Hot Water and Thermal Stores

Phasestor Solid State Heat Stores

PhaseStore eStor - compact, efficient Hot Water Storage. eStor uses plant-based phase-change material to store heat, not water - making it smaller, safer, and more energy-efficient than traditional cylinders. They are easy to install, low-maintenance, and ideal for modern heating systems and renewables. Available in 6, 10, and 12kW models.

Cordivari

Cordivari thermal stores provide efficient heat storage for biomass, heat pumps and renewable heating systems. Designed for trade installations, they improve system performance, reduce cycling and deliver reliable hot water and heating.

Cylinders for Heat Pumps

Hot water cylinders designed by us for use with heat pumps. High specification throughout with large coil surface area, facilitating good flow rates, and the 3-coil combi allowing for almost-instantaneous hot water.

Akvaterm

Akvaterm thermal stores are high-quality heat storage tanks designed for use with biomass boilers, heat pumps and multi-source heating systems. Manufactured in Finland, they are built for durability, efficiency and long service life in demanding installations.