When you don't understand why the boiler is acting up and getting really bad.

Have we done something wrong?

Is it a manufacturing defect?

Can it even be solved?

Yes... it was a rather unexpected error code we got, namely "duck slightly burned, sooty and very dead" when we looked down the chimney. It clogged everything, we cleaned it and now everything works properly again.

We are at the finish line!

Five days of conversations, meetings, exciting people and fantastic collaborations with HERZ Energietechnik GmbH and MAFA who really went all in with us to make these days rich in content and profitable in every way.

Thanks to Manuel from Herz and Kai and Per from MAFA who really put their heart and soul into this. You have been indispensable!

Let's go home with new plans for the future!

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It's a wrap!

Five days of conversations, meetings, exciting people and fantastic collaborations with HERZ Energietechnik GmbH and MAFA who really went all in with us to make these days meaningful and profitable in every way.

Thanks to Manuel from Herz and Kai and Per from MAFA who really put their heart and soul into this. You have been indispensable!

Now we are going home with new plans for the future!

Well, in September we're heading down to Germany, specifically Neumünster (between Kiel and Hamburg) to attend one of Europe's largest construction fairs - NordBau Messe - with over 800 exhibitors and around 60,000 visitors over five days.

We will show our hot air boilers and talk bioenergy, eco-design and smart solutions with industry professionals.

To help us, we have our partners MAFA and HERZ Energietechnik GmbH who are providing input on the stand.

Change your late semester plans and come by! It will be fun!

Building heating without a safety net - when temporary heating becomes a risk to be taken seriously

We wonder how many illegal construction heating systems there are on Swedish construction sites.

Here's a specially written article about this, the rules that apply and what we need to do to tackle cheating.

By Sofie Samuelsson, bioenergy specialist and independent industry writer with 30 years of experience in energy markets, technologies and regulations.

On thousands of Swedish construction sites, work continues all year round - even during the coldest days of winter. Temporary heat sources are a natural part of the process, and more and more operators are choosing fossil-free solutions such as pellet boilers. This is a climate-smart option that both reduces emissions and helps achieve climate goals.

But there is still a challenge in the industry: despite the availability of sustainable alternatives, fossil fuel solutions such as oil - and in some cases LPG - are used. LPG is not only import-dependent and costly, but it also brings increased safety requirements that can be difficult to manage in an already complex construction process.

At the same time, requirements are also placed on fossil-free alternatives such as LPG and oil boilers. For a pellet boiler to be a safe and efficient solution, it must comply with current regulations. This includes CE marking, correct installation, clear documentation and compliance with EU EcoDesign requirements for energy efficiency and emissions. These are the factors that determine whether heating becomes a sustainable support - or a source of unnecessary complications.

For the developer, a poorly installed boiler can quickly lead to unexpected costs. In the event of a breakdown, technical failure or regulatory inspection, the project risks being delayed - resulting in high daily penalties, downtime and the need to reschedule. In addition, insurance coverage may be questioned if the equipment does not meet legal requirements.

This is not an unclear gray area. It is about clear rules - and about a responsibility that always ultimately rests with the developer.

Several industry stakeholders report that there are still suppliers offering inadequate solutions. These include older boilers that have been modified, or systems that have been imported without proper documentation. In some cases, equipment is used that would not have passed a safety audit.

Often the systems work - until something unforeseen happens. If a boiler causes a breakdown or other impact during construction, it has direct consequences for the whole project. This could mean delayed drying times, postponed deliveries or teams unable to work in sufficiently temperate environments.

According to the Work Environment Act (SFS 1977:1160), it is always the client who is responsible for a safe working environment - even when the equipment is hired from a third party. It doesn't matter if the boiler is there temporarily: the same rules apply as for a permanent installation.

The Swedish Work Environment Authority's regulations (AFS 2001:1 and 2003:3) require documented risk management and that installations on construction sites are examined and followed up in a systematic way.

AFS 2023:11 - Use and inspection of pressurized equipment - also applies to temporary use. This means that boilers, expansion vessels and pressure tanks are subject to the same inspection requirements even when used for a limited time.

