Underfloor heating systems can experience issues that may cause them to stop working or perform inefficiently. If your underfloor heating system is not working, here are some common reasons and troubleshooting steps you can take:

  1. Electrical Issues (Electric Systems):
  • Check that the system is receiving power. Make sure the circuit breaker or fuse associated with the underfloor heating system is not tripped or blown.
  • Inspect the thermostat settings and ensure they are correctly configured for your desired temperature.
  1. Water Flow Issues (Water-Based Systems):
  • If you have a water-based (hydronic) system, check if the water pump is operating properly. Listen for any unusual sounds or vibrations.
  • Inspect the water pressure in the system. Low water pressure can lead to reduced heating efficiency.
  1. Thermostat Settings:
  • Make sure the thermostat is set to the correct temperature and heating mode.
  • Check if the thermostat batteries (if applicable) are functional.
  1. Airlocks (Water-Based Systems):
  • Airlocks in the pipes can block the flow of water, leading to reduced heating. Bleed the system to release any trapped air.
  1. Insulation Issues:
  • Inadequate insulation beneath the heating elements can result in heat loss, reducing the system’s efficiency.
  1. Damaged Components:
  • Inspect the heating cables or pipes for any visible damage. Damaged components might need repair or replacement.
  1. Control System Malfunction:
  • If you have a control system for zoning or scheduling, ensure that it’s programmed correctly and functioning as intended.
  1. Cold Floors during Heat-Up Time:
  • Remember that underfloor heating systems have a slower heat-up time compared to forced-air systems. It might take a while for the floor to reach the desired temperature.
  1. Manufacturer Guidelines:
  • Check the manufacturer’s guidelines and user manual for troubleshooting steps specific to your underfloor heating system.
  1. Professional Assistance:
  • If you’ve tried the above steps and the issue persists, it’s advisable to seek professional help. Consult an experienced technician who specializes in underfloor heating systems.

Remember that underfloor heating systems are complex and might require specialized knowledge to diagnose and resolve issues effectively. If you’re unsure about troubleshooting or repairing the system yourself, it’s best to consult professionals who are experienced with underfloor heating installations and maintenance. They can identify the root cause of the problem and provide the necessary repairs to get your system up and running again.


Contact us