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(11)

EP 2 225 526 A1

(12)

(43) Date of publication: 08.09.2010 Bulletin 2010/36 (21) Application number: 08853479.7 (22) Date of filing: 28.11.2008

(51) International Patent Classification (IPC):  F28D 20/00(2006.01) F24D 11/02(2006.01) C09K 5/06(2006.01) F25B 17/08(2006.01) (86) International application number: PCT/SE2008/000676 (87) International publication number: WO 2009/070091 (04.06.2009 Gazette 2009/23)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 29.11.2007 SE 0702649 (71) Applicant: Climatewell AB (publ) 126 53 Hägersten (SE)	(72) Inventors: BOLIN, Göran SE-183 30 Täby (SE) THUNMAN, Karin SE-141 48 Huddinge (SE) OLSSON, Ray AX 22240 Hammarland, Aland (FI) (74) Representative: Carlsson, Carl Fredrik Munk  Bergenstråhle & Lindvall AB P.O. Box 17704 118 93 Stockholm 118 93 Stockholm (SE)