Superiority of story height: The overall completed surface of A is increased by about 30mm, which greatly enhances the sense of space. The thickness of the overall finished surface of B is increased by 60-80mm, which has a great influence on the story height.
Building load: A there is no cement backfill layer, which will not increase the building load; B the thickness of cement backfill layer increases the building load (100- 120kg/m2).
Heating speed: the first heating time is fast, the time is about 30-40 minutes; B the heating time is about 4 hours, which is relatively inert.
Energy saving and emission reduction: A can generate the same amount of heat at the water temperature of 40-45℃, saving about 40% fuel cost compared with wet paving; B The water temperature is about 45-65℃, but the overall heat dissipation is balanced.
Duration: A site is paved quickly and does not need maintenance. Generally, the B process can be completed in one day and the construction can be completed in two days, plus the concrete curing period is more than 7 days.
After-sales maintenance: A leakage is easy to detect and maintain; Concealed works are difficult to detect and maintain.
Retail price: A200-230 yuan /m2 B 120- 150 yuan /m2.
Assembly rate: A has a high degree of prefabrication, conforms to the national evaluation standard of prefabricated buildings, and can realize dry construction and pipeline separation, and scores two points; B has no score in the evaluation standard of prefabricated buildings.
Standardization: A standardized module, with high site construction quality, and B non-standardized. There are a lot of uncertainties in site construction, which is far from the design.
Intelligent temperature control: A can realize intelligent temperature control in different areas; It is difficult for the whole house coil to realize intelligent temperature control in different zones.
Utilization rate: short development time, low popularity, only 20% utilization rate; B Long development time, mature technology and 80% utilization rate.