The robust and economical pellet boiler The KWB Pelletfire Plus pellet boiler is the ideal central heating for commercial buildings, housing developers and heat providers or heat contractors. It can be utilized in multi-boiler installations (cascades) and also be placed back to back to save space. In the output range of 45 - 135 kW, it is also used in multi-family houses and hotel facilities. Safe and efficient heating In the heat contracting business, operational reliability and calculable costs are decisive. For this reason, the KWB Pelletfire Plus pellet boiler has a burner system that is based on power-station technology. At its core is the KWB crawler burner which is manufactured according to industry standards. Made of high-alloy and self-cleaning cast grate elements, it functions like a type of “conveyor belt” for fuel. The fuel is always burned in a highly efficient and economical manner because, due to its continuous operation, the grate of the KWB crawler burner is able to automatically adjust to the output requirements. The ash does not contain any unburned residues, no fuel is wasted. The boiler detects how much fuel is needed and when. If there is no demand, it will not continue heating. Easy ash removal The optional two-part ash box, which can be easily unlocked and pulled out with its carrying handles, ensures even more convenience thanks to its integrated fill level monitoring. This makes it even easier to empty the individual ash containers because they are lighter. Thanks to the clean combustion and low fuel consumption, the ash box does not need to be emptied more than once every one to three months, depending on boiler size. No cleaning required between service intervals Because the KWB Pelletfire Plus pellet boiler is 100% self-cleaning during operation, your home stays warm. Even the heat exchanger cleans itself and removes its own ash. It also has special shaped turbulators to ensure that maximized heating energy is transferred from the exhaust to the heating system without compromising efficiency. Easy and flexible control The KWB Pelletfire Plus pellet boiler is equipped with the KWB Comfort 4 control system with the tried and tested dial and touchscreen display. This control system can be expanded in various ways. It is, for example, possible to activate different control units in the living quarters or operate additional heating circuits. An intelligent boiler master-and-slave circuit guarantees highly efficient operation thanks to the output modulation of multi-boiler systems based on actual demand. The free-of-charge KWB Comfort Online platform enables remote control and maintenance of the individual boilers! This is optionally also possible for the entire cascade. cleanEfficiency technology The KWB Pelletfire Plus pellet boiler comes with the cleanEfficiency label. This label stands for the lowest emission values, highest efficiency and economy, and the perfect interplay between construction and control elements.

The traditional wood-gasifier boiler The KWB Classicfire log wood boiler is the ideal central heating system for agricultural and forestry businesses, as well as single- and multi-family house owners that own a forest or have access to wood. It is available in the output range of between 18 and 38 kW and scores points particularly due to its convenient operation. Convenient and efficient heating It is, for example, possible to easily fill the KWB Classicfire log wood heating system the traditional way with wood logs of up to half a meter length. The large-sized front door ensures a high comfort level during stoking. Thanks to the 185-litre fuel fill room, the boiler generally only needs to be stoked once a day to heat an average single-family house for a whole day. Here, constant stoking is a thing of the past. Easy and flexible operation The KWB Classicfire can be operated using the Comfort 4 control system via the colour touchscreen display or alternatively via a dial. The use of the dial is particularly recommended when operating the control with work gloves, right after stoking the boiler with wood. But the intelligent control system makes heating even easier. The Comfort 4 system indicates, for example, how much wood you should refill for optimal operation. The control is also set up for the use of KWB Comfort Online. Using this platform, the boiler can be easily controlled and maintained remotely via smartphone, tablet or PC. Easily upgrade to a combi-heating system The KWB Classicfire log wood boiler can be easily upgraded with a pellet module that is installed on its left side. Upon request, a log wood heating system can thus be turned into the KWB Combifire combination heating system for log wood and pellets. The central heating’s ability to switch between the two fuels is fully automated. If the log wood is running out, the boiler simply switches to heating with pellets.

Log wood-pellet combi-boiler The KWB Combifire log wood-pellet combination boiler is ideal for all those who like the manual heating process, but do not want to forego the convenience of an automatic pellet heating system. In the output range of 18 – 38 kW, the central heating reliably supplies single- and multi-family houses and agricultural companies with heat. Full independence With the KWB Combifire log wood-pellet combination boiler you can heat either the traditional way – once a day with log wood – or fully automatically and conveniently with pellets. The pellet and the log wood combustion rooms are separate from each other as each fuel has different combustion room requirements to ensure truly efficient combustion. Furthermore, the heating system reacts intelligently. If no log wood is added, it automatically switches to pellet operation. This way, you can travel for longer periods and still have a continuously warm house. Easy ash removal With the KWB Combifire, there is no need to empty the ash container every day as it used to be in the past. Only very little ash remains because the boiler has such a clean and efficient combustion process. The ash tray, which can be hooked in under the log wood boiler, only needs emptying approximately once every 10 days. The wheelable ash bin of the pellet module, on the other hand, only needs emptying once or twice a year. Safe heating – remotely The KWB Comfort Online platform provides added convenience and operational reliability. Using this platform, the boiler can be easily controlled and maintained remotely via smartphone, tablet or PC. Check up on your heating’s operating status, control heating times and temperatures, and receive notifications and status change via SMS or email. After a holiday trip, you can switch on your boiler’s ignition while on your way home, and when you arrive, your home is already warm and cosy. If desired, you can also provide temporary access to your heating system to third parties, e.g. your heating installer or KWB customer service.

