Walter en Sam Gregoir bvba - Vitocal 222-G , Geothermische warmtepomp met ingebouwde boiler in combinatie met natural cooling. Productfiche warmtepomp : http://www.viessmann.be/nl/Woning/Warmtepompen/Grond-water-warmtepompen/vitocal-222-g.html ...
VIESSMANN-7835409-Beipack-Montage-AC-Box
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Heating with Ice - Groundbreaking Heating Technology by Viessmann - Stommel Haus UK