Low Cost Commercial Cylinders and Buffer Vessels

Take the hassle out of purchasing commercial cylinders with our fresh, streamlined process designed specifically for U.K. Building Design Consultants and M&E Contractors.

Receive a SAME DAY price on your equal or approved calorifiers and buffer vessels with

FREE advice from qualified experts


Commercial Cylinders Direct supply calorifiers and buffer vessels in sizes from 500 – 5000 litres in stainless steel and mild steel for your U.K. new builds or retrofit projects.


Approved and Affordable Commercial Cylinders

Save Money

Commercial Cylinders Direct work with contractors and consultants to supply quality commercial thermal stores within their project budgets

View Commercial Cylinders

Cylinders Tailored to Your Requirements

Bespoke designs

Optimise your commercial hot water stores to meet exact pipework requirements with our straightforward, bespoke design service

Free Advice from Qualified Engineers

Expert Advice

Unsure which commercial hot water cylinder or buffer vessel meets your project specification? Our team provides free, expert advice.

About Commercial Cylinders Direct


Commercial Cylinders Direct is the result of over 20 years’ experience in providing expert advice and support in the commercial heating and renewable energy business.  With an in-depth understanding of the time constraints and budget pressures of the industry, Commercial Cylinders Direct set out to provide contractors with a streamlined process for sourcing high quality, low cost commercial hot water cylinders. Through strong partnerships with top brand manufacturers, Commercial Cylinders Direct deliver expert advice and supply approved commercial thermal stores that meet the timescales and budgets of your new build and retrofit projects.

Questions about our products and services? Find an answer in our frequently asked questions