Initial Situation

The building was equipped with an oversized district heating system, which led to high fixed costs. A lack of hydraulic balancing and inefficient control resulted in unnecessarily high peak outputs, energy losses, and uneven heat distribution, causing overheating in many apartments.

Objective

The project aimed to reduce district heating consumption and operating costs through more efficient heating control. A dynamic hydraulic balancing ensures even heat distribution and prevents overheating. Additionally, the system is being prepared for future sustainable heating technologies.

• Energy savings: Reduction of district heating consumption and lowering of operating costs

• Even heat distribution: Dynamic hydraulic balancing to avoid overheating

• Future-proofing: Optimization as preparation for sustainable heating technologies

Measures in Detail

• Dynamic Hydraulic Balancing

  • Installation of smart control valves with intelligent control to optimize heat distribution and reduce energy consumption.

• Optimization of Heating Curves

  • Lowering system temperatures to minimize energy losses and avoid overheating in individual apartments.

• Consumption Monitoring

  • Continuous analysis of peak loads to reduce power costs and improve the efficiency of the system in the long term.

Results & Savings

• Optimized Heating Center: Dynamic hydraulic balancing of the heating system

• Reduction of System Temperatures & Savings: Adjustment of the heating curve to avoid overheating and lowering of the supply temperature. Expected energy savings: ~25% compared to previous years.

• Return on Investment for the Wohnio Solution (after funding): Expected 1.8 years.

• Expected CO₂ Savings: ~21 tons annually.

Role Model Character & Outlook

This project demonstrated how the energy consumption of a district heating system could be optimized through intelligent control and hydraulic balancing – without significant structural interventions. The results serve as a blueprint for other existing buildings.

In the future, the measures are to be applied to other properties. By means of digital monitoring, savings potentials are continuously identified to make heat supply sustainably more efficient in the long run.