31/05/2026
Why Is Your Radiator Still Cold?
If your heating is on but your radiator stays cold, your system could need attention.
Possible causes:
• Air trapped inside
• Sludge buildup
• Circulation problems
A poorly performing radiator can make your boiler work harder and increase energy costs.
DMK Plumbing and Heating provides heating and radiator repairs across Cardiff to keep your home warm and efficient.
Visit emergencyboilerrepaircardiff.co.uk