Bioethanol Fireplace for Greenhouse

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A bioethanol fireplace is a flame-based heating solution that runs on bioethanol fuel, a renewable energy source made from crops such as sugarcane, corn, or other biomass. When burned, bioethanol produces a clean flame — releasing only water vapour and a small amount of carbon dioxide. This makes it ideal for enclosed spaces where ventilation may be limited.

Unlike traditional gas or wood-burning fireplaces, bioethanol fireplaces require no chimney, flue, or electrical connection. They are easy to install, highly portable, and come in a variety of shapes and sizes — from table-top burners to freestanding units with glass panels and safety features.

In a greenhouse, a bioethanol fireplace offers quick and direct heat, without creating smoke, ash, or fumes that could damage sensitive plants. Some models can burn for 4 to 8 hours on a single tank, making them perfect for cold nights or sudden drops in temperature.

It’s important to note, however, that bioethanol fireplaces are not thermostatically controlled. This makes them best suited for short-term use, emergency backup, or supplemental heating — rather than full climate regulation over long periods.

Bioethanol in a Greenhouse? Pros and Unique Benefits

Bioethanol fireplaces are particularly attractive in greenhouses for several reasons. First, they are independent of the grid, which is ideal for allotments, garden plots, or rural areas where electricity may not be available. You don’t need to worry about running cables, installing power sockets, or using fuel that produces harmful emissions.

Second, the real flame effect provides not just heat but ambiance. For greenhouses used as orangeries, garden rooms, or multi-purpose spaces, a bioethanol fireplace adds atmosphere as well as function — making the environment more enjoyable for people and plants alike.

They are also low maintenance. There's no ash to clean, no wick to replace, and no filters to maintain. Just pour the fuel into the burner, ignite it, and enjoy the warmth. When not in use, the unit can be stored away or repurposed elsewhere in your home or garden.

Another benefit is mobility. Unlike fixed electric heaters or large paraffin setups, bioethanol fireplaces can be moved as needed. You can shift the heat source to where it’s needed most — whether that’s over seedlings, potted citrus trees, or a seating area.

Finally, from a sustainability perspective, bioethanol is a renewable and biodegradable fuel, often made from byproducts of agriculture. For eco-conscious gardeners, this aligns well with broader environmental goals.

Creating 'Hygge' Atmosphere: Warmth Beyond Just Temperature

A bioethanol fireplace does more than provide heat — it creates atmosphere. The soft, flickering flame introduces a calming, cosy presence that transforms your greenhouse from a purely practical space into a place of peace and enjoyment. As a company with roots in Denmark, we believe in bringing hygge into every greenhouse — that unmistakable feeling of warmth, simplicity, and comfort.

Whether you’re enjoying quiet moments among your plants, sharing a cup of tea with friends, or simply winding down after a long day, the gentle glow of a bioethanol flame turns your greenhouse into a welcoming retreat — all year round.

Safety Considerations

As with any open flame, safety is key when using a bioethanol fireplace. While modern models are designed with stability and flame control in mind, it’s still important to follow guidelines — particularly in enclosed, plant-filled spaces.

First and foremost, ventilation is essential. While bioethanol burns cleanly, it still consumes oxygen and releases CO₂. Make sure your greenhouse has a window, vent, or door that can be left slightly open during use. Do not use the fireplace in extremely airtight greenhouses without ventilation.

Only use approved bioethanol fuel — never attempt to substitute with other alcohols or flammable liquids. Store fuel away from heat sources and out of reach of children or pets.

Keep the fireplace away from combustible materials such as dry leaves, seedling trays, and plastic coverings. Place it on a stable, level surface, ideally made of metal, tile, or heat-resistant material. Do not move the unit while it’s burning, and allow it to cool fully before refuelling or storing.

For added safety, consider a model with a protective glass shield and adjustable flame regulator. These features help manage the flame’s size and reduce risk in tighter greenhouse layouts. Used responsibly, a bioethanol fireplace is a safe and elegant heating option — especially for casual use, supplemental warmth, or as a stylish backup to your main system.

When Is a Bioethanol Fireplace the Right Heating Choice

While bioethanol fireplaces offer several advantages, they’re not suitable for every greenhouse situation. To decide whether it’s the right choice for you, consider the size of your greenhouse, your heating needs, and your intended usage.

For small to medium-sized greenhouses (up to approx. 10–12 m²), especially those that are well insulated, a bioethanol fireplace can provide sufficient heat to raise the internal temperature by several degrees on cold nights. They are especially effective for protecting frost-sensitive plants in spring and autumn.

They’re also ideal for occasional heating — for example, if you're working in the greenhouse during the day, or if you want to create a cosy atmosphere for an outdoor dinner or gathering. In combination with thermal insulation (like bubble wrap or fleece), bioethanol heating can be surprisingly effective in short bursts.

However, for long-term or high-demand heating, such as maintaining stable temperatures throughout the night in winter, electric heaters with thermostats are generally more efficient and reliable. Likewise, if your greenhouse is very large or poorly insulated, a bioethanol unit may not deliver sufficient heat distribution on its own.

That said, many gardeners use bioethanol fireplaces as a supplement to electric or solar heating — turning them on only during peak cold or when electricity prices are high.