Buy Nestro pine fuel briquettes - UAH 1799/t, Kharkiv region.

Nestro wood fuel briquettes have a cylindrical shape, diameter 65mm, length 100-400 mm.

Advantages:
Large calorific value

Modern fuel briquettes have a high calorific value (increased heat output).
Long burning.
(//tractor-service.com)
During the burning process, the briquettes emit a stable, high flame with a large heat output, and until complete combustion, which lasts 2.5-3 hours. After that, at the moment of smoldering, quality briquettes can give off heat (burn) for about 5-7 hours. The briquettes themselves burn approximately twice as hot, and at least twice, or even two and a half times longer than ordinary dry firewoodfirewood. Also, a clear advantage of such briquettes is that they maintain a constant temperature during combustion.
Clean air in your home

According to modern European fuel standards, fuel briquettes belong to the categories of smokeless fuel. The complete absence of smoke allows absolutely smokeless melting of any stoves and fireplaces, even those that have a small chimney draft, and in the winter period for a cold pipe, when a kind of cold plug forms in the chimney pipe, and most of the smoke comes from combustion ordinary firewood orcoal enters the room.
Fuel briquettes are excellent fuel for people who worry about their health. Also, briquettes do not cause allergies and are absolutely harmless.

Unlike the same coal, when you use briquettes, neither dust nor small fractions are formed, which pollute the air in the room. Briquettes emit much less sparks during the burning period, and in fact do not make burning sounds, or do not "shoot".
Low release of carbon monoxide and sulfur.