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frocolonia29 Mar 2023 13:46Hello everyone,
In our house (built in 1976, fully renovated, about 450 sqm (4,844 sq ft) underfloor heating, located in NRW), we want to replace the old oil boiler with a ground source heat pump using deep drilling. The heating load was calculated at 17 kW, while the thermal simulation from Ubakus is somewhat lower at just under 14 kW.
The house includes an indoor pool, which is heated by a separate pool heat pump, but theoretically could also absorb excess energy from the ground source heat pump during winter if that makes sense.
I am actually leaning towards a modulating heat pump, partly because of the existing photovoltaic system. In this capacity range, I have found the Nibe S1155 (4–16 kW) and iDM Terra (6–17 kW), but there are certainly other or maybe better options?
How would you approach this? What would you pay attention to?
I want to be as well prepared as possible when meeting our heating engineer... any tips are greatly appreciated!
Thanks and best regards,
Frank
In our house (built in 1976, fully renovated, about 450 sqm (4,844 sq ft) underfloor heating, located in NRW), we want to replace the old oil boiler with a ground source heat pump using deep drilling. The heating load was calculated at 17 kW, while the thermal simulation from Ubakus is somewhat lower at just under 14 kW.
The house includes an indoor pool, which is heated by a separate pool heat pump, but theoretically could also absorb excess energy from the ground source heat pump during winter if that makes sense.
I am actually leaning towards a modulating heat pump, partly because of the existing photovoltaic system. In this capacity range, I have found the Nibe S1155 (4–16 kW) and iDM Terra (6–17 kW), but there are certainly other or maybe better options?
How would you approach this? What would you pay attention to?
I want to be as well prepared as possible when meeting our heating engineer... any tips are greatly appreciated!
Thanks and best regards,
Frank
Welcome to the forum,
an important factor is the modulating heat pump; the lower the minimum output, the better.
Otherwise, rule number one applies:
don’t force the heating technician to work with a device or manufacturer he’s not familiar with.
He knows his equipment, has installed it many times, and even more importantly, he can carry out maintenance and repairs on short notice.
Negotiate whether he will include the internet module for free.
an important factor is the modulating heat pump; the lower the minimum output, the better.
Otherwise, rule number one applies:
don’t force the heating technician to work with a device or manufacturer he’s not familiar with.
He knows his equipment, has installed it many times, and even more importantly, he can carry out maintenance and repairs on short notice.
Negotiate whether he will include the internet module for free.
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