Choose floor heating, don't just look at the pipeline, auxiliary materials and construction technology are also very important, such as high density and low water absorption extruded board, preferably white and tasteless (proved to be raw materials). The reflective film should be made of aluminum foil, and the other is plastic paper, which will decompose quickly if it is backfilled by floor heating. Secondly, the standardization and responsibility of workers' construction. Need to choose a large HVAC company with a physical storefront, which is guaranteed.