Energiasääst on tänapäeval üha olulisem. Taastuvenergia kasutamine hoonete juures on paljudes riikides juba tavapäraseks muutunud.

Photovoltaics

ET 252 Solar cell measurements

ET 250 Solar module measurements

ET 250.02 Stand-alone operation of photovoltaic modules

ET 250.01 Photovoltaic in grid-connected operation

ET 256 Cooling with solar electricity

Solar thermal energy

HL 320.03 Flat collector

HL 313 Domestic water heating with flat collector

HL 314 Domestic water heating with tube collector

HL 320.05 Central storage module with controller

ET 202 Principles of solar thermal energy

HL 320.04 Evacuated tube collector

Shallow geothermal energy

ET 262 Geothermal probe with heat pipe principle

ET 264 Geothermal energy with two-well system

HL 320.07 Underfloor heating / geothermal energy absorber

Energy efficiency in building services

HL 320.01 Heat pump

HL 320.02 Conventional heating

HL 320.03 Flat collector

HL 320.04 Evacuated tube collector

HL 320.05 Central storage module with controller

HL 320.07 Underfloor heating / geothermal energy absorber

HL 320.08 Fan heater / air heat exchanger

Heat pumps

ET 102 Heat pump

ET 405 Heat pump for cooling and heating operation

HL 320.01 Heat pump

Ice store

ET 420 Ice stores in refrigeration