If you've noticed cold spots on your radiator, it's likely due to sludge build-up, and if left untreated, it can reduce heating efficiency and spike your energy bills ...
If your radiators aren't working as well as they used to and have cold spots, they may need to be bled to improve heating ...
If you've noticed cold spots on your radiator, it's a clear sign that something's not right with your central heating system ...
Poor insulation has a similar effect. If your home lacks adequate loft, wall or floor insulation, it can lose heat quickly, ...
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Cold radiators will heat up fast with easy 10-minute job you can do yourself
This is well worth a few minutes of your time.
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