It can be frustrating to find that a radiator isn't heating properly, especially in winter. If your radiator is hot at the top and cold at the bottom, it's not working efficiently and is potentially wasting your energy. Fortunately, this common problem has well-identified causes and can often be resolved quickly without the need for a professional.
1. Understanding the Source of the Problem
a. Air Trapped in the Heating System
The most common malfunction stems from the presence of air in the system. Air bubbles can become trapped in the upper part of the radiator, preventing hot water from circulating properly. As a result, the heat isn't distributed evenly, and only the top of the radiator heats up.
b. Sludge or Deposits
In other cases, sludge deposits (residue from corrosion or impurities) accumulate at the bottom of the radiator. These sediments act as a thermal barrier and impede the circulation of hot water, which cools the lower part.
2. How to solve the problem effectively?
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