In addition, the EU EcoDesign Regulation (2015/1189) is mandatory. It prohibits the use of solid fuel boilers that do not meet efficiency and emission requirements - regardless of where, when or by whom they are used.

What makes this area particularly challenging is that deficiencies are rarely visible at first glance. CE marking may be missing, but sometimes it is rather the documentation, the checks carried out or the correct installation that is lacking. In some cases, there is no designated person responsible for the overall functioning of the system. And it is precisely this - the lack of a clear division of responsibilities - that increases the risk.

It's not about making things unnecessarily complicated. It's about building right - all the way. Our construction sites create homes, schools and healthcare facilities that will last for generations. So it makes sense that even the temporary heating is done with the same care as the rest of the project.

With the right procurement, clear control and fossil-free solutions that comply with regulations - building heat will be a safe, sustainable part of future construction.

Heizohack pallet shredder

New in our range! Sometimes you find something really smart and then we want to be involved! Like here:

Is your business overflowing with wooden packaging? Are you overpaying/underpaying for your wood packaging? With a Heizohack "Pallet chipper" SPE1600, packaging can be converted into a valuable biofuel. Check out the Heizohack tab to find out more!

Our 110kW hot air boiler is now in place at the building. Storage in the container next door with pellets that lasts a long time, but still takes up little space. Guaranteed warm and dry in there!

You'd think we'd also go home early on Fridays and cuddle up on the sofa, but no! Our Friday night consisted of unloading incoming containers for mobile boiler centers so that we can continue to provide Sweden's construction sites with temporary heating solutions.

Do YOU need mobile heating?

Contact responsible salesman Stefan Larsson on tel. 070-852 86 28 and discuss your specific needs.

We welcome your inquiries!

A little blinker in Bioenergy about Jönköpings Energi where we delivered the boilers.
"That we managed to find a reasonably priced pellet boiler and keep both budget and schedule" sounds like music to our ears
That's how it should feel when you finish a project!

We are taking the plunge to heat Sweden! For a couple of years, we have been working to develop the most efficient, smoothest and maintenance-free (1000h service interval!) hot air boiler.

Portable containers and hot air boilers - flexible and environmentally friendly heating solutions from CleanBurn

CleanBurn offers modern, efficient and climate-smart heating solutions suitable for construction sites, industries, farms and public facilities. Our range includes both portable containers - mobile boiler centers for temporary heating - and stationary or mobile hot air boilers for long-term or variable needs.

The portable containers are available in different sizes and powers, from 100 kW up to 500 kW. Thanks to the robust container solution, they are easy to transport, install and operate during the project. Each container is equipped with a generous pellet storage, ensuring a long operating time without the need for frequent refills. With Austrian Herz biofuel boilers at the heart of the systems, high quality, reliability and energy efficiency are guaranteed. In addition, all solutions are Ecodesign approved and meet the stringent environmental requirements for low emissions.

For more permanent needs, we offer stationary hot air boilers available in sizes from 110 kW to 200 kW. These systems are ideal for heating premises, workshops, greenhouses and animal sheds, or for processes where clean and even hot air is essential. Thanks to their smart design, the boilers have long service intervals and low maintenance costs, making them both cost-effective and reliable in the long run.

All our heating systems focus on sustainability, energy efficiency and user-friendliness. With remote control, mobile monitoring and flexible operating options, you can feel confident that you always have full control of your heating solution.

Whether you need a mobile container solution for construction heating, a hot air boiler for industrial operation or a customized installation, we help you all the way - from planning and delivery to installation, commissioning and inspection. With CleanBurn , you always get a professional partner and a heating solution that meets both current and future requirements.

Read more under the tab MOBILE HEATING

A couple of weeks ago we were in Vansbro and started up and inspected the new plant (or rather the additional plant) at Lyko where they already had a boiler center from us. Now it is guaranteed to be very warm and cozy.

Returning customers are our best testimonial!