ᐅ Ground-source heat pump with earth collectors located in a groundwater protection zone III

Hello community,

Has anyone here installed a brine heat pump with underground collectors (trenches 3-4 m (10-13 feet) deep) in a water protection area? Is the effort even worthwhile?

grasmücke schrieb:

Hello community,

Has anyone installed a ground-source heat pump with horizontal ground collectors (trenches 3-4m (10-13 feet) deep) in a water protection area? Is the effort really worth it?

I haven’t done it myself, but the general contractor is assessing it, among other factors, based on the soil survey to determine if it makes sense. About three weeks ago, we found out that our property is located in a water protection zone. However, this designation has only existed for two years, so after we bought the land.

It only makes sense if you have a large enough plot. We have about 200 sqm (2,150 sq ft) of space in front of the house. No trees will be planted there either.

Ybias78 schrieb:

Not done, but the general contractor checks it among other things based on the soil report to see if it makes sense. We found out about 3 weeks ago that our plot is located in a protected water catchment area. However, this protection zone has only existed for 2 years, so after we bought the land.

It only makes sense if you have a plot that is large enough. We have about 200 sqm (2,150 sq ft) of space in front of the house. There won’t be any trees planted there either.

So, have you decided to go with the ground-source heat pump after all?
We have enough space. We still need to plant a tree there. But I don’t think it will affect the collectors.

grasmücke schrieb:

So, have you decided to go with the ground source heat pump after all?
We have enough space. We still need to plant a tree there. But I don’t think it will affect the pipes.

We definitely want a ground source water-to-water heat pump if possible. Trees and ground collectors don’t go well together. According to the general contractor, permeable paving stones are also needed. If a ground source water-to-water heat pump makes sense for us, the general contractor might install the collectors along the property boundary. But we will discuss that later.