COMBI WATER TANK

This is the most common and core usage of "combi tank," referring to a tank that simultaneously provides both underfloor heating/central heating and domestic hot water.

Structural Features: This type of tank is often layered. Typically, the lower layer is a buffer tank (to store heat for the underfloor heating/heat pump system, preventing frequent starts of the main unit), and the upper layer is the domestic hot water tank (for showering and dishwashing). Some models also utilize "tank-in-tank" technology, where the domestic hot water tank is immersed in the heating water, resulting in high heat exchange efficiency.

Typical Scenarios: A standard component of heat pump systems, or used in conjunction with a gas boiler to supplement heating in a solar energy system.

1.A combi water tank combines two functions-typically domestic hot water storage and a buffer tank for heating/cooling systems-into a single, integrated unit. Here are its key advantages:

2.Space-Saving Design: Combining two tanks into one significantly reduces the physical footprint required for installation, sometimes by nearly half compared to having two separate units. This makes it an ideal solution for homes or mechanical rooms where space is at a premium.

3.High Energy Efficiency: The integrated design minimizes heat losses. Many combi tanks feature high-grade thermal insulation, which keeps water hot for longer with low standby energy consumption. This efficiency is a major benefit for reducing overall energy usage.

4.Compact Yet Powerful: Despite their smaller size, combi tanks can be highly capable. For example, some models provide both a large domestic hot water supply and a separate buffer tank for heating, all in one unit, suitable for use with heat pumps or solar systems. Specific models can even deliver large volumes of hot water (e.g., up to 2700 liters per hour).