Will I still need to use radiators? Date: May 26, 2016 - 11:14 pm Vote Up 0 Vote Down Answered Public Underfloor Heating Central Heating NZ asked May 26, 2016 1 answer Vote Up 0 Vote Down Public Central Heating NZ ⋅ Staff ⋅ May 26, 2016 Radiators are optional but desirable in multi level situations. #1 Please login or Register to Submit Answer