How can the efficiency of a heat pump exceed 100 percent?
It’s difficult to understand how a heat pump can have an efficiency of over 100%. Graham Hendra explains how heat pumps are able to achieve these efficiencies....
Questions & Answers
What are the risks of oversizing a heat pump?
We know that if a heat pump is undersized, this may mean that it will struggle to heat your property, but what are the risks if a heat pump is...
What is the difference between an EPC certificate and a heat loss calculation?
Graham Hendra explains what the difference is between an EPC certificate and a heat loss calculation....
How does a heat loss calculation help you calculate the size of a heat pump?
Once you’ve had your heat loss calculation completed, how do you decide on the size of heat pump that you will need to adequately heat your property? Graham Hendra explains....
Why are heat pumps better suited to well insulated properties?
We often hear the phrase “fabric first” – Graham Hendra reveals whether heat pumps are better suited to well insulated buildings....
Can a heat pump heat domestic water?
A common question from homeowners looking to switch to an air source heat pump is whether the units can heat domestic hot water for showers, baths and general washing up....
Can you heat any property with an air source heat pump?
Graham Hendra offers his insights into whether an air source heat pump can be used to heat any type of property in the UK. There are solutions where heat pumps...
What is the difference between an air-to-air and an air-to-water heat pump?
There are many different types of heat pumps – Graham Hendra explains the difference between air-to-air and air-to-water heat pumps....
How does an air source heat pump work?
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....
Myths about air source heat pumps
Air source heat pumps (ASHPs) are a brilliant way to make the transition from fossil fuels to green heating – reducing both your carbon footprint and energy bills at the...
