The old radiators are the cast iron radiators which are considered to give sufficient heat. It can be true according to a certain level. However, it might be time to replace your old radiators after years of corrosion and rust. With technological innovations, radiators have become more modern, efficient and economical. So, old radiators become less efficient than the new ones. So, Let’s have a look at some points like why the old radiators are less efficient than the new ones. Here are some issues.1) If it is time for an upgrade or updates your radiator...The innovations in technology are changing the radiators day by day. With a new improvement in technology, your radiators will have many capabilities such as a thermostatic radiator, which can control the temperature of a room by changing the flow of hot water to the radiator as you wish. For that reason, there are many varieties of shapes, sizes of radiators, with different heat output capacities. So, consumers might tend to replace their old radiators with new ones. In addition to this, the boiler and pipework of old radiators should be controlled by a specialist if you want efficient heat for your home. So increasing repair costs will occur for the customers.2) Rust, corrosion, sludge over timeAs you know the old radiators can have rust or sludge inside because the water runs through the pipework and over time it can cause some rust or sludge through the heating system. So, old radiators need repair or replacement with a new one. Old radiators can not give sufficient heat as time passes and after years, this rust, sludge or corrosion prevents the radiator from working at a full capacity.3) The importance of a central heating systemWhy is the central heating system significant for old radiators? As you know old radiators generally connect to a central heating system and can not work independently without it. So the radiators give you insufficient heat. But a new radiator can solve your heating problem even if you do not have a central heating system.4) From an economic point of viewNew radiators have many features with the many contributions of technology. It means that they give much more energy than old radiators. Because these features make it easier for you to warm up better like the usage of the thermostatic element. So your heating bills may be more appropriate to your budget. This is also important to think of changing your upgrading your radiator and enhancing the beauty and value of your home. Bear in mind that you should know whether your boiler can deal with the new system.5) The efficiency of modern radiatorsThese radiators can work up to 50%more efficient than their previous counterparts with technological innovations. So the result will show itself on the energy bills.Photo: Maria Orlova - PexelsHOW CAN WE MAKE OUR OLD RADIATORS MORE EFFICIENT?Of course, if we have an old radiator in our house we have to upgrade its performance. What should we do about it?Here are our suggestions.1. A general rule is getting the radiators serviced at least once a year. This will increase your radiator’s efficiency work. You should get rid of sludge, rust that is collected on the pipework or boiler of the heating system.2. To enhance its efficiency, you should clean the dust over the radiator. Because the collected dust prevents the radiator from working efficiently and giving sufficient heat for your home.3. Add some elements to your radiators like the control of the temperature. It will help the radiators give better performance.In summary, we can say that old radiators are made of cast iron that is durable according to a certain level and these old radiators provide warmth. But the customers may encounter many problems unless it is checked periodically and the problems are resolved. Furthermore, new radiators which have more efficient heat output, replace the old ones because of the new developments of technology.