At some point you will need to choose a new heating system for your house or apartment, and although it may seem like a difficult job you can make the task much easier simply by following a few simple rules.
The first thing to think about is how big your house or apartment actually is. Many people will usually try to fit the biggest heating system or the most powerful heating system that they can afford, but in the case of a fairly compact apartment you may be able to save yourself some money by purchasing a fairly economical system because you simply will not need much power at all. On the other hand if the house is quite big you will need to err on the side of caution and get something which may be a little bit too powerful because the last thing you want is to have a cold house in the middle of winter.
Something that many people do not consider is how warm they actually need to be. Many people believe that the need to heat the house to about 20 or 22 degrees C, but for many people this can be too warm, and it is a fact that an ambient temperature can be from 15 degrees C to 18 degrees C, even in the middle of winter. In this case a fairly simple heating system may be exactly what you need.
The final thing that you need to bear in mind is whether or not you need a heating system which will give you heating and hot water as well. A system which is made simply to heat the rooms will not need to be as powerful as one which is made to give you hot water as well. Some systems may have a separate boiler for the central heating, and a different system for supplying hot water, and in this case you need to look at which is the cheapest choice.