Commercial heating and hot water knowledge articles
Here you can explore our articles about some of the key topics in commercial heating, hot water, legislation and energy efficiency.
You can use the filter below to find out more about a specific topic.
Primary circuit or boiler shunt pumps in commercial heating
A question we get asked a lot at our CPD seminars is: ‘Which is best - a boiler shunt pump or primary circulation pump?’ There's no correct method, as long as the minimum flow is always maintained. And it will always depend on the project. In this article, we’ll look at the different pump options and their pros and cons.
Hydrogen as a fuel source explained
Hydrogen gas as a low carbon fuel source is currently a hot topic that will continue to be so for the coming decade. We take a look at what Hydrogen is, how it’s produced, and when it may be used to heat our homes and buildings in the future.
Refurb or replace – what to consider when upgrading your commercial heating system
What to consider when you are refurbishing your plant room. Understand your heating and hot water replacement options.
What are expansion vessels for unvented kits?
Understand expansion vessels for unvented kits, for use in an unvented hot water system, including flow jet valves. More about the benefits, including legionella prevention.
What is an Unvented Kit?
Understand unvented hot water systems, closed systems and discover what is included in an unvented kit
How to size a low loss header
Understand how to size a low loss header to maximise efficiency in residential and commercial heating systems
What is a low loss header? And when to use one.
Understand low loss headers and hydraulic separation, when to use a low loss header, and their benefits and disadvantages.
Indirect Hot Water Cylinders and Storage Tanks
What is an indirect water cylinder or tank? Exploring calorifiers and indirect fired hot water cylinders and tanks, their features and benefits.
Direct Hot Water Systems
What is a direct fired hot water system, how does it work and what is it used for? Exploring direct fired water heaters and integral gas or oil burners, and their features and benefits.
How does a calorifier work?
Find out how a calorifier, or indirect fired hot water cylinder, works as part of an indirect fired hot water system.