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Why are in-built heaters such a popular renovation choice for wood fire heaters in Sydney? Well, they warm up your home and give it a complete make-over, promising dramatic results. Most refurbishments include a new colour scheme or swapped furniture but installing an in-built literally transforms your home.

In-builts are also a handy trick for newer buildings. As housing needs expand and available spaces diminish, there’s a need for smaller homes and apartments to meet demand, especially in urban areas. But just because you live in a flat doesn’t mean you don’t deserve a stylish furnace. In-builts allow builders to include a fireplace, even in a studio apartment.

The beauty of in-builts

In such cases, your in-built can be an attention-grabbing feature of your home décor, becoming a focal point and making your home look larger and more welcoming. Kobok is a beloved range for in-built wood-burning heaters. Gas-powered in-builts often have minimalist modern facades and artificial burning media, but wood-burning Koboks take the best of old-world charm and blend it with contemporary design.

Traditional wood hearths have wide, cavernous chimneys that are not heat efficient. The Kobok takes an aspect of gas burners – the flue – and applies it to wood fires. Any smoke from the fire goes out through narrow piping built into the wall for better heat distribution. The flues also offer an external air supply that enhances combustion, giving a cleaner burn.

Mt Blanc

The largest units in the Kobok range are the Mt. Blanc series. They come in two sizes and feature a large viewing panel so you can watch your roaring flames. The Mt. Blanc 970 is a smaller unit in the $6,000 price space, but it’s still large enough to heat up the whole house. because you can configure your flue system to distribute heat to other rooms in your home.

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The firebox is lined with bright brick, and the fireplace is lit and loaded through a vertical door that has a fireproof insulated handle and a counterweight to prevent it from slamming shut. The Mt. Blanc 7690 is a larger version. Both furnaces have a stainless steel frame encasing the firebox for a sharp, contemporary look.


The Tatra 600 shares the features of its wider cousins, but its orientation is more vertical, with a narrow, elongated design. For reference, the Mt. Blanc units resemble a printout in landscape mode, while the layout for the Tatra is more portrait. Like the Mt. Blanc, it can hold logs of up to 50cm because the firebox is quite spacious. Its burning efficiency is 0.79 to the Mt. Blanc’s 0.81, and it uses 3.5kg of fuel per hour while the Mt. Blanc 7690 uses 4.5kg.

Physically, the Tatra is lighter at 200kg with pipes that are only 200mm in diameter. The shortest pipe is 5 metres long, and the Tatra expels heat levels of 11 to 26kW. It’s 1.5m high and 60cm wide, compared to the larger unit in the Mt. Blanc series, which is 1.36m high, 0.97m wide, and has a flue width of 225mm.


The Arlberg series is similar to its siblings, though its orientation is somewhere between the two. Instead of a rectangular steel façade above the viewing window, the Arlberg has a cylindrical or triangular frame, depending on the model. They also possess additional tech features that raise their utility value.

The regular Arlberg has a heat bank, while the Arlberg Aqua has an in-built water heater with narrow flues of 180mm. Because of its water heater, the Aqua uses up the most fuel of any Kobok, burning up to 5kg of wood per hour. But despite diverting some heat to the water tank, it still offers the house 13 to 30kW or warmth.

For a wide selection of Kobok models, call Sydney Heaters today on 1300 938 346.