1.3.3 Adding or repairing DHW distribution systems
Description
It is recommended to properly insulate pipes to limit heat losses, as well as to install the boiler/accumulator as close as possible to the consumption end points to limit the losses that occur through the walls of the pipes. The insulation normally used for pipes where the water circulates are moulds of elastomeric foam and rock wool, and should be installed both on supply and return pipes.
Benefits
A good insulation of the pipes reduces the thermal losses in around 50%
Limitations
Operation and Maintenance (O&M) staff size, skill level, and budget need to be considered
Just applicable for buildings with centralized HVAC system
Economic assessment
Initial investment: low, but it depends on each installation
References and best practices
Heat losses from an insulated pipe: www.sciencedirect.com/science/article/pii/0022247X80902759
Effectiveness of PVC coatings as thermal insulation for domestic hot-water piping: www.sciencedirect.com/science/article/pii/0306261994900663
Image gallery
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
