How frequently does a heat pump have to be serviced and maintained?
Graham Hendra tells us how often your heat pump should be serviced.
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How long will a heat pump last?
One of the most common questions about heat pumps is about their lifespan. Graham Hendra reveals how long you can expect your heat pump to
What is the best type of compressor for a heat pump?
Graham Hendra talks about compressors and which types are best suited for heat pumps.
Are air source heat pumps noisy?
One of the biggest issues raised by homeowners is that air source heat pumps are noisy? But are they and what does Graham Hendra think?
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.
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?
Confused about heat pump sizing compared to traditional gas or oil boilers? Graham Hendra clarifies the best approach to correctly size heat pumps for efficient,
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