Our engineering team offers guidance, troubleshooting, and servicing to keep your system running reliably.
Commercial Hot Water Cylinders, Calorifiers & Buffers for Every Application
Adveco supplies one of the UK’s most comprehensive ranges of commercial hot water cylinders, indirect water heaters, calorifiers, and buffer vessels — all designed to meet the high demands of modern commercial and public sector buildings.
Engineered Storage Solutions for Reliable, Sustainable Hot Water in Commercial Buildings
Whether your project requires large-volume hot water storage, rapid recovery for peak demand, or integration with renewable heat sources, our stainless steel and carbon steel vessels deliver proven performance and durability.
Our indirect-fired hot water heaters and calorifiers store water at high temperatures, ready for use when demand peaks. By acting as a buffer between your primary heat source — such as a gas boiler, electric water heater, or heat pump — and the point of use, these cylinders help optimise system efficiency, reduce operating costs, and extend equipment lifespan.
Adveco’s commercial hot water tanks are available in a wide range of capacities, including large-scale options such as the 2500 litre hot water cylinder for high-demand sites. All systems can be configured to work with renewables such as solar thermal systems and air source heat pumps, creating a truly sustainable hot water solution for your building.
- Bespoke Application Design
Each hot water cylinder is specified to match your site’s capacity, flow, and integration needs.
- Supply & Commisioning
We handle delivery, installation, and commissioning to guarantee peak performance.
- Technical Support
Each hot water cylinder is specified to match your site’s capacity, flow, and integration needs.
We handle delivery, installation, and commissioning to guarantee peak performance.
Our engineering team offers guidance, troubleshooting, and servicing to keep your system running reliably.
Find the right cylinder for your commercial project.
GLC, GLE, GLT WATER TANKS
- Direct electric heating, buffer storage, indirect heating & preheat
- 200 to 5000-litre variants
- Tough, low-cost, carbon steel design
SSB, SSI, SST: STAINLESS STEEL HOT WATER TANKS
- Stainless steel WRAS approved buffer vessels and calorifiers
- Capacities from 200 to 2500 litres
- Versatile removeable coil and direct flange options to suit the application
ATSB, ATSI, ATST, ATSH, ATSR WATER TANKS
- Storage capacities up to 1000 litres
- Diverse range of single and dual coil options for hybrid applications
MSS Carbon Steel Buffer Vessels
- 300 – 5,000 litre capacity
- Rated for 6 to 10 bar working pressure
- Rated for temperatures up to 95°C
Applications and Benefits of Commercial Hot Water Cylinders
Commercial cylinders are a critical component in any specialist hot water system where storage capacity, recovery rate, and system resilience are essential. In hotels, leisure centres, healthcare facilities, and education buildings, a correctly sized cylinder ensures that large volumes of hot water are always available without overloading the primary heat source.
Our cylinders can be integrated into commercial hot water systems as either primary storage or as part of a hybrid arrangement, working alongside renewables and traditional heating plant. This flexibility allows system designers to incorporate technologies such as solar thermal collectors or air source heat pumps without compromising supply reliability.
Indirect designs keep the heating fluid separate from the stored water, enabling heat to be transferred from alternative energy sources, while unvented cylinders provide mains pressure performance for consistent hot water delivery. With bespoke application design, supply and commissioning, and full technical support, Adveco ensures every installation meets the highest standards of safety, efficiency, and compliance.
By investing in a high-quality commercial cylinder, you can achieve lower running costs, improved system efficiency, and a future-ready platform for low-carbon heating.
Frequently asked questions
What is the difference between a calorifier and a hot water cylinder?
A calorifier is a type of hot water cylinder that uses an indirect heat source, such as a boiler or heat pump, to heat water via a coil or heat exchanger.
What size commercial hot water cylinder do I need?
The size depends on your peak demand, recovery rate, and available plant room space — our team can provide a tailored specification.
Can I integrate a commercial cylinder with renewable energy systems?
Yes — cylinders can work with solar thermal panels, air source heat pumps, and other low-carbon technologies.
What is an unvented cylinder and why use one?
An unvented cylinder connects directly to the mains, delivering high water pressure without the need for a cold-water storage tank.
Do commercial cylinders need regular maintenance?
Annual servicing is recommended to ensure safe operation, maintain efficiency, and extend lifespan.
