High Output vs Standard Output In-Screed Kits
The key difference between high output and standard output underfloor heating screed kits is the pipe spacing, which directly affects heat output and system performance.
High output systems use 150mm pipe centres, allowing for increased heat output and efficient operation at lower water temperatures. This makes them suitable for air source heat pump (ASHP) systems, lower energy consumption, and rooms with higher heat demand such as extensions, large glazed areas, or less insulated spaces.
Standard output systems use 200mm pipe centres, providing a more economical solution for well-insulated properties where heat demand is lower. These systems are commonly used with gas boilers and are suitable for typical domestic applications where steady background heating is required.
Both systems are installed within a screed layer, ensuring even heat distribution across the floor. Choosing between them depends on insulation levels, heat loss calculations, and the type of heat source being used.
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