Type
NTDH
Short description
NTDH utilizing air and ground for heating houses
Location
"Obstanger" area in Herford
Country
Germany
End users
70 detached houses (at the end of the project 200)
Heat source
Ground/Air
Description
Dry cooler (100 kW) and 2 heat pump (each 240 kW) are a central source which preheats brine-water mixture; in every building heat pump to raise temperature
Cooling
Missing info
Heat source-network connection
HP (ground and air)
Booster HP or no for SH
HP
Booster HP, IHEU or DHSU for DHW
HP
TES
Vertical ground HEX (19 boreholes 100 m depth)
Centralized/ Decentralized TES
Centralized
Category
1.3.1.2.1.
Tsupply,min [°C] (network)
10
Tsupply,max [°C] (network)
15
Tsupply,min [°C] (at consumer substation)
35
Tsupply,max [°C] (at consumer substation)
55
SCOP=(reference annual heating demand)/(seasonal electricity consumption for heating) [-]
4.7
Installed capacity [MW]
0.58 (+ each building can install HPs 5 to 20 kW to raise temperature)
Reference 1
https://doi.org/10.1016/j.rser.2018.12.059
Reference 2
https://www.diekaelte.de/sites/default/files/ulmer/file_172029.pdf
