Commercial & Electric Water Heaters

Heatraq supplies a comprehensive range of commercial and electric water heaters for professional installers, facilities managers and trade customers across the UK. Our range includes instantaneous water heaters, point-of-use systems, hot water storage units and unvented cylinders, designed for reliable performance in commercial and light industrial environments.

Whether you require on-demand hot water for a single outlet or a higher capacity system for multi-point supply, our water heater range provides energy-efficient solutions from trusted manufacturers.

Explore Water Heater Types

Choosing the Right Commercial Water Heater

Selecting the correct water heater depends on outlet type, demand frequency and installation constraints. Instantaneous systems are ideal where hot water is required intermittently without stored capacity, while storage-based systems are better suited to environments requiring consistent multi-outlet supply.

For offices and hospitality venues requiring continuous boiling water, wall-mounted instant boiling units provide improved recovery performance compared to traditional kettles or undersink storage heaters.

Energy Efficiency & Installation Considerations

Electric water heaters eliminate the need for gas connections and can be installed close to the point of use, reducing pipe runs and heat loss. Correct sizing is essential to ensure adequate flow rates and prevent electrical overload. All installations should be carried out by qualified professionals in accordance with current regulations.

Heatraq works with trusted manufacturers to supply reliable, commercial-grade water heating systems designed to meet the demands of professional environments.

Frequently Asked Questions About Water Heaters

What type of water heater do I need?

The right water heater depends on outlet type, demand frequency and installation space. Instantaneous systems provide hot water on demand without stored capacity, while storage-based systems are better suited to multi-outlet supply. Unvented cylinders deliver mains pressure hot water for higher flow rates, and compact hand wash heaters are ideal for basins and washrooms.

What is the difference between instantaneous and storage water heaters?

Instantaneous water heaters heat water as it flows through the unit, eliminating standing heat loss. Storage water heaters hold a volume of pre-heated water ready for use, making them suitable for higher or simultaneous demand across multiple outlets.

Are electric water heaters suitable for commercial use?

Yes. Modern electric water heaters are widely used in commercial and light industrial environments. They offer straightforward installation, reliable temperature control and suitability for offices, hospitality venues, healthcare facilities and retail environments.

How do I choose the correct size water heater?

Sizing depends on expected usage, number of outlets and electrical capacity. Smaller point-of-use or instantaneous units are suitable for single basins or sinks, while larger storage systems and unvented cylinders are designed for multi-outlet or higher demand installations.

Do water heaters require specialist installation?

Most electric water heaters require a dedicated electrical supply and appropriate plumbing connections. Unvented cylinders must be installed by a qualified professional in accordance with G3 regulations. Always consult installation guidelines before specifying a system.

Are water heaters energy efficient?

Efficiency depends on the system type and usage pattern. Instantaneous systems reduce standby heat loss, while modern storage heaters and cylinders use improved insulation to minimise energy waste. Correct sizing plays a key role in overall efficiency.

What is the difference between point-of-use and centralised systems?

Point-of-use heaters are installed close to the outlet to reduce pipe runs and heat loss. Centralised systems, such as storage cylinders, supply multiple outlets from a single unit and are suited to larger installations.