Projects Frost Protection Installation at New Thessaloniki Airport (SKG) Frost Protection installations at ELVAL-HALKOR factory. Air Conditioning - Ceiling Heating - Underfloor Heating at residence. Frost Protection installation at Μunicipal parking area. Underfloor Heating, 420m² at renovation of neoclassical building. Frost Protection at garage ramp. Underfloor Heating at 5-storey building. Underfloor heating in house in Zakynthos.