The Benefits of Kiln Dried Logs – Are They Really Worth It?

Kiln dried logs have become increasingly popular across the UK over recent years, particularly with the rise in wood-burning stove installations and stricter moisture regulations. But are kiln dried logs actually better than seasoned firewood, and are they really worth the extra cost?

At JPS Firewood & Forestry, we supply firewood across Leicester, Nottingham, Derby, Northampton, and surrounding Midlands areas. One of the most common questions we hear from customers is whether kiln dried logs genuinely perform better than traditional seasoned logs.

The short answer is yes — but there’s more to it than just moisture content.

If you’re considering buying kiln dried logs for your stove or open fire, here’s everything you need to know.

In This Guide

• What are kiln dried logs?

• Why moisture content matters

• Benefits of kiln dried firewood

• Kiln dried vs seasoned logs

• Common firewood problems

• Firewood storage tips

• Frequently asked questions

What Are Kiln Dried Logs?

Kiln dried logs are firewood logs that have been dried inside a controlled heated chamber known as a kiln.

The kiln drying process reduces the moisture content of the timber to below 20%, creating logs that are:

• easier to light,

• cleaner burning,

• and more efficient.

Unlike naturally seasoned firewood, which relies on airflow and weather over long periods of time, kiln drying speeds up the process and creates a far more consistent final product.

At JPS Firewood & Forestry, our kiln dried logs are processed and dried to Ready to Burn standards for cleaner and more reliable burning performance.

Why Moisture Content Matters

Moisture content is one of the most important factors when burning firewood.

Wet or poorly seasoned logs waste a huge amount of energy because much of the fire’s heat is spent evaporating water trapped inside the timber rather than heating your home.

This often leads to:

• excessive smoke,

• poor heat output,

• blackened stove glass,

• and increased soot buildup inside the chimney.

Using dry firewood dramatically improves combustion and stove efficiency.

According to the Ready to Burn scheme, firewood should contain less than 20% moisture content for cleaner and more efficient burning.

Benefits of Kiln Dried Logs

Easier To Light

One of the biggest advantages of kiln dried firewood is how quickly and easily it lights.

Because the logs contain significantly less moisture:

• ignition is faster,

• flames establish more quickly,

• and less effort is required to keep the fire going.

This is especially useful during colder winter months when people want fast and reliable heat.

Higher Heat Output

Drier logs burn hotter and more efficiently.

Rather than wasting energy boiling off excess moisture, kiln dried logs convert more energy directly into usable heat.

This often results in:

• warmer room temperatures,

• improved stove efficiency,

• and less wasted fuel overall.

  
  

Cleaner Burning Firewood

Properly dried kiln dried logs produce:

• less smoke,

• fewer emissions,

• and cleaner combustion.

This helps:

• keep stove glass cleaner,

• reduce chimney deposits,

• and improve airflow inside the stove.

Burning dry logs can also help reduce creosote and tar buildup within chimney systems.

More Consistent Quality

One of the biggest differences customers notice with kiln dried firewood is consistency.

With naturally seasoned logs, moisture content can vary depending on:

• weather conditions,

• storage methods,

• airflow,

• and timber species.

Kiln drying creates a more uniform product, meaning customers know what to expect every time they order.

Longer Storage Life

Because kiln dried logs contain less moisture, they are generally:

• cleaner,

• lighter,

• and less prone to mould or fungal growth.

They are also easier to handle and stack compared to freshly cut or partially seasoned timber.

However, proper storage is still essential to maintain quality.

Our Experience With Kiln Dried Firewood

In our experience supplying firewood across the Midlands, customers switching from wet or poorly seasoned logs to kiln dried firewood often notice cleaner stove glass and improved heat output almost immediately.

Many customers are surprised by how much easier kiln dried logs are to light and control compared to wetter logs with inconsistent moisture levels.

This is particularly noticeable in modern EcoDesign wood-burning stoves, where dry firewood plays a huge role in maintaining efficient combustion.

Kiln Dried vs Seasoned Logs

Both kiln dried and seasoned firewood can perform very well when processed and stored correctly.

However, kiln dried logs generally offer:

• lower moisture levels,

• easier lighting,

• cleaner combustion,

• and more reliable consistency.

In reality, a properly seasoned log can still burn extremely well — the issue is that not all “seasoned” logs on the market are actually dry enough to burn efficiently.

Firewood Comparison Table

Firewood Type	Heat Output	Ease Of Lighting	Burn Time	Smoke Output
Kiln Dried Ash	High	Easy	Long	Low
Kiln Dried Oak	Very High	Medium	Very Long	Low
Birch Logs	Medium	Very Easy	Medium	Medium

Common Problems Caused By Wet Firewood

Burning wet or poorly seasoned logs can cause several issues including:

• excessive smoke,

• poor heat output,

• difficulty lighting,

• blackened stove glass,

• increased chimney deposits,

• and inefficient burning.

This is why moisture content matters so much when choosing firewood.

How To Store Kiln Dried Logs Properly

Even kiln dried firewood can absorb moisture again if stored incorrectly.

To keep logs performing at their best:

• store them in a dry, ventilated area,

• avoid direct contact with the ground,

• allow airflow around the logs,

• and protect them from heavy rainfall.

Proper storage helps maintain low moisture levels and cleaner burning performance.

Frequently Asked Questions About Kiln Dried Logs

What moisture should kiln dried logs be?

Kiln dried logs should ideally be below 20% moisture content for efficient and clean burning.

Are kiln dried logs better for log burners?

Yes. Dry logs improve combustion, heat output, and stove efficiency while reducing soot and chimney buildup.

Do kiln dried logs burn hotter?

Generally yes. Lower moisture levels allow more energy to be converted into usable heat.

Can kiln dried logs get wet again?

Yes. Even kiln dried logs can absorb moisture if stored incorrectly.

Are kiln dried logs worth the money?

For many customers, yes. The improved burning performance, cleaner combustion, and convenience often justify the extra cost.

Why do wet logs produce more smoke?

Wet firewood produces more smoke because much of the fire’s energy is spent evaporating moisture trapped inside the wood rather than burning efficiently.

Final Thoughts

Kiln dried logs continue to grow in popularity for good reason.

Their:

• low moisture content,

• cleaner burn,

• higher efficiency,

• and ease of use

  

make them one of the best choices for modern wood-burning stoves and open fires.

At JPS Firewood & Forestry, we supply high-quality kiln dried logs across Leicester, Nottingham, Derby, Northampton, and surrounding Midlands areas, helping customers enjoy cleaner, hotter, and more reliable fires throughout winter.

Browse our full range of firewood and kiln dried logs for local delivery and nationwide options.