https://youtu.be/ceRrs7k_n3Y
Another look at where not to use low loss headers (no we won’t let it go) and also that looks can be deceiving when it comes to heat loss. Keep it simple stupid. More on valve authority and opening characteristic here
Get a free, personalised estimate in seconds


Explains the distortion factor in hydraulically separated systems and how mismatched flow rates raise boiler temperatures and reduce condensing efficiency.
Read more
Heat Geek installers react to SkillBuilder's second heat pump video, addressing the claims made and correcting common misconceptions about heat pump performance.
Read more
Energy bills and the crisis explained: Heat Geek founder Adam speaks to BBC News on practical steps UK households can take to cut heating costs.
Read more
The Viessmann Vitodens 200 leads domestic gas boilers with an industry-best 1:19 modulation ratio, running longer and cooler to maximise efficiency and comfort.
Read more
Brand new boilers may be less efficient than their ratings suggest — Heat Geek breaks down real running costs versus headline efficiency figures.
Read more
The science behind whether to leave heating on all day or use timed bursts — the real answer depends on your home, system, and energy tariff.
Read moreJoin thousands of homeowners and installers getting our latest updates, guides, and news on heat pumps.