Where can I find Heat pumps in Helgoland?

Heat pumps can also be found in these cities:

Bochum Castrop-Rauxel Dortmund Gevelsberg Hagen Hattingen Herne Kamen Lünen Nachrodt-Wiblingwerde Recklinghausen Schwerte Sprockhövel Werne Witten Wuppertal

You can also find this in Helgoland:

Battery Vacuum Cleaner Bathtub Folding Wall Building Supplies Bitumen Office Lighting Wire Fence Small Electrical Appliances Tile Varnish Garden Furniture Cushions Grilled Food