DHW (measure)

/DHW (measure)

1.3.13 Installation of thermostatic taps

1.3.13 Installation of thermostatic taps Description Thermostatic taps are taps able to mix the water to a desired temperature, and it can keep it constant for a greater comfort of the user. Benefits Comfort Energy and water saving (up to 10-15%) High security Calibration [...]

2018-01-19T12:25:16+00:00

1.3.15 Limit shower length to 5–7 minutes

1.3.15 Limit shower length to 5–7 minutes Description Using an average number of 8 litres per minute from a typical shower head, by reducing your shower length by 4 minutes per day would save 14000 litres per year. In addition to save water, you also save the energy required to heat water [...]

2018-01-19T12:28:10+00:00

1.3.17 Disconnect the DHW tank in case it is not working for more than three days

1.3.17 Disconnect the DHW tank in case it is not working for more than three days Description It is recommended to disconnect the DHW tank in case it is not going be used for more than three days. Benefits Energy savings Limitations Occupant [...]

2018-01-19T12:29:23+00:00

2.3.1 Substitution of instant system for accumulation system

2.3.1 Substitution of instant system for accumulation system Description The instant systems heat water as demanded, so a lot of energy and water are wasted until water reaches the energy consumption end point at the required temperature and besides the continuous on and off significantly increase energy consumption. Its replacement by a [...]

2018-01-24T08:33:00+00:00

2.3.2 Installation of a hot water return circuit

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 [...]

2018-01-25T12:35:41+00:00

2.3.3 Installation of a heat recovery in the condensers of the air conditioning system

2.3.3 Installation of a heat recovery in the condensers of the air conditioning system Description In the cooling systems, the heat produced by the condenser can be reused through heat exchangers for the DHW production. This exploitation can be not only a significant energy saving for the production of DHW, but also [...]

2018-01-24T08:34:19+00:00

2.3.4 Installation of a CO2 heat pump

2.3.4 Installation of a CO2 heat pump Description The CO2 heat pump is a recently developed and more efficient alternative than traditional systems to produce DHW. The CO2 heat pump technology is capable of producing up to 4 kW of thermal energy from 1kW of power supply (from electricity), while a conventional [...]

2018-01-24T08:35:50+00:00

2.3.5 Change from an individual to a collective DHW system

2.3.5 Change from an individual to a collective DHW system Description This measure consists in substituting each individual DHW system in a residential building by a sole collective system which supplies DHW to all the dwellings. Benefits The power required to supply DHW is considerably lower than [...]

2018-01-24T08:36:13+00:00

2.3.6 Installation of Drain Water Heat Recovery (DWHR) systems

2.3.6 Installation of Drain Water Heat Recovery (DWHR) systems Description Drain water heat recovery units consist of coiled tubes wrapped around drain pipes that capture heat from waste water as it leaves the building. They then return the heat to the hot water system, reducing the energy required to provide hot water [...]

2018-01-24T08:36:35+00:00

2.3.7 Replace existing DHW system with heat pump water heaters

2.3.7 Replace existing DHW system with heat pump water heaters Description Heat pump water heaters need to be installed in applications where the cold air discharged from the evaporator can be exhausted from the space or used to cool the facility (well suited for hot climates). Benefits [...]

2018-01-24T08:36:56+00:00