Essays about: "drain water heat recovery"

Found 4 essays containing the words drain water heat recovery.

  1. 1. A Study of Energy Saving Actions in Older Buildings in Sweden

    University essay from KTH/Industriell ekonomi och organisation (Inst.)

    Author : OSCAR LEFFLER; NASSIF MANSOUR; [2018]
    Keywords : Energy saving technologies; exhaust air heat pump; drain water heat recovery; insulation; geothermal heat pump; photovoltaics; return on investment; energy performance contracting; payback period; climate shell improvement; technical installations; calibration; housing associations; real estate managers; decision making; status quo bias.; Energibesparingsteknik; frånluftsvärmepump; spillvattenvärmeåtervinning; isolering; bergvärmepump; solceller; direktavkastning; energibesparingskontrakt; återbetalningsperiod; klimatskalförbättringar; tekniska installationer; kalibrering; bostadsförening; fastighetsförvaltare beslutsfattning; status quo bias.;

    Abstract : Modern energy saving technologies are become increasingly mature, easier to implement and financially profitable. Both the European Union and the Swedish government have directives with goals regarding energy savings for the year 2020 and 2030. READ MORE

  3. 2. Characterization of greywater heat exchangers and the potential of implementation for energy savings

    University essay from KTH/Installations- och energisystem

    Author : Jose Daniel Garcia; [2016]
    Keywords : Wastewater heat recovery; greywater heat exchanger; domestic hot water; energy savings; energy efficiency; residential households; NZEB; heat transfer modelling; feasibility study; potential of implementation; falling film effect; flow helical coil.;

    Abstract : Buildings account for up to 32% of the total energy use in different countries. Directives from the European Union have pointed out the importance of increasing energy efficiency in buildings. READ MORE

  4. 3. Testing the Heat Transfer of a Drain Water Heat Recovery Heat Exchanger

    University essay from KTH/Energiteknik

    Author : Emma Grundén; Max Grischek; [2016]
    Keywords : ;

    Abstract : This study investigates the change in thermal resistance due to fouling in drain water pipes. As insulation of houses and energy efficiency of appliances improve, the importance of Drain Water Heat Recovery (DWHR) is growing steadily. READ MORE

  5. 4. Drain water heat recovery in a residential building

    University essay from Högskolan i Gävle/Avdelningen för bygg- energi- och miljöteknik

    Author : Asier Gavilán del Amo; Ana Alonso Lopez; [2015]
    Keywords : Drain water heat recovery;

    Abstract : Numerous of energy saving measures have been carried out in the Swedishhousing stock since the energy crisis in the 70’s. Additionally, there have been manylow-energy housing projects. However, so far few of these have been followed up aftersome years in operation concerning the energy use. READ MORE