Start Your Roastery in 2026 with a Hot Air Coffee Roaster

When we talk about the roasting equipment every coffee roaster should consider as a first investment when opening a roastery, the answer is always clear: a reliable coffee roasting machine. It’s the tool that transforms raw green beans into the rich, aromatic coffee that defines your brand.

Among the many options of coffee roasting machines out there, hot air coffee roasters are gaining popularity among newcomers to coffee roasting, largely because they are beginner-friendly and easy to operate. So in this blog, we’ll take a deeper look at why a hot air roaster could be the perfect partner to kickstart your roastery in 2026.

Why Hot Air Roasters Might Be Your Best First Choice

Hot air roasters rely on pure convective heat transfer, using a steady stream of hot air to surround and evenly heat the coffee beans, without direct contact with heat. The convection system also provides a faster thermal response to changes in temperature and airflow, which enables the roaster to react quickly during the process and help shape your roast profile with greater accuracy. It’s a great advantage, especially if you’re just starting and don’t have advanced roasting skills.

But the advantages don’t stop there. Here’s what else you can expect when roasting with hot air roasters:

1. Hot Air Coffee Roasters Reduce Your Roasting Time

One of the biggest time-savers when using a hot air coffee roaster is its speed. Because convective heat transfer doesn’t rely on a heavy metal drum, there’s less time needed to preheat the machine. The constant flow of hot air also applies heat more evenly across all the beans, which helps speed up the roasting process overall.

Once the roast is finished, minimum contact with hot metal helps reduce ambient heat that could continue cooking the beans and avoid overdevelopment. When combined with a forced-air cooling tray, hot air roasters can cool beans within just a few minutes.This efficiency lets you complete more batches in less time and boost your productivity. It also gives more chances to experiment and fine-tune your roast profiles, helping you learn and grow with every batch.

2. Cleaner Cup and Consistent Result

Hot air roasters are often praised for producing a clean, bright cup that highlights the coffee’s natural characteristics. This is largely due to the constant stream of hot air, which not only heats the beans evenly but also helps remove roasting by-products like coffee chaff. As a result, there’s less chance of smoky or bitter flavors developing during the roast.

The consistent heat exposure then reduces the risk of common coffee roasting defects, such as scorching or tipping, by eliminating cool spots on the beans for more reliable results every time.

If you’re a coffee roaster focused on quality, especially working with specialty-grade beans, hot air roasting offers the precision and clarity needed to bring out better flavor expression.

3. More Sustainable Operation

Some hot air roasters are designed to produce significantly less smoke during the roasting process. The moving hot air continuously removes coffee chaff as it separates from the beans. Since chaff can easily burn and create smoke, clearing it mid-roast brings two key benefits: it helps prevent smoky flavors in the coffee (as we mentioned earlier) and reduces the amount of smoke lingering in your roasting space.

This is especially important for indoor or small roastery setups, where excess smoke and other coffee roasting fumes can affect air quality and pose respiratory risks. With lower smoke output, you’ll face fewer ventilation issues and create a safer working environment.

Using equipment that reduces emissions also makes your roastery step toward building a more sustainable and responsible coffee business. If the roasting process minimizes the carbon footprint or uses lower energy, you’re actively contributing to environmental preservation and aligning your roastery with climate resilience goals. So with a hot air roaster, you’re not just improving your workflow, but respecting the planet and setting a strong example for sustainable coffee roasting!

4. Ease of Maintenance

The design of a hot air roaster supports not only simple operation but also easy maintenance. Since coffee chaff is continuously removed by the airflow throughout the roasting process, buildup inside the roasting chamber tends to be lower. With less accumulation, the risk of clogging is minimized and making routine cleaning quick and hassle-free. In most cases, daily machine maintenance or cleaning requires just a simple wipe-down, making post-roast cleaning fast and straightforward.

This level of simplicity is especially helpful if you’re just starting or managing a small team. You’ll spend less time cleaning your roaster and more time focusing on refining your roast and growing your roastery.

Enter The World of Coffee Roasting With Berto Hot Air Roaster

All the benefits of hot air coffee roasting come together in the Berto hot air roaster lineup. Each model is engineered with BertoLogic™ to deliver greater accuracy and batch-to-batch consistency. Here’s a closer look at the features of each model:

Berto Essential Air

Berto Essential Air is the ideal match if you’re running a micro or in-house roastery. With a 3 kg capacity, it has a sleek design paired with the features expected by professional coffee roasters. The minimalist control panel keeps operation simple and Playback Assist™ lets you record and replay your roast profiles directly from your computer using Artisan or Cropster.

You can expect roasting times between 7–15 minutes, supported by a rapid cooling system that brings beans down to room temperature in as little as 4 minutes. A built-in smokeless system is included to help reduce air pollution for a clean workspace and environment.

Berto Type R Roaster

For medium to large-scale operations or roasteries planning to scale up, Berto Type R Roaster comes in three capacities: 8 kg, 20 kg, and 60 kg, with features for ultimate production roasters. An intuitive touchscreen control panel gives you full visibility and control over your roast directly in the machine, while a PID controller with Recipe mode supports automated batch roasting for consistent output.

Berto Type R Roaster is also equipped with an advanced low-smoke system, where exhaust air is routed through a high-performance cyclone and then channeled into the furnace. This process significantly reduces emissions and combined with a high-speed cooling system to lock in the beans’ flavor.

With all the advantages of hot air coffee roasters, there’s no need to hesitate when starting your roastery in 2026. From running a micro roastery to scaling up production, you can achieve consistent results and build flavor quality from the very beginning.

Let Berto Roaster be your reliable partner on your roasting journey. Contact us today to find the perfect hot air roaster for your roastery.

Category: Roasting Machine

By: KUMO Studio / Jan 2026

How a Subtle Issue Like Coffee Roaster Sensor Drift Can Ruin Your Roast

Start Your Roastery in 2026 with a Hot Air Coffee Roaster

Why Hot Air Roasters Might Be Your Best First Choice