Buffer tank

What is a Buffer Tank?
A buffer tank, also known as a buffer accumulator, is a tank that is used to store water and forms part of heating and cooling systems, especially those that use forms of renewable energy, such as solar or biomass energy.

What is a buffer tank used for?
Its main purpose is to store excess thermal energy and release it when it is needed, thereby helping to maintain a constant temperature and reducing fluctuations in energy demand.