The word "underfloor" refers to something located or happening beneath the floor or ground, usually referring to a system or space underneath the floor surface. Full definition
U-value: 0.13 Windows: Triple - glazed, aluclad timber by True Windows, overall U-value of 0.92 Heating system: Mitsubishi Eco Ecodan Monobloc air source heat pump with a COP of 4.18 (assuming an air input temperature of 7C and water output of 35C) running with underfloor heating with stats in every room. (passivehouseplus.ie)
For extra warmth, Karndean is easily used with underfloor heating systems. (karndean.com)
The building work took around 10 months and included the installation of underfloor heating throughout the four - bedroom property and the addition of concealed solar panels on the roof to help keep fuel bills low. (idealhome.co.uk)