The Knowledge

A miscellaneous collection of heating related theory and calculations, an objective view of the use and misuse of types of technology, water treatment and much much more.




May 15, 2020

Balancing Heating Systems - The Ultimate guide

Are automatic balancing trv's worth the extra money?

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May 14, 2020

How to test and set your pump speed

how do we measure and work out the flow rate we need around a system? This article is supplementary to […]

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May 13, 2020

What you don't know about lockshield valves!?

This article is supplementary to the ultimate guide to balancing, please also check that out! Many lockshield valves have poor […]

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May 12, 2020

Do we really need DT20?

The falsehood of DT20 This article is supplementary to the ultimate guide to balancing, please also check that out! There […]

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May 12, 2020

Understanding pressure and flow

This article is supplementary to the Ultimate balancing article, check it out! rules of the pump! This states the relationship […]

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May 12, 2020

Does Balancing Increase Boiler efficiency?

It is widely believed that balancing a heating system increases boiler efficiency by reducing the boiler return temperature and increasing […]

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March 9, 2020

The Heat Geek Range Rating Method

Range rating heating appliances can help reduce boiler cycling, keep the appliance cooler, more efficient and generally prolonging its life.  If you […]

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October 23, 2019

Low loss Headers, the complete guide!

What is a low loss header? A large tube of empty pipe. end. No seriously, low loss headers aren't complicated […]

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November 16, 2018

Condensing theory - How do condensing boilers add efficiency?

How to maximise domestic condensing boiler efficiency? To maximise the efficiency of your domestic condensing boiler is very simple, turn […]

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November 16, 2018

What is thermal mass

Thermal mass is the capacity a material has to absorb, store and release heat, it is directly linked to the […]

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