DHW

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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 [...]

2017-12-01T08:54:59+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 [...]

2017-12-01T08:45:29+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 the addition of the power [...]

2017-11-29T09:01:07+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 [...]

2017-11-29T08:48:24+00:00

2.2.23 Install small modular boilers

2.2.23 Install small modular boilers Description Modular boilers are designed as an alternative to large single boilers and offer a very efficient approach to tertiary heating.  Each module can be a separate boiler installed alongside another in a horizontal arrangement, or as a vertical stack of boiler modules one above another. [...]

2017-11-28T12:38:03+00:00

2.2.17 Installation of a low temperature boiler

2.2.17 Installation of a low temperature boiler Description The low-temperature boilers get a seasonal performance around 94%, which means about 20% of energy savings compared with a conventional boiler. They allow obtaining water at low temperature, between 35-40°C, with better results of efficiency than conventional, and without generating problems of corrosion. [...]

2017-11-28T12:38:57+00:00