Ultra-Low Temperature District Heating in Apartment Buildings

Energi
The purpose of the development and demonstration project is to develop, demonstrate and promote an energy efficient concept With a domestic hot water (DHW) solution with a storage tank for apartment buildings, according to with DHW is partially heated by means of a heat pump, enabling district heating supply temperatures as low as 35 C°
Project description

ln Denmark, there is a growing interest in low-temperature district heating (LTDH) and ultra-low temperature district heating (ULTDH) with supply temperatures down to 3500. This interest is spurred by the continued strengthening of the Danish building code and the utility companies” energy efficiency obligations.
This project aims to promote the development of LTDH/ULTDH along with all the entailing
benefits. The project is divided into two main phases: 1) Analysis, development and adaptation of the concept, 2) Implementation and demonstration in an apartment building.
The main activities of phase 1 are:
1) Problem description and scoping
2) Analysis of concept and system
3) Assessment of potential
4) Detailed analysis of the selected concept
5) Design
6) lVlidterm evaluation and dissemination
 

The main activities of phase 2 are:
1) Implementation in an apartment building in Louiselund in Hørsholm
2) Tariff structures and technical provisions
3) Demonstration through measurements, tests and verification
4) Final evaluation and dissemination
The project and its results will be presented during the project as well as at the end of the project through a final report, conferences and a seminar for the industry and housing companies. Furthermore, articles will be published in relevant papers.

Key figures

Period:
2015 - 2017
Funding year:
2015
Own financial contribution:
0.94 mio. DKK
Grant:
0.86 mio. DKK
Funding rate:
48 %
Project budget:
1.81 mio. DKK

Participants

GRONTMIJ A/S (Main Responsible)
Partners and economy
Partner Subsidy Auto financing
GRONTMIJ A/S 0,20 mio. DKK 0,31 mio. DKK
I/S NORDFORBRÆNDING 0,59 mio. DKK 0,59 mio. DKK
Hørsholm Almene Boligselskab 0,07 mio. DKK 0,05 mio. DKK

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