Why do you have a buffer vessel with a heat pump?
Do you need a buffer vessel (or buffer tank) with a heat pump. Graham Hendra shares his thoughts on this subject.
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What is delta T (ΔT)?
Graham Hendra explains what the mysterious delta T (ΔT) is when it comes to heat pump systems.
What is seasonal coefficient of performance (SCOP)?
Most heat pump owners are familiar with the term coefficient of performance (COP). Graham Hendra explains the difference between COP and seasonal coefficient of performance
Is a heat pump sized in the same way as a fossil fuel boiler?
There is a lot of confusion about heat pump sizing, especially in relation to existing gas or oil boilers. Graham Hendra explains whether heat pumps
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
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
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
The Graham Hendra Awards
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
Heat pumps for apartment blocks and whiskey distilleries
We sat down and had a fascinating chat that was full of insights with Dave Pearson, Group Sustainable Development Director at Star Refrigeration. Dave tells
