Are Ground Source Heat Pumps dangerous?
There are no hazardous gas emissions, no flammable oil, LPG or gas pipes, no flue or chimney and no unsightly fuel tanks. ground source heat pump systems have absolutely NO site emissions. There is, therefore, no need for safety checks.
Are Ground Source Heat Pumps noisy?
No, a ground source heat pump makes less noise than a gas boiler, and very much less than an air source heat pump which drives a fan to extract heat from ambient air.
What about servicing and maintenance?
As with any valuable plant a ground source system should be covered by an annual maintenance agreement with the supplier. However, routine maintenace requirements are very low. A ground source heat pump can be expected to last over 20 years – longer than a combustion boiler – and the ground heat exchanger should have a life of over 100 years.
Ground source systems are automated. Because they come with low maintenance, low running costs, low noise and are out of sight, they are often referred to as "invisible heating systems".
How do running costs compare with conventional alternatives?
In a modern, well insulated house, a ground source heat pump can offer very high efficiency and low running costs. An oil-fired boilers cost considerably more to run, and electric heating is at least three times as expensive. Modern condensing gas boilers are more expensive to run at current gas prices, and gas prices are set to rise. Also, all fossil fuel boilers need regular servicing to maintain efficiency and check safety.
What are the costs?
The initial purchase costs of a ground source heat pump system are more than a conventional oil or gas fired boiler. The initial capital expense is offset by lower running costs, lower maintenance and low servicing requirement. There is also the security of knowledge that the majority of your heating and cooling energy comes out of your ground, is under your control and will not increase in price.
Be careful to avoid judging an installation on price alone. It is more important to ensure you have a well designed system if your aim is to save money over the life of the installation.
Is Planning Permission required to install a ground source heat pump?
No, a ground source heat pump installation is invisible, makes less noise than a gas boiler and issues no gases of any kind on-site: there is nothing for anyone to object to.
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