Design & Control Strategy

Based on our extensive experience of installations with diverse and unusual requirements, we recommend close attention to these elements to achieve good outcomes.
  • Water Temperature – typically 35°C to 55°C for underfloor heating systems, with a difference of 5°C to 20°C between flow and return. With a mixing manifold, low pressure supply water may be up to 82°C.
  • Individual Room Temperature Control – Avoids conflicts.
  • Night Setback of 4°C – ensures responsiveness and fabric preservation.
  • Zone Control – to ensure that timings suit the usage pattern, which may differ zone-to-zone.
  • Supplementary Heating – may be necessary where there are floor space constraints or unusually high levels of demand; may form part of the installation.
  • Ventilation – forced ventilation systems should incorporate recovery or make-up air heating to avoid exceeding the designed demand for the underfloor heating system. Other ventilation such as open internal doorways requires careful consideration
  • Layout of Heating Pipework – care must be taken to avoid hot spots which may damage floor conditions, and vary the water temperature to suit.
  • Solar Gain –South facing windows will lower the demand in their vicinity.
  • Floor Finishes and Coverings – these have a major impact on the output available from a given system.
These are the more common aspects for consideration but each installation is unique and our extensive experience will be used to find the best solutions for each project.
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