Generating heat is one thing, storing heat with as little loss as possible is another. Because the total amount of energy generated by the heat pump is not always completely used immediately.
This is where the x-buffer buffer and domestic hot water storage come into play. Regardless of whether it is a matter of comfortable heating warmth or hygienically perfect domestic water: heat storage is an important element in a future-oriented heating system.
The The buffer storage ensures that the heat source and the heat consumption are decoupled. This means that heat can be generated independently of the time of consumption. This means that your heat pump does not have to start up again every time you turn up a radiator. The effect is similar to the one you are familiar with from the car: if you drive at an even pace without continuously accelerating and braking, your journey is considerably more environmentally friendly (and cheaper).
The buffer storage is used to bridge cut-off times or peak loads. It ensures that after a long day at work, you quickly feel comfortably warm and do not have to wait for heat to be generated.
Domestic hot water storage ensures that there is always enough hot water available, even if everyone wants a bath. Just like the buffer storage, generation and consumption are decoupled here as well.
Combined storage combines buffer and domestic hot water storage in one unit. The two different types are storage are, however, strictly separated from one another. Combined storage is often the optimal solution if there is little space in the cellar but you would still like to have an efficient and environmentally-friendly storage system.
The new x-buffer combi contains every important component for connecting an x-change heat pump to the heating system and for domestic water heating. The attractive and timeless design will fit into every furnace room, engineering or utility room. All the hydraulic and electrical components required to operate a heat pump system are integrated. A 204 litre (nominal volume) enamelled storage tank with an integrated heating rod and a circulation connection is available for domestic water heating. The respective heating system is supplied with heat via the heating buffer storage tank with a volume of 127 litres with an integrated heating rod and connected, unmixed heating circuit. At the same time, the volume flow of the heat pump is hydraulically isolated from the heating system. This allows the heat pump to work with much greater efficiency and only the volume flow actually required is circulating in the heating system. An additional mixed heating circuit can be installed as an option, thus increasing the possible uses of the x-buffer combi. The buffer charging pump and the switchover valve are integrated. Thanks to cleverly positioned carrying handles and its compact design, it is not a problem to transport it into the respective building. The innovative and flexible line routing for the heating circuit and charging the storage tank makes for short line routes in tight spaces. This system solution simplifies the overall installation of the heat pump, saves space and time during installation, and in this way reduces the overall investment costs.
Available from November 15th, 2020
The x-buffer® flex stores the heat energy generated by the x-change heat pump and delivers it to the heating system and hot water. Innovative and energy-efficient thanks to our tried and trusted layer optimisation system combined with the Neodul insulation, practical thanks to the small tilted dimension and the flexible individual configuration of the pump groups mounted at the front.The buffer and hot water storage tank are convincing with their modern design as well as by allowing quick and self-explanatory, flawless installation of the hydraulic tower.
The x-buffer compact buffer storage tank stores the heat energy generated and delivers it to the heating system. Thanks to modern fleece insulation, this innovative storage unit keeps heat losses extremely small.
The x-buffer compact cool buffer storage can be used for heating and cooling modes with heat pumps. The buffer storage is used to hydraulically isolate the volume flows, extend the service life of the heat pump, and store heat energy. The high quality polyurethane rigid foam insulation with an external PVC coating reduces the heat losses to a minimum.
The x-buffer fresh hot water storage tank is a high-performance storage tank for domestic water heating in conjunction with a heat pump. The PU thermal insulation assures minimal heat losses.
The special layering process guarantees optimal layering of layers of water at different temperatures in the Kermi x-buffer layered buffer storage tank.
Mixing volumes of cold and warm water is virtually impossible with this process which has a patent pending. The water which slowly flows into the storage tank can rise or sink, depending on the temperature. Together with high quality all-round insulation, this significantly minimises energy losses.
The innovative housing design of the x-buffer layered buffer storage tank makes the storage unit a space-saving alternative.
The system does not take up any more room than a conventional heating tank. Thanks to a special floor construction, the tilt dimension (diagonal) is scarcely any greater that the setup dimensions. This means that from the outside as well, the x-buffer layered buffer storage is also different from conventional storage models and is highly suitable for rooms with low ceilings in existing buildings. With the intelligent arrangement of the connections, the x-buffer also fits through narrow doors.
Finally the new Kermi heating system has been installed. Or the Kermi ventilation system. Nothing left to stop you feeling cosy at home. With our 5-year system warranty, we are happy to prove the quality of our products and our service promise to you.
1. Have the Kermi system installed by a specialist company
2. Have Kermi Customer Service commission the system (or in the case of ventilation systems, a specialist company)
3. Annual servicing by Kermi Customer Service or by a specialist company