The easy and clean pellet heating system KWB Easyfire is the ideal pellet heating system for buildings that are being redeveloped or newly built, and is already being used over 40,000 times worldwide. It is installed both in single-family and multi-family houses in the output range of 2.4 to 38 kW. With its high-quality components in industrial quality, the heating system is equipped for a particularly long service life. Easy transport and placement and installation Thanks to KWB’s modular and easily transportable system, the pellet heating system can be easily transported even into tight spaces. You can schedule less time for the process because your contractor saves time on transporting the system into the heating room. You also protect your space because the weight and size of the individual components is easier to handle. An integrated return flow temperature boost saves additional installation costs. So you save time, money and nerves. Convenient operation The KWB Easyfire is as convenient to operate as an oil or gas heating system, but uses renewable energies. Manual refilling of the pellets is not necessary because the pellet heating system is automatically supplied with fuel. The ignition is also fully automatic. The heating system cleans itself, and the ash box only needs to be emptied between the annually recommended service intervals. The emptying occurs easily and conveniently into an optional wheelable ash container after around 6 tons of pellets have been used up. Depending on the system size, this means an ash emptying interval of up to 2 years. KWB Easyfire owners operate their heating system easily and flexibly with the KWB Comfort 4 control – including remotely. cleanEfficiency technology The KWB Easyfire comes with the cleanEfficiency label. This label stands for the lowest emission values, highest efficiency and economy, and the perfect interplay between construction and control elements.

Wood chip and pellet boiler The KWB Multifire wood chip and pellet boiler is a multi-talented system. The boiler is particularly robust and economical in its fuel consumption. In the output range between 20 – 120 kW, the KWB Multifire is the ideal central heating system for multi-family houses as well as agricultural and commercial businesses. KWB crawler burner: Full fuel flexibility The KWB Multifire wood chip or pellet heating system wins due to its particularly robust design. At its core is the KWB crawler burner. Made of high-alloy and self-cleaning cast grate elements, it is manufactured according to industry standards and functions like a type of “conveyor belt” for fuel. The flexible and robust grate has no trouble working with various fuel qualities. This makes you even more flexible when heating with wood chips or pellets. Economical and efficient fuel consumption The KWB Multifire operates particularly efficiently. The fuel is burned in a highly efficient and economical manner because the grate of the KWB crawler burner, due to its continuous operation, is very flexible and able to adjust to the fuel quality or characteristics. The ash does not contain any unburned residues, no fuel is wasted. The boiler additionally detects how much fuel is needed and when. If there is no demand, it will not continue heating. Because the KWB Multifire cleans itself during ongoing operations, your home is continuously warm. Even the heat exchanger cleans itself and removes its own ash. It also has special shaped turbulators to ensure that maximized heating energy is transferred from the exhaust to the heating system without compromising efficiency. Easy ash removal The optional two-part ash box, which can be easily unlocked and pulled out with its carrying handles, ensures even more convenience thanks to its integrated fill level monitoring. This makes it even easier to empty the individual ash containers because they are lighter. Thanks to the clean combustion and low fuel consumption, the ash box does not need to be emptied more than once a month. cleanEfficiency technology The KWB Multifire comes with the cleanEfficiency label. This label stands for the lowest emission values, highest efficiency and economy, and the perfect interplay between construction and control elements.

The flexible wood chip heating and pellet boiler The KWB Powerfire wood chip and pellet heating system is the ideal central heating for commercial or hotel businesses or heat providers. The heating system compels with its highly flexible and economical combustion and is available in an output range of 150 kW to 300 kW. For heating systems in this output range, the economical aspect scores big. Our focus is therefore on perfect customer service, before and after system commissioning. Full fuel flexibility The KWB Powerfire wood chip and pellet heating system compels due to its particularly robust design. Its core is the revolving grate system. It is manufactured according to industry standards and made of high-alloy and self-cleaning grate elements. The flexible grate is thus able to work with a large range of fuel qualities. This makes you even more flexible when heating with wood chips or pellets. Comfortable ash removal The KWB Powerfire is optionally equipped with a 240-litre ash bin with integrated fill level monitoring. It fits up to 430 litres of ash, thus enabling particularly long intervals between ash emptying. This means your heating system operates with very little hands-on care which saves you time and nerves. Easy installation thanks to a modular design The KWB Powerfire wood chip and pellet heating system can be disassembled into several modules which permits installation even in tight spaces with ceiling heights as low as 2.2 meters. It is therefore the ideal central heating even for old buildings that are being redeveloped. The heating system can be easily serviced and maintained from above with very little effort and without lifting aids thanks to its movable substructure. High-quality system components reduce wear and tear.