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Benefits of an extra horizontal loop for GSHP

 
Grounds Source Heat Pump (GSHPs)
Last Post by thewiseoldbird 24 hours ago
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 thewiseoldbird
(@thewiseoldbird)
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Joined: 6 months ago
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Topic starter 22/07/2025 6:24 pm  

Hello everyone,

 

We're in the process of installing the horizontal coils for our GSHP. There is enough space in the field we are using to dig an extra trench and the manifold has the capacity to have an extra coil.  Obviously there's an extra cost for the slinky etc but we do have the people on site to do this and they are getting faster as we do more in the field (especially now we've found a water pipe running across our land to another property) but is it worth doing? My gut feeling is that it will improve the efficiency of the system but it's only once its all in and we've done a couple of years that we'll know if it was worth doing. GSHP is new for us and our builder who is nervous to do anything other than follow what Alto (the supplier) is specifying. We're on the top of the Chilterns and temperatures are always 2 deg C lower than surrounding areas. Any suggestions would be very gratefully received! TIA  


   
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