The importance of correctly installing an air source heat pump
It is now five months since we purchased a high-spec new build property that is heated by a Grant Aerona 3, 10.5kW air source heat pump system, and you can...
How to train your enthalpy
Enthalpy is a term used in thermodynamics and is a measure of the internal energy plus the pressure times of the volume of a system: H = E + PV....
Grant Aerona 3
Our Grant Aerona 3 air to water heat pump is rated at 9.1kWh output with a COP of 2.66 (water at 55C, air at 7C). It uses R410A refrigerant and...
Bruised coil on the heat pump. Does it matter?
Coils on air source heat pumps are delicate things. They are made from Coca-Cola can thin sheets of aluminium with copper tubes running through them. I have been lucky enough...
The European Heat Pump Association tells us about the future of the industry
We recently caught up with Thomas Nowak, Secretary General, European Heat Pump Association to find out how the heat pump market and industry is evolving on the continent....
Going Green in Suffolk
We’re almost old-timers amongst PV (photovoltaic) users, as we used to live in a zero carbon house in Kent that had a 4kW PV array, but no storage, and we...
Giv-Bat 5.2
GivEnergy is a British-owned company that’s trying to be a little greener than most by utilising environmentally-friendly LiFePO4 technology and facilitating time-of-use tariffs, such as Octopus Agile. The warranty GivEnergy...
A successful DIY air source heat pump
We bought our house in Suffolk in 2007, which started life as a chicken farm, so the main attraction for me was a shed bigger than the house to keep...
Tesla Powerwall
Before I get into my Tesla Powerwall review, I’d like to share a bit of my background. As a young and middle-aged man I was not overly conscious about the...
Eve Thermo smart TRVs
In 2019, when we moved into our home, we replaced all the “old school” thermostatic valves (TRVs) with Eve Thermo smart TRVs. For us, it didn’t make sense that we...
