What type of boiler do i need?

At the end of the day, the best boiler type will vary depending on the size of your home and household and your specific needs. Combi boilers are many buyers’ go-to choice because they’re compact and easy to maintain. With a larger house, though, you might want to consider a system boiler.
In any event, when choosing a boiler, you should consider the following factors:

Keep in mind that different boiler types tend to have different lifespans.
Now that we’ve covered the various types of boilers, we need to discuss boiler sizes.