive, and is usually a condition of the manufacturer's warranty. Some home insurance policies require proof of regular servicing too. If you're not sure when yours was last done, book one before winter - better to find out before you're sitting in a cold house!

  • Why is my radiator cold at the top but warm at the bottom?

    This issue is almost always trapped air. Bleeding the radiator - using a radiator key to release the air - usually sorts it, and it's one of the few heating jobs you can safely do yourself. If bleeding it doesn't work, or if several radiators are having the same problem, it might be a pressure or pump issue. Worth getting a heating engineer in to have a look.

  • What are the signs my boiler needs replacing?

    Keep an eye out for: frequent breakdowns, energy bills going up without using more heat, unusual noises (banging, kettling, or whistling), a flame that's yellow or orange instead of blue, and any visible leaks or rust around the unit. If your boiler is over fifteen years old and ticking any of those boxes, replacing it is usually the more economical choice - modern boilers are significantly more efficient.

  • Is underfloor heating worth it and do I need a professional to install it?

    For a new build or a big renovation, underfloor heating is often a great investment - it heats rooms more evenly than radiators and can be more efficient, especially alongside a heat pump. Retrofitting in an existing home is more of a job, and how worthwhile it is depends on your floor types and how much disruption you're happy to deal with. Either way - wet or electric - it has to be installed by a qualified professional.

  • Why does my boiler keep losing pressure?

    Some pressure drop over time is normal, but if you're topping it up regularly there's usually a cause: a small leak in the system (which isn't always easy to spot), a pressure relief valve that's releasing water, or air in the system after bleeding radiators. Topping it up via the filling loop is fine as a short-term fix, but if you're doing it more than a couple of times a year, it's worth getting an engineer to look into why it keeps happening.

Have a question about TrustATrader?

If you have a question in relation to TrustATrader specifically, please check out the TrustATrader FAQs, with separate lists tailored to consumers and tradespeople. Alternatively, get in touch with our team. We're happy to help!