Is a heat pump right for my house?
When I was at college I was awful at maths, and I failed my A levels twice. At fridge college I found it much easier because the teachers were able...
Do air source heat pumps really need glycol?
Monobloc heat pumps are basically just a boiler (or water heater) that lives in the garden – the bit that heats the water is connected by pipes back into the...
Does MCS-accreditation guarantee competent heat pump installations?
Ever since we started writing and posting about air source heat pumps on My Home Farm, I’ve been amazed by how many comments and emails we’ve received from homeowners that...
Stelrad Compact K3 Radiators
We have an 18kW air source heat pump, and over the course of the last two winters, we’ve experienced some rooms not coming to temperature when outside temperatures have dropped...
Advancements and heat pump developments
We recently had the opportunity to interview the team at Vaillant and they share their thoughts about the air source heat pump market in the UK....
Four reasons not to cool your house using a heat pump
Air source heat pumps are clever little things. Not only can they heat your house, but did you know that they can also cool? In any refrigeration system reversing from...
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...