22 May 2008

IEA HPP ANNEX 32: ECONOMICAL HEATING AND COOLING SYSTEMS FOR LOW ENERGY HOUSES


Annex 32 in the Heat Pump Program (HPP) of the International Energy Agency
(IEA) is dedicated to the application of multifunctional, highly-integrated heat pump systems
in low energy houses. Nine countries are co-operating in the Annex 32 to assess and to
foster heat pumping technology for the application in residential low energy houses. The
projected research work comprises prototyping and lab-testing of new heat pump developments,
redesigns of existing units to low energy house requirements, system simulation
including the control as well as field monitoring to optimise systems with regard to energy
consumption, comfort and cost. Expected deliverables of IEA HPP Annex 32 are concluding
design guidelines for the different applications. Moreover, IEA HPP Annex 32 will yield a
documentation of the field-monitored systems as optimised best practice solutions with
additional information on monitoring techniques and operation control concepts. The paper
presents the current state of low energy buildings and respective system technologies with
heat pump application and an overview and interim results of the national research contributions
to IEA HPP Annex 32.