Articles | Renewable Heating Hub

Why don’t we revise the subsidies to get people off gas?

Graham HendraJan 29, 202212 March 20222

We are all supposed to be moving away from fossil fuels and into renewable sources of energy. That ultimately means we need you to use electricity. Why electricity? Because it’s easy

This is not a throttle

Graham HendraJan 9, 202229 January 20224

We have all been there. You get home and the house is a bit cold. Someone (I’m not pointing any fingers) goes to the thermostat and winds it up to

Does having a heat pump automatically make you green?

Graham HendraJan 3, 20223 January 20220

If you have been watching the news over the last few months you might have noticed that electricity and gas prices have started to soar. Lots of people are panicking,

The Graham Hendra Awards

Graham HendraDec 20, 202120 December 20210

By now, if you’re a regular reader of my posts, you will know I’m a bit of an egomaniac so it won’t surprise you that I thought I would hold

How does an air source heat pump work?

MarsDec 15, 202117 March 20220

Graham Hendra explains, in his unique way, how an air source heat pump works, and how every household in the UK already has a heat pump.

A brief history heat pumps

MarsDec 12, 202128 March 20230

The history of heat pumps can be traced back to the early 1800s, when scientists first began to explore the properties of gases. In 1824, French physicist Sadi Carnot published

When is a kW not a kW?

Graham HendraDec 6, 20216 December 20216

As an industry we don't do very much to convince people that we are not a bunch of liars. If a homeowner wants a heat pump the first hurdle is

Are you being overcharged by your electricity provider?

MarsDec 4, 202117 March 20226

We recently interviewed Jon Fletcher, CEO of Big Clean Switch, and he told us that an astonishing 50% of homeowners in the UK haven't switched electricity providers in years, and

Heating systems are so old fashioned

Graham HendraNov 29, 202129 November 20210

These days I am lucky enough to find myself with plenty of time on my hands to look at things which are not necessarily in the heat pump universe. Last

Thermal stores and heat pumps are a big no-no

Graham HendraNov 23, 202123 November 20211

A thermal store is like a buffer vessel and a hot water cylinder all in one. Imagine a hot water cylinder but with loads of connections on the side. It’s