2.3.2 Installation of a hot water return circuit
Description
An action that can be carried out to improve the efficiency of the DHW system consists in installing a hot water return circuit in the distribution network.
Benefits
Maintain the circuit water warm reducing significantly the losses of water and energy
Limitations
Only for collective installations
Economic assessment
Energy savings will vary, depending on the design of the plumbing system, method of control and operation, and homeowner use. The system is easily installed and costs less than 400€.
References and best practices
Domestic hot water recirculation systems application, selection & installation guide: www.taco-hvac.com/uploads/FileLibrary/100-41.pdf
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CHARACTERIZATION
Environment or playable world:
Residential
Academic
Offices
All
Carried out by:
Public building users
Owners
Operators
All
Reduce consumption of:
Heating
Cooling
DHW
Lighting
Electric devices
Type of driver:
Physical environmental
Contextual
Psychological
Physiological
Social
Time framework:
- Short term
- Long term
Type of measure:
- Envelope
- HVAC
- DHW
- Lighting
- Electrical devices
- Other
