Why Underfloor Heating Isn’t Warm Enough

Many households in northern regions opt for underfloor heating during renovations to maintain indoor temperatures during winter within a comfortable range. However, some encounter the issue of underfloor heating not providing sufficient warmth. What could be the reasons behind this?

  1. Lack of Regular Cleaning: Neglecting to clean underfloor heating systems leads to the accumulation of debris and sediment inside the pipes, hindering proper heat distribution. Cleaning the underfloor heating system annually before the heating season begins is crucial to ensure optimal performance.
  2. Air Trapped in Pipes: If you notice that the floor feels cold while the thermostat indicates that the system is running, there may be air trapped in the pipes, preventing the circulation of hot water. Bleeding the air out of the pipes can resolve this issue.
  3. Clogged Filter: The underfloor heating system’s filter may become clogged over time due to the accumulation of impurities in the water, resulting in reduced heat output. Cleaning or replacing the filter can restore the system’s efficiency.
  4. Insufficient Pressure in Pipes: In buildings with multiple floors, underfloor heating systems on higher floors may experience reduced pressure, affecting heat distribution. Installing a circulation pump can help improve heat supply by continuously circulating hot water.
  5. Uneven Distribution of Heating Loops: If only your underfloor heating system is malfunctioning while others in the building are working fine, it may indicate uneven distribution of heating loops during installation. Adjusting the valves on the manifold can help restore uniform heating.

In conclusion, when underfloor heating fails to provide adequate warmth, it’s essential to identify the specific cause and implement the corresponding solution to restore optimal performance.

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